12643937465644160

Names of 12643937465644160

• Cardinal: 12643937465644160 can be written as Twelve quadrillion, six hundred forty-three trillion, nine hundred thirty-seven billion, four hundred sixty-five million, six hundred forty-four thousand, one hundred sixty.

Scientific notation

• Scientific notation: 1.264393746564416 × 10¹⁶

Factors of 12643937465644160

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 4209706472

Divisors of 12643937465644160

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 8 10 13 16 19 20 26 32 38 40 52 64 65 76 80 95 104 128 130 152 160 190 208 247 260 304 320 361 380 416 494 520 608 640 722 760 832 988 1040 1216 1235 1444 1520 1664 1805 1976 2080 2432 2470 2888 3040 3610 3952 4160 4693 4940 5776 6080 7220 7904 8320 9386 9880 11552 12160 14440 15808 18772 19760 23104 23465 28880 31616 37544 39520 46208 46930 57760 75088 79040 93860 115520 150176 158080 187720 231040 300352 375440 600704 750880 1501760 3003520 4209706433 8419412866 16838825732 21048532165 33677651464 42097064330 54726183629 67355302928 79984422227 84194128660 109452367258 134710605856 159968844454 168388257320 218904734516 269421211712 273630918145 319937688908 336776514640 399922111135 437809469032 538842423424 547261836290 639875377816 673553029280 799844222270 875618938064 1039797488951 1094523672580 1279750755632 1347106058560 1519704022313 1599688444540 1751237876128 2079594977902 2189047345160 2559501511264 2694212117120 3039408044626 3199376889080 3502475752256 4159189955804 4378094690320 5119003022528 5198987444755 6078816089252 6398753778160 7004951504512 7598520111565 8318379911608 8756189380640 10238006045056 10397974889510 12157632178504 12797507556320 15197040223130 16636759823216 17512378761280 19756152290069 20795949779020 24315264357008 25595015112640 30394080446260 33273519646432 35024757522560 39512304580138 41591899558040 48630528714016 51190030225280 60788160892520 66547039292864 79024609160276 83183799116080 97261057428032 98780761450345 121576321785040 133094078585728 158049218320552 166367598232160 194522114856064 197561522900690 243152643570080 316098436641104 332735196464320 395123045801380 486305287140160 632196873282208 665470392928640 790246091602760 972610574280320 1264393746564416 1580492183205520 2528787493128832 3160984366411040 6321968732822080 12643937465644160
• Sum of all divisors σ(n): 34355498402002680
• Sum of proper divisors (its aliquot sum) s(n): 21711560936358520
• 12643937465644160 is an abundant number, because the sum of its proper divisors (21711560936358520) is greater than itself. Its abundance is 9067623470714360

Bases of 12643937465644160

• Binary: 101100111010111001100000011001001100111011010010000000₂
• Hexadecimal: 0x2CEB981933B480
• Base-36: 3GHWGOM94E8

Squares and roots of 12643937465644160

• 12643937465644160 squared (12643937465644160²) is 159869154635120063740323742105600
• 12643937465644160 cubed (12643937465644160³) is 2021375593891854293349226334296960768018743296000
• The square root of 12643937465644160 is 112445264.3095482257
• The cube root of 12643937465644160 is 232966.8422527259

Scales and comparisons

• 12,643,937,465,644,160 seconds is equal to 402,038,101 years, 7 weeks, 2 days, 7 hours, 49 minutes, 20 seconds.
• To count from 1 to 12,643,937,465,644,160 would take you about one billion, two hundred six million, one hundred fourteen thousand, three hundred 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 12643937465644160 cubic inches would be around 19413.9 feet tall.

Recreational maths with 12643937465644160

• 12643937465644160 backwards is 06144656473934621
• The number of decimal digits it has is: 17
• The sum of 12643937465644160's digits is 71
• More coming soon!