21470921975002720

Names of 21470921975002720

• Cardinal: 21470921975002720 can be written as Twenty-one quadrillion, four hundred seventy trillion, nine hundred twenty-one billion, nine hundred seventy-five million, two thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.147092197500272 × 10¹⁶

Factors of 21470921975002720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 8825

Divisors of 21470921975002720

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 29 32 40 44 55 58 80 88 110 116 145 160 176 197 220 232 290 319 352 394 440 464 580 638 788 841 880 928 985 1160 1276 1576 1595 1682 1760 1970 2167 2320 2552 3152 3190 3364 3940 4205 4334 4640 5104 5713 6304 6380 6728 7880 8410 8581 8668 9251 10208 10835 11426 12760 13456 15760 16820 17162 17336 18502 21670 22852 25520 26912 28565 31520 33640 34324 34672 37004 42905 43340 45704 46255 51040 57130 62843 67280 68648 69344 74008 85810 86680 91408 92510 94391 114260 125686 134560 137296 148016 165677 171620 173360 182816 185020 188782 228520 248849 251372 274592 296032 314215 331354 343240 346720 370040 377564 457040 471955 497698 502744 628430 662708 686480 740080 755128 828385 914080 943910 995396 1005488 1244245 1256860 1325416 1372960 1480160 1510256 1656770 1690457 1822447 1887820 1990792 2010976 2488490 2513720 2650832 2737339 3020512 3313540 3380914 3644894 3775640 3981584 4976980 5027440 5301664 5474678 6627080 6761828 7216621 7289788 7551280 7963168 8452285 9112235 9953960 10054880 10949356 13254160 13523656 13686695 14433242 14579576 15102560 16904570 18224470 18595027 19907920 21898712 26508320 27047312 27373390 28866484 29159152 33809140 36083105 36448940 37190054 39815840 43797424 49023253 54094624 54746780 57732968 58318304 67618280 72166210 72897880 73633561 74380108 79382831 87594848 92975135 98046506 109493560 115465936 135236560 144332420 145795760 147267122 148760216 158765662 185950270 196093012 218987120 230931872 245116265 270473120 288664840 291591520 294534244 297520432 317531324 368167805 371900540 392186024 396914155 437974240 490232530 539255783 577329680 589068488 595040864 635062648 736335610 743801080 784372048 793828310 809969171 980465060 1078511566 1154659360 1178136976 1270125296 1421674337 1472671220 1487602160 1568744096 1587656620 1619938342 1960930120 2135373269 2157023132 2356273952 2540250592 2696278915 2843348674 2945342440 2975204320 3175313240 3239876684 3921860240 4049845855 4270746538 4314046264 5392557830 5686697348 5890684880 6350626480 6479753368 7108371685 7843720480 8099691710 8541493076 8628092528 10676866345 10785115660 11373394696 11781369760 12701252960 12959506736 14216743370 14505811517 15638417707 16199383420 17082986152 17256185056 21353732690 21570231320 22746789392 23489105959 25919013472 28433486740 29011623034 31276835414 32398766840 34165972304 42707465380 43140462640 45493578784 46978211918 56866973480 58023246068 61925824801 62553670828 64797533680 68331944608 72529057585 78192088535 85414930760 86280925280 93956423836 113733946960 116046492136 117445529795 123851649602 125107341656 129595067360 145058115170 156384177070 159563926687 170829861520 187912847672 227467893920 232092984272 234891059590 247703299204 250214683312 290116230340 309629124005 312768354140 319127853374 341659723040 375825695344 420668533993 464185968544 469782119180 495406598408 500429366624 580232460680 619258248010 625536708280 638255706748 681184072811 751651390688 797819633435 841337067986 939564238360 990813196816 1160464921360 1238516496020 1251073416560 1276511413496 1362368145622 1595639266870 1682674135972 1879128476720 1981626393632 2103342669965 2320929842720 2477032992040 2502146833120 2553022826992 2724736291244 3191278533740 3365348271944 3405920364055 3758256953440 4206685339930 4627353873923 4954065984080 5106045653984 5449472582488 6382557067480 6730696543888 6811840728110 8413370679860 9254707747846 9908131968160 10898945164976 12199387485797 12765114134960 13461393087776 13623681456220 16826741359720 18509415495692 21797890329952 23136769369615 24398774971594 25530228269920 27247362912440 33653482719440 37018830991384 46273538739230 48797549943188 54494725824880 60996937428985 67306965438880 74037661982768 92547077478460 97595099886376 108989451649760 121993874857970 134193262343767 148075323965536 185094154956920 195190199772752 243987749715940 268386524687534 370188309913840 390380399545504 487975499431880 536773049375068 670966311718835 740376619827680 975950998863760 1073546098750136 1341932623437670 1951901997727520 2147092197500272 2683865246875340 4294184395000544 5367730493750680 10735460987501360 21470921975002720
• Sum of all divisors σ(n): 57608001499832784
• Sum of proper divisors (its aliquot sum) s(n): 36137079524830064
• 21470921975002720 is an abundant number, because the sum of its proper divisors (36137079524830064) is greater than itself. Its abundance is 14666157549827344

Bases of 21470921975002720

• Binary: 1001100010001111011000010010101010100011111011001100000₂
• Hexadecimal: 0x4C47B09551F660
• Base-36: 5VET1DX50F4

Squares and roots of 21470921975002720

• 21470921975002720 squared (21470921975002720²) is 461000490456654702440544007398400
• 21470921975002720 cubed (21470921975002720³) is 9898105561032819156951804560195507419540123648000
• The square root of 21470921975002720 is 146529594.1951751943
• The cube root of 21470921975002720 is 277939.4739745573

Scales and comparisons

• 21,470,921,975,002,720 seconds is equal to 682,708,904 years, 45 weeks, 6 days, 8 hours, 18 minutes, 40 seconds.
• To count from 1 to 21,470,921,975,002,720 would take you about two billion, forty-eight million, one hundred twenty-six thousand, seven hundred fourteen 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 21470921975002720 cubic inches would be around 23161.6 feet tall.

Recreational maths with 21470921975002720

• 21470921975002720 backwards is 02720057912907412
• 21470921975002720 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21470921975002720's digits is 58
• More coming soon!