21109575240

Names of 21109575240

• Cardinal: 21109575240 can be written as Twenty-one billion, one hundred nine million, five hundred seventy-five thousand, two hundred forty.

Scientific notation

• Scientific notation: 2.110957524 × 10¹⁰

Factors of 21109575240

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 388

Divisors of 21109575240

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 17 18 20 24 26 27 30 31 34 36 39 40 45 51 52 54 60 62 65 68 72 78 81 85 90 93 102 104 108 117 120 124 130 135 136 153 155 156 162 170 180 186 195 204 216 221 234 243 248 255 260 270 279 306 310 312 317 324 340 351 360 372 390 403 405 408 442 459 465 468 486 510 520 527 540 558 585 612 620 634 648 663 680 702 744 765 780 806 810 837 884 918 930 936 951 972 1020 1053 1054 1080 1105 1116 1170 1209 1215 1224 1240 1268 1326 1377 1395 1404 1530 1560 1581 1585 1612 1620 1674 1755 1768 1836 1860 1902 1944 1989 2015 2040 2106 2108 2210 2232 2295 2340 2418 2430 2511 2536 2635 2652 2754 2790 2808 2853 3060 3159 3162 3170 3224 3240 3315 3348 3510 3627 3672 3720 3804 3978 4030 4121 4131 4185 4212 4216 4420 4590 4680 4743 4755 4836 4860 5022 5265 5270 5304 5389 5508 5580 5706 5967 6045 6120 6318 6324 6340 6630 6696 6851 6885 7020 7254 7533 7608 7905 7956 8060 8242 8262 8370 8424 8559 8840 9180 9486 9510 9672 9720 9827 9945 10044 10530 10540 10778 10881 11016 11160 11412 11934 12090 12363 12555 12636 12648 12680 13260 13702 13770 14040 14229 14265 14508 15066 15795 15810 15912 16120 16167 16484 16524 16740 17118 17901 18135 18360 18972 19020 19654 19890 20088 20553 20605 20655 21060 21080 21556 21762 22824 23715 23868 24180 24726 25110 25272 25677 26520 26945 27404 27540 28458 28530 29016 29481 29835 30132 31590 31620 32334 32643 32968 33048 33480 34236 34255 35802 36270 37089 37665 37944 38040 39308 39780 41106 41210 41310 42120 42687 42795 43112 43524 47430 47736 48360 48501 49135 49452 50220 51354 53703 53890 54405 54808 55080 56916 57060 58962 59670 60264 61659 61815 63180 63240 64668 65286 68472 68510 70057 71145 71604 72540 74178 75330 77031 78616 79560 80835 82212 82420 82620 85374 85590 87048 88443 89505 94860 97002 97929 98270 98904 100440 102708 102765 107406 107780 108810 111267 113832 114120 117924 119340 123318 123630 126360 127751 128061 128385 129336 130572 137020 140114 142290 143208 145080 145503 147405 148356 150660 154062 161670 163215 164424 164840 165240 167059 170748 171180 176886 179010 184977 185445 189720 194004 195858 196540 205416 205530 210171 213435 214812 215560 217620 222534 235848 238680 242505 246636 247260 255502 256122 256770 261144 265329 268515 274040 280228 284580 291006 294810 296712 301320 308124 308295 323340 326430 333801 334118 341496 342360 350285 353772 358020 369954 370890 383253 385155 388008 391716 393080 411060 420342 426870 429624 435240 436509 442215 445068 485010 489645 493272 494520 501177 511004 512244 513540 530658 537030 554931 556335 560456 569160 582012 589620 616248 616590 630513 638755 640305 646680 652860 667602 668236 700570 707544 716040 727515 739908 741780 766506 770310 783432 795987 822120 835295 840684 853740 873018 884430 890136 924885 970020 979290 1001403 1002354 1022008 1024488 1027080 1050855 1061316 1074060 1109862 1112670 1149759 1164024 1179240 1233180 1261026 1277510 1280610 1305720 1309527 1326645 1335204 1336472 1401140 1455030 1479816 1483560 1503531 1533012 1540620 1591974 1664793 1669005 1670590 1681368 1707480 1746036 1768860 1849770 1891539 1916265 1940040 1958580 2002806 2004708 2101710 2122632 2148120 2171767 2182545 2219724 2225340 2299518 2387961 2466360 2505885 2522052 2555020 2561220 2619054 2653290 2670408 2774655 2802280 2910060 3007062 3066024 3081240 3152565 3183948 3329586 3338010 3341180 3449277 3492072 3537720 3699540 3783078 3832530 3917160 3979935 4005612 4009416 4203420 4343534 4365090 4439448 4450680 4510593 4599036 4775922 5007015 5011770 5044104 5110040 5122440 5238108 5306580 5549310 5674617 5748795 5820120 6014124 6305130 6367896 6515301 6547635 6659172 6676020 6682360 6898554 7399080 7517655 7566156 7665060 7959870 8011224 8323965 8406840 8687068 8730180 9021186 9198072 9457695 9551844 10014030 10023540 10347831 10476216 10613160 10858835 11098620 11349234 11497590 11939805 12028248 12610260 13030602 13095270 13318344 13352040 13531779 13797108 15035310 15132312 15330120 15919740 16647930 17023851 17246385 17374136 17460360 18042372 18915390 19103688 19545903 20028060 20047080 20695662 21717670 22197240 22552965 22698468 22995180 23879610 25220520 26061204 26190540 27063558 27594216 28373085 30070620 31043493 31839480 32576505 33295860 34047702 34492770 36084744 37830780 39091806 40056120 40595337 41391324 43435340 45105930 45396936 45990360 47759220 51739155 52122408 52381080 54127116 56746170 58637709 60141240 62086986 65153010 66591720 67658895 68095404 68985540 75661560 78183612 81190674 82782648 85119255 86870680 90211860 95518440 97729515 103478310 108254232 113492340 117275418 124173972 130306020 135317790 136190808 137971080 155217465 156367224 162381348 170238510 175913127 180423720 195459030 202976685 206956620 226984680 234550836 248347944 260612040 270635580 293188545 310434930 324762696 340477020 351826254 390918060 405953370 413913240 469101672 527739381 541271160 586377090 620869860 680954040 703652508 781836120 811906740 879565635 1055478762 1172754180 1241739720 1407305016 1623813480 1759131270 2110957524 2345508360 2638696905 3518262540 4221915048 5277393810 7036525080 10554787620 21109575240
• Sum of all divisors σ(n): 84008171520
• Sum of proper divisors (its aliquot sum) s(n): 62898596280
• 21109575240 is an abundant number, because the sum of its proper divisors (62898596280) is greater than itself. Its abundance is 41789021040

Bases of 21109575240

• Binary: 10011101010001110101000111001001000₂
• Hexadecimal: 0x4EA3A8E48
• Base-36: 9P43GI0

Squares and roots of 21109575240

• 21109575240 squared (21109575240²) is 445614166813221057600
• 21109575240 cubed (21109575240³) is 9406725782353600942159573824000
• The square root of 21109575240 is 145291.3460602523
• The cube root of 21109575240 is 2763.7144223091

Scales and comparisons

• 21,109,575,240 seconds is equal to 671 years, 11 weeks, 2 days, 18 hours, 54 minutes.
• To count from 1 to 21,109,575,240 would take you about one thousand, three hundred forty-two 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 21109575240 cubic inches would be around 230.3 feet tall.

Recreational maths with 21109575240

• 21109575240 backwards is 04257590112
• 21109575240 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21109575240's digits is 36
• More coming soon!