12909470791815

Names of 12909470791815

• Cardinal: 12909470791815 can be written as Twelve trillion, nine hundred nine billion, four hundred seventy million, seven hundred ninety-one thousand, eight hundred fifteen.

Scientific notation

• Scientific notation: 1.2909470791815 × 10¹³

Factors of 12909470791815

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 19618

Divisors of 12909470791815

• Number of divisors d(n): 336
• Complete list of divisors:
  1 3 5 9 13 15 27 29 37 39 45 65 81 87 111 117 135 145 169 185 195 243 261 333 351 377 405 435 481 507 555 585 729 783 845 999 1053 1073 1131 1215 1305 1443 1521 1665 1755 1885 2349 2405 2535 2997 3159 3219 3393 3645 3915 4329 4563 4901 4995 5265 5365 5655 6253 7047 7215 7605 8991 9477 9657 10179 11745 12987 13689 13949 14703 14985 15795 16095 16965 18759 19531 21141 21645 22815 24505 26973 28971 30537 31265 35235 38961 41067 41847 44109 44955 47385 48285 50895 56277 58593 64935 68445 69745 73515 86913 91611 93795 97655 105705 116883 123201 125541 132327 134865 144855 152685 168831 175779 181337 194805 205335 209235 220545 253903 260739 274833 281385 292965 350649 376623 396981 434565 458055 506493 527337 544011 566399 584415 616005 627705 661635 722647 761709 782217 844155 878895 906685 1129869 1190943 1269515 1303695 1374165 1519479 1582011 1632033 1699197 1753245 1883115 1984905 2167941 2285127 2532465 2636685 2720055 2831995 3300739 3389607 3572829 3613235 3808545 3911085 4558437 4746033 4896099 5097591 5649345 5954715 6503823 6855381 7363187 7597395 7910055 8160165 8495985 9394411 9902217 10168821 10839705 11425635 14238099 14688297 15292773 16503695 16948035 17864145 19511469 20566143 20956763 22089561 22792185 23730165 24480495 25487955 28183233 29706651 32519115 34276905 36815935 44064891 45878319 46972055 49511085 50844105 58534407 61698429 62870289 66268683 71190495 73441485 76463865 84549699 89119953 95721431 97557345 102830715 104783815 110447805 122127343 132194673 137634957 140916165 148533255 175603221 185095287 188610867 198806049 220324455 229391595 253649097 267359859 272437919 287164293 292672035 308492145 314351445 331343415 366382029 412904871 422748495 445599765 478607155 526809663 565832601 596418147 610636715 660973365 688174785 760947291 802079577 817313757 861492879 878016105 925476435 943054335 994030245 1099146087 1268245485 1336799295 1362189595 1435821465 1697497803 1789254441 1831910145 2064524355 2282841873 2406238731 2451941271 2584478637 2634048315 2829163005 2982090735 3297438261 3541692947 3804736455 4010397885 4086568785 4307464395 5092493409 5367763323 5495730435 6848525619 7355823813 7753435911 8487489015 8946272205 9892314783 10625078841 11414209365 12031193655 12259706355 12922393185 15277480227 16487191305 17708464735 22067471439 23260307733 25462467045 26838816615 29676944349 31875236523 34242628095 36779119065 38767179555 49461573915 53125394205 66202414317 69780923199 76387401135 89030833047 95625709569 110337357195 116301538665 148384721745 159376182615 198607242951 286877128707 331012071585 348904615995 445154165235 478128547845 860631386121 993036214755 1434385643535 2581894158363 4303156930605 12909470791815
• Sum of all divisors σ(n): 26722314378720
• Sum of proper divisors (its aliquot sum) s(n): 13812843586905
• 12909470791815 is an abundant number, because the sum of its proper divisors (13812843586905) is greater than itself. Its abundance is 903372795090

Bases of 12909470791815

• Binary: 10111011110110111000011010111011100010000111₂
• Hexadecimal: 0xBBDB86BB887
• Base-36: 4KQJ1LHFR

Squares and roots of 12909470791815

• 12909470791815 squared (12909470791815²) is 166654436124724603070994225
• 12909470791815 cubed (12909470791815³) is 2151420575478530861705719398470042268375
• The square root of 12909470791815 is 3592975.2005566361
• The cube root of 12909470791815 is 23458.6390561467

Scales and comparisons

• 12,909,470,791,815 seconds is equal to 410,481 years, 12 weeks, 3 days, 4 hours, 50 minutes, 15 seconds.
• To count from 1 to 12,909,470,791,815 would take you about one million, twenty-six thousand, two 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 12909470791815 cubic inches would be around 1954.9 feet tall.

Recreational maths with 12909470791815

• 12909470791815 backwards is 51819707490921
• The number of decimal digits it has is: 14
• The sum of 12909470791815's digits is 63
• More coming soon!