12955665840

Names of 12955665840

• Cardinal: 12955665840 can be written as Twelve billion, nine hundred fifty-five million, six hundred sixty-five thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.295566584 × 10¹⁰

Factors of 12955665840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 18385

Divisors of 12955665840

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 39 40 48 52 60 65 78 80 104 120 130 156 195 208 229 240 260 312 390 458 520 624 687 780 916 1040 1145 1374 1560 1832 2290 2748 2977 3120 3435 3664 4580 5496 5954 6870 8931 9160 10992 11908 13740 14885 17862 18133 18320 23816 27480 29770 35724 36266 44655 47632 54399 54960 59540 71448 72532 89310 90665 108798 119080 142896 145064 178620 181330 217596 235729 238160 271995 290128 357240 362660 435192 471458 543990 707187 714480 725320 870384 942916 1087980 1178645 1414374 1450640 1885832 2175960 2357290 2828748 3535935 3771664 4152457 4351920 4714580 5657496 7071870 8304914 9429160 11314992 12457371 14143740 16609828 18858320 20762285 24914742 28287480 33219656 41524570 49829484 53981941 56574960 62286855 66439312 83049140 99658968 107963882 124573710 161945823 166098280 199317936 215927764 249147420 269909705 323891646 332196560 431855528 498294840 539819410 647783292 809729115 863711056 996589680 1079638820 1295566584 1619458230 2159277640 2591133168 3238916460 4318555280 6477832920 12955665840
• Sum of all divisors σ(n): 43443261120
• Sum of proper divisors (its aliquot sum) s(n): 30487595280
• 12955665840 is an abundant number, because the sum of its proper divisors (30487595280) is greater than itself. Its abundance is 17531929440

Bases of 12955665840

• Binary: 1100000100001101111100010110110000₂
• Hexadecimal: 0x30437C5B0
• Base-36: 5Y9GVQO

Squares and roots of 12955665840

• 12955665840 squared (12955665840²) is 167849277357742905600
• 12955665840 cubed (12955665840³) is 2174599148932395221584264704000
• The square root of 12955665840 is 113822.9583168527
• The cube root of 12955665840 is 2348.6587088593

Scales and comparisons

• 12,955,665,840 seconds is equal to 411 years, 49 weeks, 2 days, 20 hours, 4 minutes.
• To count from 1 to 12,955,665,840 would take you about eight hundred twenty-three 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 12955665840 cubic inches would be around 195.7 feet tall.

Recreational maths with 12955665840

• 12955665840 backwards is 04856655921
• The number of decimal digits it has is: 11
• The sum of 12955665840's digits is 51
• More coming soon!