122,190
122,190 is a composite number, even.
122,190 (one hundred twenty-two thousand one hundred ninety) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 3 × 5 × 4,073. Its proper divisors sum to 171,138, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1DD4E.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 15
- Digit product
- 0
- Digital root
- 6
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 91,221
- Square (n²)
- 14,930,396,100
- Cube (n³)
- 1,824,345,099,459,000
- Divisor count
- 16
- σ(n) — sum of divisors
- 293,328
- φ(n) — Euler's totient
- 32,576
- Sum of prime factors
- 4,083
Primality
Prime factorization: 2 × 3 × 5 × 4073
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√122,190 = [349; (1, 1, 3, 1, 8, 1, 2, 36, 2, 4, 1, 1, 6, 2, 1, 2, 4, 1, 1, 2, 2, 2, 1, 3, …)]
Representations
- In words
- one hundred twenty-two thousand one hundred ninety
- Ordinal
- 122190th
- Binary
- 11101110101001110
- Octal
- 356516
- Hexadecimal
- 0x1DD4E
- Base64
- Ad1O
- One's complement
- 4,294,845,105 (32-bit)
- Scientific notation
- 1.2219 × 10⁵
- As a duration
- 122,190 s = 1 day, 9 hours, 56 minutes, 30 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρκβρϟʹ
- Mayan (base 20)
- 𝋯·𝋥·𝋩·𝋪
- Chinese
- 一十二萬二千一百九十
- Chinese (financial)
- 壹拾貳萬貳仟壹佰玖拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 122190, here are decompositions:
- 17 + 122173 = 122190
- 23 + 122167 = 122190
- 41 + 122149 = 122190
- 43 + 122147 = 122190
- 59 + 122131 = 122190
- 73 + 122117 = 122190
- 109 + 122081 = 122190
- 137 + 122053 = 122190
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.221.78.
- Address
- 0.1.221.78
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.221.78
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 122,190 and was likely granted around 1871.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 122190 first appears in π at position 65,670 of the decimal expansion (the 65,670ordinal-suffix:th digit after the integer 3).
Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.
Related reading
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.