21094209138685640

Names of 21094209138685640

• Cardinal: 21094209138685640 can be written as Twenty-one quadrillion, ninety-four trillion, two hundred nine billion, one hundred thirty-eight million, six hundred eighty-five thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.109420913868564 × 10¹⁶

Factors of 21094209138685640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 5422

Divisors of 21094209138685640

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 8 10 20 31 40 62 124 155 181 248 310 362 601 620 724 905 961 1202 1240 1448 1801 1810 1922 2404 2801 3005 3602 3620 3844 4805 4808 5602 5611 6010 7204 7240 7688 9005 9610 11204 11222 12020 14005 14408 18010 18631 19220 22408 22444 24040 28010 28055 36020 37262 38440 44888 55831 56020 56110 72040 74524 86831 93155 108781 111662 112040 112220 149048 173662 173941 186310 217562 223324 224440 279155 325981 347324 347882 372620 434155 435124 446648 506981 543905 558310 577561 651962 694648 695764 745240 868310 869705 870248 1013962 1082401 1087810 1116620 1155122 1303924 1391528 1629905 1683401 1730761 1736620 1739410 2027924 2164802 2175620 2233240 2310244 2534905 2607848 2691761 2887805 3259810 3366802 3372211 3461522 3473240 3478820 4055848 4329604 4351240 4620488 5044601 5069810 5383522 5412005 5775610 6519620 6733604 6744422 6923044 6957640 8417005 8653805 8659208 10089202 10105411 10139620 10767044 10824010 11551220 13039240 13458805 13467208 13488844 13846088 15716411 16834010 16861055 17307610 20178404 20210822 20279240 21534088 21648020 23102440 25223005 26917610 26977688 31432822 33554431 33668020 33722110 34615220 40356808 40421644 43296040 50446010 50527055 52185431 53835220 62865644 67108862 67336040 67444220 69230440 78582055 80843288 100892020 101054110 104370862 104538541 107670440 125731288 134217724 134888440 156382631 157164110 167772155 195914581 201784040 202108220 208741724 209077082 260927155 268435448 304695581 312765262 313267741 314328220 335544310 391829162 404216440 417483448 418154164 487208741 521854310 522692705 609391162 625530524 626535482 628656440 671088620 781913155 783658324 836308328 913072781 974417482 979572905 1040187361 1043708620 1045385410 1218782324 1251061048 1253070964 1342177240 1523477905 1563826310 1566338705 1567316648 1617748361 1826145562 1948834964 1959145810 2080374722 2087417240 2090770820 2436043705 2437564648 2506141928 3031805201 3046955810 3127652620 3132677410 3235496722 3652291124 3897669928 3918291620 4160749444 4181541640 4565363905 4847861561 4872087410 5200936805 6063610402 6073352011 6093911620 6255305240 6265354820 6470993444 7304582248 7836583240 8088741805 8321498888 9130727810 9445563011 9695723122 9744174820 10401873610 12127220804 12146704022 12187823240 12530709640 12941986888 15159026005 16177483610 18261455620 18891126022 19391446244 19488349640 20803747220 24239307805 24254441608 24293408044 28305256211 30318052010 30366760055 32354967220 36522911240 37782252044 38782892488 41607494440 47227815055 48478615610 48586816088 56610512422 60636104020 60733520110 64709934440 75564504088 93985961231 94455630110 96957231220 113221024844 121272208040 121467040220 141526281055 187971922462 188273912341 188911260220 193914462440 226442049688 242934080440 283052562110 292812453341 375943844924 376547824682 377822520440 469929806155 548756741381 566105124220 585624906682 751887689848 753095649364 877462942541 939859612310 941369561705 1097513482762 1132210248440 1171249813364 1464062266705 1506191298728 1754925885082 1879719224620 1882739123410 2195026965524 2342499626728 2743783706905 2913564798161 2928124533410 3509851770164 3759438449240 3765478246820 4387314712705 4390053931048 5487567413810 5827129596322 5856249066820 7019703540328 7530956493640 8774629425410 10975134827620 11654259192644 11712498133640 14567823990805 17011458982811 17549258850820 21950269655240 23308518385288 29135647981610 34022917965622 35098517701640 58271295963220 68045835931244 85057294914055 116542591926440 136091671862488 170114589828110 340229179656220 527355228467141 680458359312440 1054710456934282 2109420913868564 2636776142335705 4218841827737128 5273552284671410 10547104569342820 21094209138685640
• Sum of all divisors σ(n): 49440465913194720
• Sum of proper divisors (its aliquot sum) s(n): 28346256774509080
• 21094209138685640 is an abundant number, because the sum of its proper divisors (28346256774509080) is greater than itself. Its abundance is 7252047635823440

Bases of 21094209138685640

• Binary: 1001010111100010001001001001010100001110111011011001000₂
• Hexadecimal: 0x4AF1124A8776C8
• Base-36: 5RP9TWCTZUW

Squares and roots of 21094209138685640

• 21094209138685640 squared (21094209138685640²) is 444965659186608770151226742209600
• 21094209138685640 cubed (21094209138685640³) is 9386198674415442621119655224594201734853390144000
• The square root of 21094209138685640 is 145238456.1288284969
• The cube root of 21094209138685640 is 276304.3671021567

Scales and comparisons

• 21,094,209,138,685,640 seconds is equal to 670,730,601 years, 48 weeks, 5 days, 3 hours, 47 minutes, 20 seconds.
• To count from 1 to 21,094,209,138,685,640 would take you about two billion, twelve million, one hundred ninety-one thousand, eight hundred 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 21094209138685640 cubic inches would be around 23025.4 feet tall.

Recreational maths with 21094209138685640

• 21094209138685640 backwards is 04658683190249012
• The number of decimal digits it has is: 17
• The sum of 21094209138685640's digits is 68
• More coming soon!