12913127942

Names of 12913127942

• Cardinal: 12913127942 can be written as Twelve billion, nine hundred thirteen million, one hundred twenty-seven thousand, nine hundred forty-two.

Scientific notation

• Scientific notation: 1.2913127942 × 10¹⁰

Factors of 12913127942

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 2805

Divisors of 12913127942

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 11 13 22 26 61 122 143 286 307 614 671 793 1342 1586 2411 3377 3991 4822 6754 7982 8723 17446 18727 26521 31343 37454 43901 53042 62686 87802 147071 205997 243451 294142 344773 411994 486902 689546 740177 1480354 1617781 1911923 2677961 3235562 3823846 5355922 8141947 9622301 16283894 19244602 21031153 42062306 45150797 90301594 105845311 211690622 496658767 586960361 993317534 1173920722 6456563971 12913127942
• Sum of all divisors σ(n): 23214014208
• Sum of proper divisors (its aliquot sum) s(n): 10300886266
• 12913127942 is a deficient number, because the sum of its proper divisors (10300886266) is less than itself. Its deficiency is 2612241676

Bases of 12913127942

• Binary: 1100000001101011101011001000000110₂
• Hexadecimal: 0x301AEB206
• Base-36: 5XK55AE

Squares and roots of 12913127942

• 12913127942 squared (12913127942²) is 166748873246461155364
• 12913127942 cubed (12913127942³) is 2153249534415893797948471580888
• The square root of 12913127942 is 113635.9447622099
• The cube root of 12913127942 is 2346.0854062155

Scales and comparisons

• 12,913,127,942 seconds is equal to 410 years, 31 weeks, 11 hours, 59 minutes, 2 seconds.
• To count from 1 to 12,913,127,942 would take you about eight hundred twenty-one 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 12913127942 cubic inches would be around 195.5 feet tall.

Recreational maths with 12913127942

• 12913127942 backwards is 24972131921
• The number of decimal digits it has is: 11
• The sum of 12913127942's digits is 41
• More coming soon!