12723639808

Names of 12723639808

• Cardinal: 12723639808 can be written as Twelve billion, seven hundred twenty-three million, six hundred thirty-nine thousand, eight hundred eight.

Scientific notation

• Scientific notation: 1.2723639808 × 10¹⁰

Factors of 12723639808

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 72

Divisors of 12723639808

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 59 64 88 118 121 128 176 236 242 256 352 472 484 512 649 704 944 968 1298 1408 1888 1936 2596 2816 3481 3776 3872 5192 5632 6962 7139 7552 7744 10384 13924 14278 15104 15488 20768 27848 28556 30208 30976 38291 41536 55696 57112 61952 76582 83072 111392 114224 153164 166144 205379 222784 228448 306328 332288 410758 421201 445568 456896 612656 821516 842402 891136 913792 1225312 1643032 1684804 1782272 1827584 2259169 2450624 3286064 3369608 3655168 4518338 4901248 6572128 6739216 9036676 9802496 13144256 13478432 18073352 19604992 24850859 26288512 26956864 36146704 49701718 52577024 53913728 72293408 99403436 105154048 107827456 144586816 198806872 215654912 289173632 397613744 578347264 795227488 1156694528 1590454976 3180909952 6361819904 12723639808
• Sum of all divisors σ(n): 28425446280
• Sum of proper divisors (its aliquot sum) s(n): 15701806472
• 12723639808 is an abundant number, because the sum of its proper divisors (15701806472) is greater than itself. Its abundance is 2978166664

Bases of 12723639808

• Binary: 1011110110011000110101011000000000₂
• Hexadecimal: 0x2F6635600
• Base-36: 5UFBRB4

Squares and roots of 12723639808

• 12723639808 squared (12723639808²) is 161891009963722276864
• 12723639808 cubed (12723639808³) is 2059842898931741397763187802112
• The square root of 12723639808 is 112799.1126206231
• The cube root of 12723639808 is 2334.5532732133

Scales and comparisons

• 12,723,639,808 seconds is equal to 404 years, 29 weeks, 5 days, 8 hours, 23 minutes, 28 seconds.
• To count from 1 to 12,723,639,808 would take you about eight hundred nine years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 12723639808 cubic inches would be around 194.5 feet tall.

Recreational maths with 12723639808

• 12723639808 backwards is 80893632721
• The number of decimal digits it has is: 11
• The sum of 12723639808's digits is 49
• More coming soon!