21551431296240

Names of 21551431296240

• Cardinal: 21551431296240 can be written as Twenty-one trillion, five hundred fifty-one billion, four hundred thirty-one million, two hundred ninety-six thousand, two hundred forty.

Scientific notation

• Scientific notation: 2.155143129624 × 10¹³

Factors of 21551431296240

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 232381

Divisors of 21551431296240

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 27 30 34 36 40 45 48 51 54 60 68 72 80 81 85 90 102 108 120 135 136 144 153 162 170 180 204 216 240 243 255 270 272 281 306 324 340 360 405 408 432 459 486 510 540 562 612 648 680 720 765 810 816 843 918 972 1020 1080 1124 1215 1224 1296 1360 1377 1405 1530 1620 1686 1836 1944 2040 2160 2248 2295 2430 2448 2529 2754 2810 3060 3240 3372 3672 3888 4080 4131 4215 4496 4590 4777 4860 5058 5508 5620 6120 6480 6744 6885 7344 7587 8262 8430 9180 9554 9720 10116 11016 11240 12240 12645 13488 13770 14331 15174 16524 16860 18360 19108 19440 20232 20655 22032 22480 22761 23885 25290 27540 28662 30348 33048 33720 36720 37935 38216 40464 41310 42993 45522 47770 50580 55080 57324 60696 66096 67440 68283 71655 75870 76432 82620 85986 91044 95540 101160 110160 113805 114648 121392 128979 136566 143310 151740 165240 171972 182088 191080 202320 214965 227610 229296 232073 257958 273132 286620 303480 330480 341415 343944 364176 382160 386937 429930 455220 464146 515916 546264 573240 606960 644895 682830 687888 696219 773874 859860 910440 928292 1031832 1092528 1146480 1160365 1160811 1289790 1365660 1392438 1547748 1719720 1820880 1856584 1934685 2063664 2088657 2320730 2321622 2579580 2731320 2784876 3095496 3439440 3481095 3713168 3869370 3945241 4177314 4641460 4643244 5159160 5462640 5569752 5804055 6190992 6265971 6962190 7738740 7890482 8354628 9282920 9286488 10318320 10443285 11139504 11608110 11835723 12531942 13924380 15477480 15780964 16709256 18565840 18572976 18797913 19726205 20886570 23216220 23671446 25063884 27848760 30954960 31329855 31561928 33418512 35507169 37595826 39452410 41773140 46432440 47342892 50127768 55697520 56393739 59178615 62659710 63123856 65212513 71014338 75191652 78904820 83546280 92864880 93989565 94685784 100255536 106521507 112787478 118357230 125319420 130425026 142028676 150383304 157809640 167092560 177535845 187979130 189371568 195637539 213043014 225574956 236714460 250638840 260850052 281968695 284057352 300766608 315619280 319564521 326062565 355071690 375958260 391275078 426086028 451149912 473428920 501277680 521700104 532607535 563937390 568114704 586912617 639129042 652125130 710143380 751916520 782550156 852172056 902299824 946857840 958693563 978187695 1043400208 1065215070 1108612721 1127874780 1173825234 1278258084 1304250260 1420286760 1503833040 1565100312 1597822605 1704344112 1760737851 1917387126 1956375390 2130430140 2217225442 2255749560 2347650468 2556516168 2608500520 2840573520 2934563085 3130200624 3195645210 3325838163 3521475702 3834774252 3912750780 4260860280 4434450884 4511499120 4695300936 4793467815 5113032336 5217001040 5282213553 5543063605 5869126170 6391290420 6651676326 7042951404 7669548504 7825501560 8521720560 8803689255 8868901768 9390601872 9586935630 9977514489 10564427106 11086127210 11738252340 12782580840 13303352652 14085902808 15339097008 15651003120 15846640659 16629190815 17607378510 17737803536 19173871260 19955028978 21128854212 22172254420 23476504680 25565161680 26411067765 26606705304 28171805616 29932543467 31693281318 33258381630 35214757020 38347742520 39910057956 42257708424 44344508840 46953009360 49887572445 52822135530 53213410608 59865086934 63386562636 66516763260 70429514040 76695485040 79233203295 79820115912 84515416848 88689017680 89797630401 99775144890 105644271060 119730173868 126773125272 133033526520 140859028080 149662717335 158466406590 159640231824 179595260802 199550289780 211288542120 239460347736 253546250544 266067053040 269392891203 299325434670 316932813180 359190521604 399100579560 422577084240 448988152005 478920695472 538785782406 598650869340 633865626360 718381043208 798201159120 897976304010 1077571564812 1197301738680 1267731252720 1346964456015 1436762086416 1795952608020 2155143129624 2394603477360 2693928912030 3591905216040 4310286259248 5387857824060 7183810432080 10775715648120 21551431296240
• Sum of all divisors σ(n): 79755828175296
• Sum of proper divisors (its aliquot sum) s(n): 58204396879056
• 21551431296240 is an abundant number, because the sum of its proper divisors (58204396879056) is greater than itself. Its abundance is 36652965582816

Bases of 21551431296240

• Binary: 100111001100111010101011010000010010011110000₂
• Hexadecimal: 0x1399D56824F0
• Base-36: 7N0L9R300

Squares and roots of 21551431296240

• 21551431296240 squared (21551431296240²) is 464464190916552926638137600
• 21551431296240 cubed (21551431296240³) is 10009868100101789073409523442187482624000
• The square root of 21551431296240 is 4642351.9143037833
• The cube root of 21551431296240 is 27828.6436375551

Scales and comparisons

• 21,551,431,296,240 seconds is equal to 685,268 years, 44 weeks, 2 days, 5 hours, 24 minutes.
• To count from 1 to 21,551,431,296,240 would take you about one million, seven hundred thirteen thousand, one hundred seventy-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 21551431296240 cubic inches would be around 2319.1 feet tall.

Recreational maths with 21551431296240

• 21551431296240 backwards is 04269213415512
• 21551431296240 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21551431296240's digits is 45
• More coming soon!