12961655835185720

Names of 12961655835185720

• Cardinal: 12961655835185720 can be written as Twelve quadrillion, nine hundred sixty-one trillion, six hundred fifty-five billion, eight hundred thirty-five million, one hundred eighty-five thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.296165583518572 × 10¹⁶

Factors of 12961655835185720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 24468

Divisors of 12961655835185720

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 8 10 13 20 26 40 52 65 104 130 169 260 338 520 676 845 1352 1690 3380 5147 6760 10294 19301 20588 25735 38602 41176 51470 66911 77204 96505 102940 133822 154408 193010 205880 250913 267644 334555 386020 501826 535288 669110 772040 869843 1003652 1254565 1338220 1739686 2007304 2509130 2676440 3261869 3479372 4349215 5018260 6523738 6958744 8698430 10036520 13047476 16309345 17396860 26094952 32618690 34793720 65237380 99342247 130474760 198684494 372528601 397368988 496711235 745057202 794737976 993422470 1291449211 1490114404 1862643005 1986844940 2582898422 2980228808 3725286010 3973689880 4842871813 5165796844 6457246055 7450572020 9685743626 10331593688 12914492110 14901144040 16788839743 19371487252 24214359065 25828984220 33577679486 38742974504 48428718130 51657968440 62957333569 67155358972 83944198715 96857436260 125914667138 134310717944 167888397430 193714872520 251829334276 314786667845 335776794860 503658668552 629573335690 671553589720 1259146671380 1917404709347 2518293342760 3834809418694 7669618837388 9587023546735 15339237674776 19174047093470 24926261221511 38348094186940 49852522443022 76696188373880 99705044886044 124631306107555 199410089772088 249262612215110 324041395879643 498525224430220 648082791759286 997050448860440 1296165583518572 1620206979398215 2592331167037144 3240413958796430 6480827917592860 12961655835185720
• Sum of all divisors σ(n): 31587427678486680
• Sum of proper divisors (its aliquot sum) s(n): 18625771843300960
• 12961655835185720 is an abundant number, because the sum of its proper divisors (18625771843300960) is greater than itself. Its abundance is 5664116008115240

Bases of 12961655835185720

• Binary: 101110000011001000111010101011110000011101001000111000₂
• Hexadecimal: 0x2E0C8EABC1D238
• Base-36: 3JMIUHK8E9K

Squares and roots of 12961655835185720

• 12961655835185720 squared (12961655835185720²) is 168004521989804024668386891918400
• 12961655835185720 cubed (12961655835185720³) is 2177616792786730946673427301133056517431085248000
• The square root of 12961655835185720 is 113849268.0485286213
• The cube root of 12961655835185720 is 234902.0617101527

Scales and comparisons

• 12,961,655,835,185,720 seconds is equal to 412,140,562 years, 27 weeks, 2 days, 2 hours, 15 minutes, 20 seconds.
• To count from 1 to 12,961,655,835,185,720 would take you about one billion, two hundred thirty-six million, four hundred twenty-one thousand, six hundred eighty-seven 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 12961655835185720 cubic inches would be around 19575.2 feet tall.

Recreational maths with 12961655835185720

• 12961655835185720 backwards is 02758153855616921
• The number of decimal digits it has is: 17
• The sum of 12961655835185720's digits is 74
• More coming soon!