1,001,680
1,001,680 is a composite number, even.
1,001,680 (one million one thousand six hundred eighty) is an even 7-digit number. It is a composite number with 40 divisors, and factors as 2⁴ × 5 × 19 × 659. Its proper divisors sum to 1,453,520, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF48D0.
Interestingness
Properties
- Parity
- Even
- Digit count
- 7
- Digit sum
- 16
- Digit product
- 0
- Digital root
- 7
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 861,001
- Flips to (rotate 180°)
- 891,001
- Square (n²)
- 1,003,362,822,400
- Cube (n³)
- 1,005,048,471,941,632,000
- Divisor count
- 40
- σ(n) — sum of divisors
- 2,455,200
- φ(n) — Euler's totient
- 379,008
- Sum of prime factors
- 691
Primality
Prime factorization: 2 4 × 5 × 19 × 659
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√1,001,680 = [1000; (1, 5, 4, 4, 3, 2, 1, 8, 1, 7, 3, 3, 1, 5, 3, 5, 1, 15, 1, 2, 2, 1, 7, 1, …)]
Representations
- In words
- one million one thousand six hundred eighty
- Ordinal
- 1001680th
- Binary
- 11110100100011010000
- Octal
- 3644320
- Hexadecimal
- 0xF48D0
- Base64
- D0jQ
- One's complement
- 4,293,965,615 (32-bit)
- Scientific notation
- 1.00168 × 10⁶
- As a duration
- 1,001,680 s = 11 days, 14 hours, 14 minutes, 40 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓁨𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Chinese
- 一百萬一千六百八十
- Chinese (financial)
- 壹佰萬壹仟陸佰捌拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1001680, here are decompositions:
- 11 + 1001669 = 1001680
- 41 + 1001639 = 1001680
- 59 + 1001621 = 1001680
- 131 + 1001549 = 1001680
- 149 + 1001531 = 1001680
- 179 + 1001501 = 1001680
- 233 + 1001447 = 1001680
- 269 + 1001411 = 1001680
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.72.208.
- Address
- 0.15.72.208
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.72.208
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 1,001,680 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°.