21455883017920

Names of 21455883017920

• Cardinal: 21455883017920 can be written as Twenty-one trillion, four hundred fifty-five billion, eight hundred eighty-three million, seventeen thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.145588301792 × 10¹³

Factors of 21455883017920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1026

Divisors of 21455883017920

• Number of divisors d(n): 896
• Complete list of divisors:
  1 2 4 5 8 10 13 16 17 20 23 26 32 34 40 46 52 64 65 68 80 85 89 92 104 115 130 136 160 169 170 178 184 208 221 230 260 272 299 320 338 340 356 368 391 416 442 445 460 520 544 598 676 680 712 736 782 832 845 877 884 890 920 1040 1088 1105 1157 1196 1352 1360 1424 1472 1495 1513 1564 1690 1754 1768 1780 1840 1955 2047 2080 2197 2210 2314 2392 2704 2720 2848 2873 2990 3026 3128 3380 3508 3536 3560 3680 3887 3910 4094 4160 4385 4394 4420 4628 4784 5083 5408 5440 5696 5746 5785 5980 6052 6256 6760 7016 7072 7120 7360 7565 7774 7820 8188 8770 8788 8840 9256 9568 10166 10235 10816 10985 11401 11492 11570 11960 12104 12512 13520 14032 14144 14240 14365 14909 15041 15130 15548 15640 16376 17540 17576 17680 18512 19136 19435 19669 20171 20332 20470 21970 22802 22984 23140 23920 24208 25024 25415 26611 27040 28064 28480 28730 29818 30082 30260 31096 31280 32752 34799 35080 35152 35360 37024 37349 38870 39338 40342 40664 40940 43940 45604 45968 46280 47840 48416 50531 50830 53222 54080 56128 57005 57460 59636 60164 60520 62192 62560 65504 66079 69598 70160 70304 70720 74048 74545 74698 75205 77740 78053 78676 80684 81328 81880 87880 91208 91936 92560 95680 96832 98345 100855 101062 101660 106444 114010 114920 119272 120328 121040 124384 125120 131008 132158 133055 139196 140320 140608 148213 149090 149396 150410 155480 156106 157352 161368 162656 163760 173995 175760 182416 183872 185120 186745 193817 195533 196690 201710 202124 203320 212888 228020 229840 238544 240656 242080 248768 252655 255697 262223 264316 266110 278392 280640 296426 298180 298792 300820 310960 312212 314704 322736 325312 327520 330395 342907 345943 347990 351520 364832 370240 373490 387634 390265 391066 393380 403420 404248 406640 425776 452387 456040 459680 477088 481312 484160 505310 511394 524446 528632 532220 556784 592852 596360 597584 601640 621920 624424 629408 645472 655040 660790 685814 691886 695980 703040 729664 741065 746980 775268 780530 782132 786760 806840 808496 813280 851552 859027 904774 912080 919360 954176 962624 969085 977665 1010620 1014689 1022788 1048892 1057264 1064440 1113568 1185704 1192720 1195168 1203280 1243840 1248848 1258816 1278485 1290944 1311115 1321580 1326901 1371628 1383772 1391960 1482130 1493960 1550536 1561060 1564264 1573520 1613680 1616992 1626560 1703104 1714535 1718054 1729715 1795219 1809548 1824160 1926769 1938170 1955330 2021240 2029378 2045576 2097784 2114528 2128880 2227136 2261935 2371408 2385440 2390336 2406560 2497696 2519621 2556970 2622230 2643160 2653802 2743256 2767544 2783920 2964260 2987920 3101072 3122120 3128528 3147040 3227360 3233984 3324061 3408899 3429070 3436108 3459430 3590438 3619096 3648320 3853538 3876340 3910660 4042480 4058756 4091152 4195568 4229056 4257760 4295135 4457791 4497259 4523870 4742816 4770880 4813120 4995392 5039242 5073445 5113940 5244460 5286320 5307604 5486512 5535088 5567840 5881031 5928520 5975840 6202144 6244240 6257056 6294080 6454720 6634505 6648122 6817798 6858140 6872216 6918860 7180876 7238192 7707076 7752680 7821320 8084960 8117512 8182304 8391136 8515520 8590270 8915582 8976095 8994518 9047740 9485632 9633845 10078484 10146890 10227880 10488920 10572640 10615208 10973024 11070176 11135680 11762062 11857040 11951680 12404288 12488480 12514112 12598105 13190957 13269010 13296244 13635596 13716280 13744432 13837720 14361752 14476384 15414152 15505360 15642640 16169920 16235024 16364608 16620305 16782272 17044495 17180540 17249713 17831164 17952190 17989036 18095480 19267690 20156968 20293780 20455760 20977840 21145280 21230416 21946048 22140352 22288955 22486295 23337847 23524124 23714080 24976960 25196210 26381914 26538020 26592488 27271192 27432560 27488864 27675440 28723504 28952768 29405155 30518723 30828304 31010720 31285280 32470048 32755073 33240610 34088990 34361080 34499426 35662328 35904380 35978072 36190960 38535380 40313936 40587560 40911520 41955680 42460832 44315687 44577910 44972590 46675694 47048248 47428160 50392420 52763828 53076040 53184976 54542384 54865120 54977728 55350880 57447008 57951283 58810310 61037446 61656608 62021440 62570560 64940096 65510146 65954785 66481220 68177980 68722160 68998852 71324656 71808760 71956144 72381920 76453403 77070760 80627872 81175120 81823040 83911360 84921664 86248565 88631374 89155820 89945180 93351388 94096496 100784840 105527656 106152080 106369952 109084768 109730240 110701760 114894016 115902566 116689235 117620620 122074892 123313216 131020292 131909570 132962440 136355960 137444320 137997704 142649312 143617520 143912288 144763840 152593615 152906806 154141520 161255744 162350240 163775365 171482441 172497130 177262748 178311640 179890360 186702776 188192992 201569680 211055312 212304160 212739904 218169536 221578435 224246269 231805132 233378470 235241240 244149784 262040584 263819140 265924880 272711920 274888640 275995408 285298624 287235040 287824576 289756415 303392011 305187230 305813612 308283040 324700480 327550730 342964882 344994260 354525496 356623280 359780720 373405552 376385984 382267015 396743399 403139360 422110624 424608320 443156870 448492538 463610264 466756940 470482480 488299568 524081168 527638280 531849760 545423840 551990816 574470080 579512830 606784022 610374460 611627224 616566080 655101460 685929764 689988520 709050992 713246560 719561440 746811104 753366679 764534030 793486798 806278720 844221248 857412205 886313740 896985076 927220528 933513880 940964960 976599136 1048162336 1055276560 1063699520 1090847680 1103981632 1121231345 1159025660 1213568044 1220748920 1223254448 1310202920 1371859528 1379977040 1418101984 1426493120 1439122880 1493622208 1506733358 1516960055 1529068060 1586973596 1714824410 1772627480 1793970152 1854441056 1867027760 1881929920 1953198272 1983716995 2096324672 2110553120 2242462690 2318051320 2427136088 2441497840 2446508896 2620405840 2743719056 2759954080 2836203968 2915201497 3013466716 3033920110 3058136120 3173947192 3429648820 3545254960 3587940304 3708882112 3734055520 3766833395 3944096143 3967433990 4221106240 4484925380 4636102640 4854272176 4882995680 4893017792 5157664187 5240811680 5487438112 5519908160 5830402994 6026933432 6067840220 6116272240 6347894384 6859297640 7090509920 7175880608 7468111040 7533666790 7888192286 7934867980 8969850760 9272205280 9708544352 9765991360 10315328374 10481623360 10974876224 11660805988 12053866864 12135680440 12232544480 12695788768 13718595280 14181019840 14351761216 14576007485 15067333580 15776384572 15869735960 17939701520 18544410560 19417088704 19720480715 20630656748 23321611976 24107733728 24271360880 24465088960 25391577536 25788320935 27437190560 29152014970 30134667160 31552769144 31739471920 35879403040 39440961430 41261313496 46643223952 48215467456 48542721760 51576641870 54874381120 58304029940 60269334320 63105538288 63478943840 67049634431 71758806080 78881922860 82522626992 93286447904 97085443520 103153283740 116608059880 120538668640 126211076576 126957887680 134099268862 157763845720 165045253984 186572895808 206306567480 233216119760 241077337280 252422153152 268198537724 315527691440 330090507968 335248172155 412613134960 466432239520 536397075448 631055382880 670496344310 825226269920 932864479040 1072794150896 1262110765760 1340992688620 1650452539840 2145588301792 2681985377240 4291176603584 5363970754480 10727941508960 21455883017920
• Sum of all divisors σ(n): 61908844838400
• Sum of proper divisors (its aliquot sum) s(n): 40452961820480
• 21455883017920 is an abundant number, because the sum of its proper divisors (40452961820480) is greater than itself. Its abundance is 18997078802560

Bases of 21455883017920

• Binary: 100111000001110010110010010010001111011000000₂
• Hexadecimal: 0x138396491EC0
• Base-36: 7LSP2RVLS

Squares and roots of 21455883017920

• 21455883017920 squared (21455883017920²) is 460354916078667847041126400
• 21455883017920 cubed (21455883017920³) is 9877321226108276218106032045588185088000
• The square root of 21455883017920 is 4632049.5483014861
• The cube root of 21455883017920 is 27787.4566093961

Scales and comparisons

• 21,455,883,017,920 seconds is equal to 682,230 years, 37 weeks, 8 hours, 58 minutes, 40 seconds.
• To count from 1 to 21,455,883,017,920 would take you about one million, seven hundred five thousand, five hundred seventy-six 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 21455883017920 cubic inches would be around 2315.6 feet tall.

Recreational maths with 21455883017920

• 21455883017920 backwards is 02971038855412
• The number of decimal digits it has is: 14
• The sum of 21455883017920's digits is 55
• More coming soon!