21384852748088160

Names of 21384852748088160

• Cardinal: 21384852748088160 can be written as Twenty-one quadrillion, three hundred eighty-four trillion, eight hundred fifty-two billion, seven hundred forty-eight million, eighty-eight thousand, one hundred sixty.

Scientific notation

• Scientific notation: 2.138485274808816 × 10¹⁶

Factors of 21384852748088160

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1144

Divisors of 21384852748088160

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 257 480 514 771 877 1028 1285 1542 1754 2056 2570 2631 3084 3508 3855 4112 4385 5140 5262 6168 7016 7710 8224 8770 10280 10524 12336 13155 14032 15420 17540 20560 21048 24672 26310 28064 30840 35080 41120 42096 52620 61680 66049 70160 84192 105240 123360 132098 140320 198147 210480 225389 264196 330245 396294 420960 450778 528392 660490 676167 769129 792588 901556 990735 1056784 1126945 1320980 1352334 1538258 1585176 1803112 1981470 2113568 2253890 2307387 2641960 2704668 3076516 3170352 3380835 3606224 3845645 3962940 4507780 4614774 5283920 5409336 6153032 6340704 6761670 7212448 7691290 7925880 9015560 9229548 10567840 10818672 11536935 12306064 13523340 15382580 15851760 18031120 18459096 21637344 23073870 24612128 27046680 30765160 31703520 36062240 36918192 46147740 54093360 57924973 61530320 73836384 92295480 108186720 115849946 123060640 173774919 184590960 197666153 231699892 289624865 347549838 369181920 395332306 463399784 579249730 592998459 674526133 695099676 790664612 868874595 926799568 988330765 1158499460 1185996918 1349052266 1390199352 1581329224 1737749190 1853599136 1976661530 2023578399 2316998920 2371993836 2698104532 2780398704 2964992295 3162658448 3372630665 3475498380 3953323060 4047156798 4633997840 4743987672 5396209064 5560797408 5929984590 6325316896 6745261330 6950996760 7906646120 8094313596 9267995680 9487975344 10117891995 10792418128 11859969180 13490522660 13901993520 15813292240 16188627192 18975950688 20235783990 21584836256 23719938360 26981045320 27803987040 31626584480 32377254384 40471567980 47439876720 50800201321 53962090640 64754508768 80943135960 94879753440 101600402642 107924181280 152400603963 161886271920 173353216181 203200805284 254001006605 304801207926 323772543840 346706432362 406401610568 508002013210 520059648543 609602415852 693412864724 762003019815 812803221136 866766080905 1016004026420 1040119297086 1219204831704 1386825729448 1524006039630 1625606442272 1733532161810 2032008052840 2080238594172 2438409663408 2600298242715 2773651458896 3048012079260 3467064323620 4064016105680 4160477188344 4876819326816 5200596485430 5547302917792 6096024158520 6934128647240 8128032211360 8320954376688 10401192970860 12192048317040 13868257294480 16641908753376 20802385941720 24384096634080 27736514588960 41604771883440 44551776558517 83209543766880 89103553117034 133655329675551 178207106234068 222758882792585 267310659351102 356414212468136 445517765585170 534621318702204 668276648377755 712828424936272 891035531170340 1069242637404408 1336553296755510 1425656849872544 1782071062340680 2138485274808816 2673106593511020 3564142124681360 4276970549617632 5346213187022040 7128284249362720 10692426374044080 21384852748088160
• Sum of all divisors σ(n): 67702614066329760
• Sum of proper divisors (its aliquot sum) s(n): 46317761318241600
• 21384852748088160 is an abundant number, because the sum of its proper divisors (46317761318241600) is greater than itself. Its abundance is 24932908570153440

Bases of 21384852748088160

• Binary: 1001011111110010110100100000111100111111011001101100000₂
• Hexadecimal: 0x4BF969079FB360
• Base-36: 5UKAPQ9OBXC

Squares and roots of 21384852748088160

• 21384852748088160 squared (21384852748088160²) is 457311927057413728740535132185600
• 21384852748088160 cubed (21384852748088160³) is 9779548220067226150319340894835536983282282496000
• The square root of 21384852748088160 is 146235606.9775352627
• The cube root of 21384852748088160 is 277567.5900530743

Scales and comparisons

• 21,384,852,748,088,160 seconds is equal to 679,972,169 years, 36 weeks, 1 day, 12 hours, 56 minutes.
• To count from 1 to 21,384,852,748,088,160 would take you about two billion, thirty-nine million, nine hundred sixteen thousand, five hundred nine 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 21384852748088160 cubic inches would be around 23130.6 feet tall.

Recreational maths with 21384852748088160

• 21384852748088160 backwards is 06188084725848312
• The number of decimal digits it has is: 17
• The sum of 21384852748088160's digits is 75
• More coming soon!