1,029,990
1,029,990 is a composite number, even.
1,029,990 (one million twenty-nine thousand nine hundred ninety) is an even 7-digit number. It is a composite number with 64 divisors, and factors as 2 × 3 × 5 × 13 × 19 × 139. Its proper divisors sum to 1,792,410, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xFB766.
Interestingness
Properties
- Parity
- Even
- Digit count
- 7
- Digit sum
- 30
- Digit product
- 0
- Digital root
- 3
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 999,201
- Square (n²)
- 1,060,879,400,100
- Cube (n³)
- 1,092,695,173,308,999,000
- Divisor count
- 64
- σ(n) — sum of divisors
- 2,822,400
- φ(n) — Euler's totient
- 238,464
- Sum of prime factors
- 181
Primality
Prime factorization: 2 × 3 × 5 × 13 × 19 × 139
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√1,029,990 = [1014; (1, 7, 1, 1, 1, 3, 5, 2, 5, 1, 3, 2, 1, 16, 12, 4, 7, 3, 3, 14, 3, 3, 7, 4, …)]
Period length 40 — the block in parentheses repeats forever.
Representations
- In words
- one million twenty-nine thousand nine hundred ninety
- Ordinal
- 1029990th
- Binary
- 11111011011101100110
- Octal
- 3733546
- Hexadecimal
- 0xFB766
- Base64
- D7dm
- One's complement
- 4,293,937,305 (32-bit)
- Scientific notation
- 1.02999 × 10⁶
- As a duration
- 1,029,990 s = 11 days, 22 hours, 6 minutes, 30 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓁨𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Chinese
- 一百零二萬九千九百九十
- Chinese (financial)
- 壹佰零貳萬玖仟玖佰玖拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1029990, here are decompositions:
- 7 + 1029983 = 1029990
- 23 + 1029967 = 1029990
- 37 + 1029953 = 1029990
- 47 + 1029943 = 1029990
- 53 + 1029937 = 1029990
- 61 + 1029929 = 1029990
- 83 + 1029907 = 1029990
- 107 + 1029883 = 1029990
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.183.102.
- Address
- 0.15.183.102
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.183.102
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Could be parsed as a date. Most likely interpretation: Tuesday, January 2, 9990 (MDDYYYY (US, single-digit month)).
Other possible interpretations (3)
- 9990-02-01 (DMMYYYY (Euro, single-digit day))
- 9990-10-02 (MMDYYYY (US, single-digit day))
- 9990-02-10 (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 1,029,990 and was likely granted around 1912.
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°.