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8,742,009

8,742,009 is a composite number, odd.

This number doesn't have a permanent NumberWiki page yet — what you see below is computed live. Pages get added to the permanent index when they're notable (years, primes, curated, etc.).

8,742,009 (eight million seven hundred forty-two thousand nine) is an odd 7-digit number. It is a composite number with 8 divisors, and factors as 3 × 359 × 8,117. Written other ways, in hexadecimal, 0x856479.

Arithmetic Number Cube-Free Deficient Number Odious Number Pernicious Number Sphenic Number Squarefree

Interestingness

Properties

Parity
Odd
Digit count
7
Digit sum
30
Digit product
0
Digital root
3
Palindrome
No
Bit width
24 bits
Reversed
9,002,478
Square (n²)
76,422,721,356,081
Divisor count
8
σ(n) — sum of divisors
11,689,920
φ(n) — Euler's totient
5,811,056
Sum of prime factors
8,479

Primality

Prime factorization: 3 × 359 × 8117

Nearest primes: 8,741,989 (−20) · 8,742,011 (+2)

Divisors & multiples

All divisors (8)
1 · 3 · 359 · 1077 · 8117 · 24351 · 2914003 · 8742009
Aliquot sum (sum of proper divisors): 2,947,911
Factor pairs (a × b = 8,742,009)
1 × 8742009
3 × 2914003
359 × 24351
1077 × 8117
First multiples
8,742,009 · 17,484,018 (double) · 26,226,027 · 34,968,036 · 43,710,045 · 52,452,054 · 61,194,063 · 69,936,072 · 78,678,081 · 87,420,090

Sums & aliquot sequence

As consecutive integers: 4,371,004 + 4,371,005 2,914,002 + 2,914,003 + 2,914,004 1,456,999 + 1,457,000 + 1,457,001 + 1,457,002 + 1,457,003 + 1,457,004 24,172 + 24,173 + … + 24,530
Aliquot sequence: 8,742,009 2,947,911 1,030,329 467,271 304,201 2,951 241 1 0 — terminates at zero

Continued fraction of √n

√8,742,009 = [2956; (1, 2, 4, 1, 2, 15, 2, 1, 2, 4, 9, 2, 4, 2, 5, 2, 1, 1, 56, 3, 1, 3, 10, 7, …)]

Representations

In words
eight million seven hundred forty-two thousand nine
Ordinal
8742009th
Binary
100001010110010001111001
Octal
41262171
Hexadecimal
0x856479
Base64
hWR5
One's complement
4,286,225,286 (32-bit)
Scientific notation
8.742009 × 10⁶
As a duration
8,742,009 s = 101 days, 4 hours, 20 minutes, 9 seconds
In other bases
ternary (3) 121110010210010
quaternary (4) 201112101321
quinary (5) 4214221014
senary (6) 511212133
septenary (7) 134206623
nonary (9) 17403703
undecimal (11) 4a31001
duodecimal (12) 2b17049
tridecimal (13) 1a710b3
tetradecimal (14) 1237c13
pentadecimal (15) b7a359

As an angle

8,742,009° = 24,283 × 360° + 129°
129° ≈ 2.251 rad
Compass bearing: SE (southeast)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒌋 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓁨𓁨𓁨𓁨𓁨𓁨𓁨𓁨𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Chinese
八百七十四萬二千零九
Chinese (financial)
捌佰柒拾肆萬貳仟零玖
In other modern scripts
Eastern Arabic ٨٧٤٢٠٠٩ Devanagari ८७४२००९ Bengali ৮৭৪২০০৯ Tamil ௮௭௪௨௦௦௯ Thai ๘๗๔๒๐๐๙ Tibetan ༨༧༤༢༠༠༩ Khmer ៨៧៤២០០៩ Lao ໘໗໔໒໐໐໙ Burmese ၈၇၄၂၀၀၉

Also seen as

Hex color
#856479
RGB(133, 100, 121)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.133.100.121.

Address
0.133.100.121
Class
reserved
IPv4-mapped IPv6
::ffff:0.133.100.121

Unspecified address (0.0.0.0/8) — "this network" placeholder.

Possible US patent number

This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 8,742,009 and was likely granted around 2014.

Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.

Related reading