1,000,440
1,000,440 is a composite number, even.
1,000,440 (one million four hundred forty) is an even 7-digit number. It is a composite number with 96 divisors, and factors as 2³ × 3² × 5 × 7 × 397. Its proper divisors sum to 2,724,840, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF43F8.
Interestingness
Properties
- Parity
- Even
- Digit count
- 7
- Digit sum
- 9
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 440,001
- Square (n²)
- 1,000,880,193,600
- Cube (n³)
- 1,001,320,580,885,184,000
- Divisor count
- 96
- σ(n) — sum of divisors
- 3,725,280
- φ(n) — Euler's totient
- 228,096
- Sum of prime factors
- 421
Primality
Prime factorization: 2 3 × 3 2 × 5 × 7 × 397
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√1,000,440 = [1000; (4, 1, 1, 4, 1, 15, 1, 2, 2, 11, 2, 2, 3, 1, 3, 2, 2, 11, 2, 2, 1, 15, 1, 4, …)]
Period length 28 — the block in parentheses repeats forever.
Representations
- In words
- one million four hundred forty
- Ordinal
- 1000440th
- Binary
- 11110100001111111000
- Octal
- 3641770
- Hexadecimal
- 0xF43F8
- Base64
- D0P4
- One's complement
- 4,293,966,855 (32-bit)
- Scientific notation
- 1.00044 × 10⁶
- As a duration
- 1,000,440 s = 11 days, 13 hours, 54 minutes
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹 ·
- Egyptian hieroglyphic
- 𓁨𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆
- Chinese
- 一百萬零四百四十
- Chinese (financial)
- 壹佰萬零肆佰肆拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1000440, here are decompositions:
- 11 + 1000429 = 1000440
- 13 + 1000427 = 1000440
- 17 + 1000423 = 1000440
- 31 + 1000409 = 1000440
- 37 + 1000403 = 1000440
- 43 + 1000397 = 1000440
- 47 + 1000393 = 1000440
- 59 + 1000381 = 1000440
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.67.248.
- Address
- 0.15.67.248
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.67.248
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 1,000,440 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°.