1,013,220
1,013,220 is a composite number, even.
1,013,220 (one million thirteen thousand two hundred twenty) is an even 7-digit number. It is a composite number with 72 divisors, and factors as 2² × 3² × 5 × 13 × 433. Its proper divisors sum to 2,304,276, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF75E4.
Interestingness
Properties
- Parity
- Even
- Digit count
- 7
- Digit sum
- 9
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 223,101
- Square (n²)
- 1,026,614,768,400
- Cube (n³)
- 1,040,186,615,638,248,000
- Divisor count
- 72
- σ(n) — sum of divisors
- 3,317,496
- φ(n) — Euler's totient
- 248,832
- Sum of prime factors
- 461
Primality
Prime factorization: 2 2 × 3 2 × 5 × 13 × 433
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√1,013,220 = [1006; (1, 1, 2, 3, 55, 1, 1, 1, 2, 5, 1, 222, 1, 5, 2, 1, 1, 1, 55, 3, 2, 1, 1, 2012)]
Period length 24 — the block in parentheses repeats forever.
Representations
- In words
- one million thirteen thousand two hundred twenty
- Ordinal
- 1013220th
- Binary
- 11110111010111100100
- Octal
- 3672744
- Hexadecimal
- 0xF75E4
- Base64
- D3Xk
- One's complement
- 4,293,954,075 (32-bit)
- Scientific notation
- 1.01322 × 10⁶
- As a duration
- 1,013,220 s = 11 days, 17 hours, 27 minutes
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 ·
- Egyptian hieroglyphic
- 𓁨𓂍𓆼𓆼𓆼𓍢𓍢𓎆𓎆
- Chinese
- 一百零一萬三千二百二十
- Chinese (financial)
- 壹佰零壹萬參仟貳佰貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1013220, here are decompositions:
- 17 + 1013203 = 1013220
- 23 + 1013197 = 1013220
- 67 + 1013153 = 1013220
- 157 + 1013063 = 1013220
- 167 + 1013053 = 1013220
- 179 + 1013041 = 1013220
- 191 + 1013029 = 1013220
- 211 + 1013009 = 1013220
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.117.228.
- Address
- 0.15.117.228
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.117.228
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Could be parsed as a date. Most likely interpretation: Wednesday, January 1, 3220 (MDDYYYY (US, single-digit month)).
Other possible interpretations (2)
- 3220-10-01 (MMDYYYY (US, single-digit day))
- 3220-01-10 (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 1,013,220 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°.