1,010,990
1,010,990 is a composite number, even.
1,010,990 (one million ten thousand nine hundred ninety) is an even 7-digit number. It is a composite number with 32 divisors, and factors as 2 × 5 × 17 × 19 × 313. Its proper divisors sum to 1,023,730, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF6D2E.
Interestingness
Properties
- Parity
- Even
- Digit count
- 7
- Digit sum
- 20
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 990,101
- Flips to (rotate 180°)
- 660,101
- Recamán's sequence
- a(360,155) = 1,010,990
- Square (n²)
- 1,022,100,780,100
- Cube (n³)
- 1,033,333,667,673,299,000
- Divisor count
- 32
- σ(n) — sum of divisors
- 2,034,720
- φ(n) — Euler's totient
- 359,424
- Sum of prime factors
- 356
Primality
Prime factorization: 2 × 5 × 17 × 19 × 313
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√1,010,990 = [1005; (2, 11, 1, 104, 1, 11, 2, 2010)]
Period length 8 — the block in parentheses repeats forever.
Representations
- In words
- one million ten thousand nine hundred ninety
- Ordinal
- 1010990th
- Binary
- 11110110110100101110
- Octal
- 3666456
- Hexadecimal
- 0xF6D2E
- Base64
- D20u
- One's complement
- 4,293,956,305 (32-bit)
- Scientific notation
- 1.01099 × 10⁶
- As a duration
- 1,010,990 s = 11 days, 16 hours, 49 minutes, 50 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓁨𓂍𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Chinese
- 一百零一萬零九百九十
- Chinese (financial)
- 壹佰零壹萬零玖佰玖拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1010990, here are decompositions:
- 7 + 1010983 = 1010990
- 61 + 1010929 = 1010990
- 73 + 1010917 = 1010990
- 109 + 1010881 = 1010990
- 157 + 1010833 = 1010990
- 181 + 1010809 = 1010990
- 193 + 1010797 = 1010990
- 199 + 1010791 = 1010990
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.109.46.
- Address
- 0.15.109.46
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.109.46
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Could be parsed as a date. Most likely interpretation: Friday, January 1, 0990 (MDDYYYY (US, single-digit month)).
Other possible interpretations (2)
- 0990-10-01 (MMDYYYY (US, single-digit day))
- 0990-01-10 (DDMYYYY (Euro, single-digit month))
This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 1,010,990 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°.