1,006,220
1,006,220 is a composite number, even.
1,006,220 (one million six thousand two hundred twenty) is an even 7-digit number. It is a composite number with 12 divisors, and factors as 2² × 5 × 50,311. Its proper divisors sum to 1,106,884, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF5A8C.
Interestingness
Properties
- Parity
- Even
- Digit count
- 7
- Digit sum
- 11
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 226,001
- Square (n²)
- 1,012,478,688,400
- Cube (n³)
- 1,018,776,305,841,848,000
- Divisor count
- 12
- σ(n) — sum of divisors
- 2,113,104
- φ(n) — Euler's totient
- 402,480
- Sum of prime factors
- 50,320
Primality
Prime factorization: 2 2 × 5 × 50311
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√1,006,220 = [1003; (9, 1, 1, 32, 2, 1, 3, 6, 3, 3, 1, 1, 1, 1, 1, 400, 1, 1, 1, 1, 1, 3, 3, 6, …)]
Period length 32 — the block in parentheses repeats forever.
Representations
- In words
- one million six thousand two hundred twenty
- Ordinal
- 1006220th
- Binary
- 11110101101010001100
- Octal
- 3655214
- Hexadecimal
- 0xF5A8C
- Base64
- D1qM
- One's complement
- 4,293,961,075 (32-bit)
- Scientific notation
- 1.00622 × 10⁶
- As a duration
- 1,006,220 s = 11 days, 15 hours, 30 minutes, 20 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋 𒌋𒌋
- Egyptian hieroglyphic
- 𓁨𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓎆𓎆
- Chinese
- 一百萬六千二百二十
- Chinese (financial)
- 壹佰萬陸仟貳佰貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1006220, here are decompositions:
- 3 + 1006217 = 1006220
- 31 + 1006189 = 1006220
- 43 + 1006177 = 1006220
- 67 + 1006153 = 1006220
- 73 + 1006147 = 1006220
- 97 + 1006123 = 1006220
- 157 + 1006063 = 1006220
- 199 + 1006021 = 1006220
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.90.140.
- Address
- 0.15.90.140
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.90.140
Unspecified address (0.0.0.0/8) — "this network" placeholder.
This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 1,006,220 and was likely granted around 1911.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.