21237534240

Names of 21237534240

• Cardinal: 21237534240 can be written as Twenty-one billion, two hundred thirty-seven million, five hundred thirty-four thousand, two hundred forty.

Scientific notation

• Scientific notation: 2.123753424 × 10¹⁰

Factors of 21237534240

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 357

Divisors of 21237534240

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 17 19 20 24 26 30 32 34 38 39 40 41 48 51 52 57 60 65 68 76 78 80 82 85 95 96 102 104 114 120 123 130 136 152 156 160 164 170 190 195 204 205 208 221 228 240 246 247 255 257 260 272 285 304 312 323 328 340 380 390 408 410 416 442 456 480 492 494 510 514 520 533 544 570 608 615 624 646 656 663 680 697 741 760 771 779 780 816 820 884 912 969 984 988 1020 1028 1040 1066 1105 1140 1230 1235 1248 1285 1292 1312 1326 1360 1394 1482 1520 1542 1558 1560 1599 1615 1632 1640 1768 1824 1938 1968 1976 2040 2056 2080 2091 2132 2210 2280 2337 2460 2470 2570 2584 2652 2665 2720 2788 2964 3040 3084 3116 3120 3198 3230 3280 3315 3341 3485 3536 3705 3855 3876 3895 3936 3952 4080 4112 4182 4199 4264 4369 4420 4560 4674 4845 4883 4920 4940 5140 5168 5304 5330 5576 5928 6168 6232 6240 6396 6460 6560 6630 6682 6970 7072 7410 7710 7752 7790 7904 7995 8160 8224 8364 8398 8528 8738 8840 9061 9120 9348 9690 9766 9840 9880 10023 10127 10280 10336 10455 10537 10608 10660 11152 11685 11856 12336 12464 12597 12792 12920 13107 13243 13260 13364 13940 14649 14820 15420 15504 15580 15990 16705 16728 16796 17056 17476 17680 18122 18696 19380 19532 19680 19760 20046 20254 20560 20910 20995 21074 21216 21320 21845 22304 23370 23712 24415 24672 24928 25194 25584 25840 26214 26486 26520 26728 27183 27880 29298 29640 30381 30840 31008 31160 31611 31980 33410 33456 33592 34952 35360 36244 37392 38760 39064 39520 39729 40092 40508 41120 41820 41990 42148 42640 43690 45305 46740 48830 50115 50388 50635 51168 51680 52428 52685 52972 53040 53456 54366 55760 56797 58596 59280 60762 61680 62320 62985 63222 63479 63960 65535 66215 66820 66912 67184 69904 72488 73245 74784 77520 78128 79458 80184 81016 83011 83640 83980 84296 85280 87380 90610 93480 97660 100230 100776 101270 104856 105370 105944 106080 106912 108732 111520 113594 117192 118560 121524 123360 124640 125970 126444 126958 127920 131070 132430 133640 134368 135915 136981 139808 144976 146490 151905 155040 156256 158055 158916 160368 162032 166022 167280 167960 168592 170391 172159 174760 179129 181220 186960 190437 195320 198645 200203 200460 201552 202540 209712 210740 211888 217464 227188 234384 243048 249033 251940 252888 253916 255840 262140 264860 267280 271830 273962 283985 289952 292980 303810 316110 317395 317832 320736 324064 332044 334560 335920 337184 340782 344318 349520 358258 362440 373920 380874 390640 397290 400406 400920 403104 405080 410943 415055 419424 421480 423776 434928 454376 468768 486096 498066 503880 505776 507832 516477 524280 529720 534560 537387 543660 547924 567970 585960 600609 607620 632220 634790 635664 664088 671840 681564 684905 688636 699040 716516 724880 761748 781280 794580 800812 801840 810160 821886 830110 842960 851955 860795 869856 895645 908752 952185 972192 996132 1001015 1007760 1011552 1015664 1032954 1048560 1059440 1074774 1079143 1087320 1095848 1135940 1171920 1201218 1215240 1245165 1264440 1269580 1271328 1328176 1363128 1369810 1377272 1433032 1449760 1523496 1589160 1601624 1603680 1620320 1643772 1660220 1685920 1703910 1721590 1791290 1817504 1904370 1992264 2002030 2015520 2031328 2054715 2065908 2097120 2118880 2149548 2158286 2174640 2191696 2271880 2328677 2343840 2402436 2430480 2490330 2528880 2539160 2582385 2602639 2656352 2686935 2726256 2739620 2754544 2866064 3003045 3046992 3178320 3203248 3237429 3287544 3320440 3403451 3407820 3443180 3582580 3808740 3984528 4004060 4109430 4131816 4299096 4316572 4349280 4383392 4543760 4657354 4804872 4860960 4980660 5057760 5078320 5164770 5205278 5373870 5395715 5452512 5479240 5509088 5732128 6006090 6093984 6356640 6406496 6474858 6575088 6640880 6806902 6815640 6886360 6986031 7165160 7617480 7807917 7969056 8008120 8218860 8263632 8598192 8633144 9087520 9314708 9609744 9961320 10156640 10210353 10329540 10410556 10747740 10791430 10958480 11643385 12012180 12949716 13013195 13150176 13281760 13613804 13631280 13772720 13972062 14330320 15234960 15615834 16016240 16187145 16437720 16527264 17017255 17196384 17266288 18629416 19219488 19922640 20420706 20659080 20821112 21495480 21582860 21916960 23286770 24024360 25899432 26026390 27227608 27262560 27545440 27944124 28660640 30469920 31231668 32032480 32374290 32875440 34034510 34532576 34930155 37258832 39039585 39845280 40841412 41318160 41642224 42990960 43165720 44244863 46573540 48048720 51051765 51798864 52052780 54455216 55888248 62463336 64748580 65750880 68069020 69860310 74517664 78079170 81682824 82636320 83284448 85981920 86331440 88489726 93147080 96097440 102103530 103597728 104105560 108910432 111776496 124926672 129497160 132734589 136138040 139720620 156158340 163365648 172662880 176979452 186294160 204207060 208211120 221224315 223552992 249853344 258994320 265469178 272276080 279441240 312316680 326731296 353958904 372588320 408414120 416422240 442448630 517988640 530938356 544552160 558882480 624633360 663672945 707917808 816828240 884897260 1061876712 1117764960 1249266720 1327345890 1415835616 1633656480 1769794520 2123753424 2654691780 3539589040 4247506848 5309383560 7079178080 10618767120 21237534240
• Sum of all divisors σ(n): 82575521280
• Sum of proper divisors (its aliquot sum) s(n): 61337987040
• 21237534240 is an abundant number, because the sum of its proper divisors (61337987040) is greater than itself. Its abundance is 40100452800

Bases of 21237534240

• Binary: 10011110001110110110000111000100000₂
• Hexadecimal: 0x4F1DB0E20
• Base-36: 9R8A2AO

Squares and roots of 21237534240

• 21237534240 squared (21237534240²) is 451032860595172377600
• 21237534240 cubed (21237534240³) is 9578825820255120147982209024000
• The square root of 21237534240 is 145731.0338946375
• The cube root of 21237534240 is 2769.2874063535

Scales and comparisons

• 21,237,534,240 seconds is equal to 675 years, 14 weeks, 6 days, 19 hours, 4 minutes.
• To count from 1 to 21,237,534,240 would take you about one thousand, three hundred fifty 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 21237534240 cubic inches would be around 230.8 feet tall.

Recreational maths with 21237534240

• 21237534240 backwards is 04243573212
• The number of decimal digits it has is: 11
• The sum of 21237534240's digits is 33
• More coming soon!