21621317011187712

Names of 21621317011187712

• Cardinal: 21621317011187712 can be written as Twenty-one quadrillion, six hundred twenty-one trillion, three hundred seventeen billion, eleven million, one hundred eighty-seven thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 2.1621317011187712 × 10¹⁶

Factors of 21621317011187712

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 54566

Divisors of 21621317011187712

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 32 39 42 48 52 56 64 78 84 91 96 104 112 128 156 168 169 182 192 208 224 256 273 312 336 338 364 384 416 448 507 512 546 624 672 676 728 768 832 896 1014 1024 1092 1183 1248 1344 1352 1456 1536 1664 1792 2028 2048 2184 2366 2496 2688 2704 2912 3072 3328 3549 3584 4056 4368 4732 4992 5376 5408 5824 6144 6656 7098 7168 8112 8736 9464 9984 10752 10816 11648 13312 14196 14336 16224 17472 18928 19968 21504 21632 23296 26624 28392 32448 34944 37856 39936 43008 43264 46592 54541 56784 64896 69888 75712 79872 86528 93184 109082 113568 129792 139776 151424 163623 173056 186368 218164 227136 259584 279552 302848 327246 346112 381787 436328 454272 519168 559104 605696 654492 709033 763574 872656 908544 1038336 1145361 1211392 1308984 1418066 1527148 1745312 1817088 2127099 2290722 2422784 2617968 2836132 3054296 3490624 3634176 4254198 4581444 4963231 5235936 5672264 6108592 6981248 7268352 8508396 9162888 9217429 9926462 10471872 11344528 12217184 13962496 14889693 17016792 18325776 18434858 19852924 20943744 22689056 24434368 27652287 27924992 29779386 34033584 36651552 36869716 39705848 41887488 45378112 48868736 55304574 55849984 59558772 64522003 68067168 73303104 73739432 79411696 83774976 90756224 97737472 110609148 111699968 119117544 129044006 136134336 146606208 147478864 158823392 167549952 181512448 193566009 195474944 221218296 238235088 258088012 272268672 293212416 294957728 317646784 335099904 363024896 387132018 390949888 442436592 476470176 516176024 544537344 586424832 589915456 635293568 726049792 774264036 781899776 884873184 952940352 1032352048 1089074688 1172849664 1179830912 1270587136 1452099584 1548528072 1769746368 1905880704 2064704096 2178149376 2345699328 2359661824 2541174272 2974720681 3097056144 3539492736 3811761408 4129408192 4356298752 4719323648 5082348544 5949441362 6194112288 7078985472 7623522816 8258816384 8924162043 9438647296 10164697088 11898882724 12388224576 14157970944 15247045632 16517632768 17848324086 18877294592 20823044767 23797765448 24776449152 28315941888 30494091264 33035265536 35696648172 38671368853 41646089534 47595530896 49552898304 56631883776 62469134301 66070531072 71393296344 77342737706 83292179068 95191061792 99105796608 116014106559 124938268602 132141062144 142786592688 154685475412 166584358136 190382123584 198211593216 232028213118 249876537204 270699581971 285573185376 309370950824 333168716272 380764247168 396423186432 464056426236 499753074408 502727795089 541399163942 571146370752 618741901648 666337432544 761528494336 812098745913 928112852472 999506148816 1005455590178 1082798327884 1142292741504 1237483803296 1332674865088 1508183385267 1523056988672 1624197491826 1856225704944 1999012297632 2010911180356 2165596655768 2284585483008 2474967606592 2665349730176 3016366770534 3046113977344 3248394983652 3519094565623 3712451409888 3998024595264 4021822360712 4331193311536 4569170966016 4949935213184 5330699460352 6032733541068 6092227954688 6496789967304 7038189131246 7424902819776 7996049190528 8043644721424 8662386623072 9138341932032 9899870426368 10557283696869 10661398920704 12065467082136 12993579934608 14076378262492 14849805639552 15992098381056 16087289442848 17324773246144 18276683864064 19799740852736 21114567393738 21322797841408 24130934164272 25987159869216 28152756524984 29699611279104 31984196762112 32174578885696 34649546492288 39599481705472 42229134787476 42645595682816 48261868328544 51974319738432 56305513049968 59399222558208 63968393524224 64349157771392 69299092984576 79198963410944 84458269574952 96523736657088 103948639476864 112611026099936 118798445116416 127936787048448 128698315542784 138598185969152 168916539149904 193047473314176 207897278953728 225222052199872 237596890232832 257396631085568 277196371938304 337833078299808 386094946628352 415794557907456 450444104399744 514793262171136 554392743876608 675666156599616 772189893256704 831589115814912 900888208799488 1029586524342272 1351332313199232 1544379786513408 1663178231629824 1801776417598976 2702664626398464 3088759573026816 3603552835197952 5405329252796928 7207105670395904 10810658505593856 21621317011187712
• Sum of all divisors σ(n): 71336061775611360
• Sum of proper divisors (its aliquot sum) s(n): 49714744764423648
• 21621317011187712 is an abundant number, because the sum of its proper divisors (49714744764423648) is greater than itself. Its abundance is 28093427753235936

Bases of 21621317011187712

• Binary: 1001100110100000111100100101000000001110010100000000000₂
• Hexadecimal: 0x4CD07928072800
• Base-36: 5WW47WULKAO

Squares and roots of 21621317011187712

• 21621317011187712 squared (21621317011187712²) is 467481349298275135438572899794944
• 21621317011187712 cubed (21621317011187712³) is 10107562449995780957855823006123466515158692528128
• The square root of 21621317011187712 is 147041888.6276550515
• The cube root of 21621317011187712 is 278586.9154514259

Scales and comparisons

• 21,621,317,011,187,712 seconds is equal to 687,491,001 years, 43 weeks, 1 day, 12 hours, 35 minutes, 12 seconds.
• To count from 1 to 21,621,317,011,187,712 would take you about two billion, sixty-two million, four hundred seventy-three thousand and five 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 21621317011187712 cubic inches would be around 23215.6 feet tall.

Recreational maths with 21621317011187712

• 21621317011187712 backwards is 21778111071312612
• The number of decimal digits it has is: 17
• The sum of 21621317011187712's digits is 51
• More coming soon!