1,000,690
1,000,690 is a composite number, even.
1,000,690 (one million six hundred ninety) is an even 7-digit number. It is a composite number with 8 divisors, and factors as 2 × 5 × 100,069. Written other ways, in hexadecimal, 0xF44F2.
Interestingness
Properties
- Parity
- Even
- Digit count
- 7
- Digit sum
- 16
- Digit product
- 0
- Digital root
- 7
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 960,001
- Flips to (rotate 180°)
- 690,001
- Square (n²)
- 1,001,380,476,100
- Cube (n³)
- 1,002,071,428,628,509,000
- Divisor count
- 8
- σ(n) — sum of divisors
- 1,801,260
- φ(n) — Euler's totient
- 400,272
- Sum of prime factors
- 100,076
Primality
Prime factorization: 2 × 5 × 100069
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√1,000,690 = [1000; (2, 1, 8, 1, 9, 1, 1, 1, 2, 1, 2, 17, 1, 4, 1, 1, 2, 11, 9, 2, 16, 16, 2, 9, …)]
Period length 43 — the block in parentheses repeats forever.
Representations
- In words
- one million six hundred ninety
- Ordinal
- 1000690th
- Binary
- 11110100010011110010
- Octal
- 3642362
- Hexadecimal
- 0xF44F2
- Base64
- D0Ty
- One's complement
- 4,293,966,605 (32-bit)
- Scientific notation
- 1.00069 × 10⁶
- As a duration
- 1,000,690 s = 11 days, 13 hours, 58 minutes, 10 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋
- Egyptian hieroglyphic
- 𓁨𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Chinese
- 一百萬零六百九十
- Chinese (financial)
- 壹佰萬零陸佰玖拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1000690, here are decompositions:
- 11 + 1000679 = 1000690
- 23 + 1000667 = 1000690
- 71 + 1000619 = 1000690
- 101 + 1000589 = 1000690
- 113 + 1000577 = 1000690
- 149 + 1000541 = 1000690
- 233 + 1000457 = 1000690
- 263 + 1000427 = 1000690
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.68.242.
- Address
- 0.15.68.242
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.68.242
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 1,000,690 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°.