21013213994080

Names of 21013213994080

• Cardinal: 21013213994080 can be written as Twenty-one trillion, thirteen billion, two hundred thirteen million, nine hundred ninety-four thousand and eighty.

Scientific notation

• Scientific notation: 2.101321399408 × 10¹³

Factors of 21013213994080

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1558

Divisors of 21013213994080

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 40 44 49 55 56 70 71 77 80 88 98 110 112 140 142 154 160 176 196 220 224 245 280 284 308 343 352 355 385 392 440 490 497 521 539 560 568 616 686 710 770 781 784 880 941 980 994 1042 1078 1120 1136 1232 1372 1420 1540 1562 1568 1715 1760 1882 1960 1988 2084 2156 2272 2464 2485 2605 2695 2744 2840 3080 3124 3430 3479 3647 3764 3773 3905 3920 3976 4168 4312 4705 4970 5210 5390 5467 5488 5680 5731 6160 6248 6587 6860 6958 7294 7528 7546 7810 7840 7952 8336 8624 9410 9940 10351 10420 10780 10934 10976 11360 11462 12320 12496 13174 13720 13916 14588 15056 15092 15620 15904 16672 17248 17395 18235 18820 18865 19880 20702 20840 21560 21868 22924 24353 24992 25529 26348 27335 27440 27832 28655 29176 30112 30184 31240 32935 34790 36470 36991 37640 37730 38269 39760 40117 41404 41680 43120 43736 45848 46109 48706 51058 51755 52696 54670 54880 55664 57310 58352 60368 62480 65870 66811 69580 72457 72940 73982 75280 75460 76538 79520 80234 82808 83360 86240 87472 91696 92218 97412 102116 103510 105392 109340 111328 114620 116704 120736 121765 124960 127645 131740 133622 139160 144914 145880 147964 150560 150920 153076 160468 165616 174944 178703 183392 184436 184955 191345 194824 200585 204232 207020 210784 218680 229240 230545 243530 255290 258937 263480 267244 267883 278320 280819 289828 291760 295928 301840 306152 320936 322763 331232 334055 357406 362285 368872 369910 382690 389648 401170 406901 408464 414040 437360 458480 461090 467677 487060 490261 507199 510580 517874 526960 534488 535766 556640 561638 579656 583520 591856 603680 612304 641872 645526 668110 714812 724570 734921 737744 739820 765380 779296 802340 813802 816928 828080 874720 893515 916960 922180 935354 974120 980522 1014398 1021160 1035748 1053920 1068976 1071532 1123276 1159312 1183712 1224608 1283744 1291052 1294685 1336220 1339415 1404095 1429624 1449140 1469842 1475488 1479640 1530760 1604680 1613815 1627604 1656160 1787030 1812559 1844360 1870708 1948240 1961044 1965733 2028796 2034505 2042320 2071496 2137952 2143064 2246552 2318624 2338385 2451305 2535995 2582104 2589370 2672440 2678830 2808190 2848307 2859248 2898280 2939684 2959280 3061520 3209360 3227630 3255208 3273739 3431827 3550393 3574060 3625118 3674605 3688720 3741416 3896480 3922088 3931466 4057592 4069010 4084640 4142992 4286128 4493104 4676770 4902610 5071990 5144447 5164208 5178740 5344880 5357660 5392871 5616380 5696614 5718496 5796560 5879368 5918560 6123040 6418720 6455260 6510416 6547478 6863654 7100786 7148120 7250236 7349210 7377440 7482832 7844176 7862932 8115184 8138020 8285984 8572256 8986208 9062795 9353540 9805220 9828665 10143980 10288894 10328416 10357480 10689760 10715320 10785742 11232760 11393228 11593120 11758736 12687913 12910520 13020832 13094956 13727308 14201572 14241535 14296240 14500472 14698420 14965664 15688352 15725864 16230368 16276040 16368695 17159135 17751965 18125590 18707080 19610440 19657330 19938149 20287960 20577788 20714960 21430640 21571484 22465520 22786456 22916173 23517472 24022789 25375826 25722235 25821040 26189912 26964355 27454616 28403144 28483070 28592480 29000944 29396840 31451728 32552080 32737390 34318270 34808531 35503930 36011129 36251180 37414160 37750097 39220880 39314660 39876298 40575920 41155576 41429920 42861280 43142968 44931040 45572912 45832346 48045578 50751652 51444470 51642080 52379824 53928710 54909232 56806288 56966140 58001888 58793680 62903456 63439565 65104160 65474780 68636540 69617062 71007860 72022258 72502360 74828320 75500194 78441760 78629320 79752596 81151840 82311152 86285936 91145824 91664692 96091156 99690745 101503304 102888940 104759648 107857420 109818464 113612576 113932280 114580865 117587360 120113945 126879130 130949560 137273080 139234124 139567043 142015720 144044516 145004720 151000388 157258640 159505192 164622304 168159523 172571872 174042655 180055645 183329384 188750485 192182312 199381490 203006608 205777880 215714840 227864560 229161730 240227890 243659717 252077903 253758260 261899120 264250679 274546160 278468248 279134086 284031440 288089032 290009440 302000776 314517280 319010384 336319046 348085310 360111290 366658768 377500970 382893841 384364624 398762980 406013216 411555760 431429680 455729120 458323460 480455780 487319434 504155806 507516520 523798240 528501358 549092320 556936496 558268172 568062880 576178064 604001552 638020768 672638092 696170620 697835215 720222580 733317536 755001940 765787682 768729248 797525960 823111520 840797615 862859360 916646920 960911560 974638868 1008311612 1015033040 1057002716 1113872992 1116536344 1152356128 1208003104 1218298585 1260389515 1321253395 1345276184 1392341240 1395670430 1440445160 1510003880 1531575364 1595051920 1681595230 1705618019 1833293840 1849754753 1914469205 1921823120 1949277736 2016623224 2030066080 2114005432 2233072688 2436597170 2520779030 2642506790 2680256887 2690552368 2784682480 2791340860 2880890320 3020007760 3063150728 3190103840 3363190460 3411236038 3666587680 3699509506 3828938410 3843646240 3898555472 4033246448 4228010864 4466145376 4873194340 5041558060 5285013580 5360513774 5381104736 5569364960 5582681720 5761780640 6040015520 6126301456 6726380920 6822472076 7399019012 7657876820 7797110944 8066492896 8456021728 8528090095 9248773765 9746388680 10083116120 10570027160 10721027548 11165363440 11939326133 12252602912 13401284435 13452761840 13644944152 14798038024 15315753640 17056180190 18497547530 18761798209 19492777360 20166232240 21140054320 21442055096 22330726880 23878652266 26802568870 26905523680 27289888304 29596076048 30631507280 34112360380 36995095060 37523596418 38985554720 40332464480 42280108640 42884110192 47757304532 53605137740 54579776608 59192152096 59696630665 61263014560 68224720760 73990190120 75047192836 85768220384 93808991045 95514609064 107210275480 119393261330 131332587463 136449441520 147980380240 150094385672 187617982090 191029218128 214420550960 238786522660 262665174926 272898883040 295960760480 300188771344 375235964180 382058436256 428841101920 477573045320 525330349852 600377542688 656662937315 750471928360 955146090640 1050660699704 1313325874630 1500943856720 1910292181280 2101321399408 2626651749260 3001887713440 4202642798816 5253303498520 10506606997040 21013213994080
• Sum of all divisors σ(n): 64237249843200
• Sum of proper divisors (its aliquot sum) s(n): 43224035849120
• 21013213994080 is an abundant number, because the sum of its proper divisors (43224035849120) is greater than itself. Its abundance is 22210821855040

Bases of 21013213994080

• Binary: 100110001110010000101001001111101110001100000₂
• Hexadecimal: 0x131C8527DC60
• Base-36: 7G5C52ESG

Squares and roots of 21013213994080

• 21013213994080 squared (21013213994080²) is 441555162360999546275046400
• 21013213994080 cubed (21013213994080³) is 9278493116882422158603335549181325312000
• The square root of 21013213994080 is 4584017.2331787761
• The cube root of 21013213994080 is 27595.0272818783

Scales and comparisons

• 21,013,213,994,080 seconds is equal to 668,155 years, 10 weeks, 5 days, 7 hours, 14 minutes, 40 seconds.
• To count from 1 to 21,013,213,994,080 would take you about one million, six hundred seventy thousand, three hundred eighty-eight 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 21013213994080 cubic inches would be around 2299.6 feet tall.

Recreational maths with 21013213994080

• 21013213994080 backwards is 08049931231012
• The number of decimal digits it has is: 14
• The sum of 21013213994080's digits is 43
• More coming soon!