12908972520

Names of 12908972520

• Cardinal: 12908972520 can be written as Twelve billion, nine hundred eight million, nine hundred seventy-two thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.290897252 × 10¹⁰

Factors of 12908972520

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1693

Divisors of 12908972520

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 73 90 120 146 180 219 292 360 365 409 438 584 657 730 818 876 1095 1201 1227 1314 1460 1636 1752 2045 2190 2402 2454 2628 2920 3272 3285 3603 3681 4090 4380 4804 4908 5256 6005 6135 6570 7206 7362 8180 8760 9608 9816 10809 12010 12270 13140 14412 14724 16360 18015 18405 21618 24020 24540 26280 28824 29448 29857 36030 36810 43236 48040 49080 54045 59714 72060 73620 86472 87673 89571 108090 119428 144120 147240 149285 175346 179142 216180 238856 263019 268713 298570 350692 358284 432360 438365 447855 491209 526038 537426 597140 701384 716568 789057 876730 895710 982418 1052076 1074852 1194280 1315095 1343565 1473627 1578114 1753460 1791420 1964836 2104152 2149704 2456045 2630190 2687130 2947254 3156228 3506920 3582840 3929672 3945285 4420881 4912090 5260380 5374260 5894508 6312456 7368135 7890570 8841762 9824180 10520760 10748520 11789016 14736270 15781140 17683524 19648360 22104405 29472540 31562280 35367048 35858257 44208810 58945080 71716514 88417620 107574771 143433028 176835240 179291285 215149542 286866056 322724313 358582570 430299084 537873855 645448626 717165140 860598168 1075747710 1290897252 1434330280 1613621565 2151495420 2581794504 3227243130 4302990840 6454486260 12908972520
• Sum of all divisors σ(n): 42668355600
• Sum of proper divisors (its aliquot sum) s(n): 29759383080
• 12908972520 is an abundant number, because the sum of its proper divisors (29759383080) is greater than itself. Its abundance is 16850410560

Bases of 12908972520

• Binary: 1100000001011011110100100111101000₂
• Hexadecimal: 0x3016F49E8
• Base-36: 5XHO2Y0

Squares and roots of 12908972520

• 12908972520 squared (12908972520²) is 166641571522115150400
• 12908972520 cubed (12908972520³) is 2151171467468599048789267008000
• The square root of 12908972520 is 113617.6593668431
• The cube root of 12908972520 is 2345.8337238221

Scales and comparisons

• 12,908,972,520 seconds is equal to 410 years, 24 weeks, 1 day, 9 hours, 42 minutes.
• To count from 1 to 12,908,972,520 would take you about eight hundred twenty 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 12908972520 cubic inches would be around 195.5 feet tall.

Recreational maths with 12908972520

• 12908972520 backwards is 02527980921
• 12908972520 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12908972520's digits is 45
• More coming soon!