21988805912640

Names of 21988805912640

• Cardinal: 21988805912640 can be written as Twenty-one trillion, nine hundred eighty-eight billion, eight hundred five million, nine hundred twelve thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.198880591264 × 10¹³

Factors of 21988805912640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 134734

Divisors of 21988805912640

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 23 24 28 30 32 35 36 40 42 45 46 48 56 60 63 64 69 70 72 80 84 90 92 96 105 112 115 120 126 138 140 144 160 161 168 180 184 192 207 210 224 230 240 252 276 280 288 315 320 322 336 345 353 360 368 414 420 448 460 480 483 504 552 560 576 630 644 672 690 706 720 736 805 828 840 920 960 966 1008 1035 1059 1104 1120 1260 1288 1344 1380 1412 1440 1449 1472 1610 1656 1680 1765 1840 1932 2016 2070 2118 2208 2240 2415 2471 2520 2576 2760 2824 2880 2898 3177 3220 3312 3360 3530 3680 3864 4032 4140 4236 4416 4830 4942 5040 5152 5295 5520 5648 5796 6354 6440 6624 6720 7060 7245 7360 7413 7728 8119 8280 8472 9660 9884 10080 10304 10590 11040 11296 11592 12355 12708 12880 13248 14120 14490 14826 15456 15885 16238 16560 16944 19320 19768 20160 21180 22080 22239 22592 23184 24357 24710 25416 25760 28240 28980 29652 30912 31770 32476 33120 33888 37065 38640 39536 40595 42360 44478 46368 48714 49420 50832 51520 56480 56833 57960 59304 63540 64952 66240 67776 73071 74130 77280 79072 81190 84720 88956 92736 97428 98840 101664 111195 112960 113666 115920 118608 121785 127080 129904 134341 146142 148260 154560 158144 162380 169440 170499 177912 194856 197680 203328 222390 227332 231840 237216 243570 254160 259808 268682 284165 292284 296520 324760 338880 340998 355824 365355 389712 395360 403023 444780 454664 463680 474432 487140 508320 511497 519616 537364 568330 584568 593040 649520 671705 681996 711648 730710 779424 790720 806046 852495 889560 909328 940387 974280 1016640 1022994 1074728 1136660 1169136 1186080 1209069 1299040 1343410 1363992 1423296 1461420 1558848 1612092 1704990 1779120 1818656 1880774 1948560 2015115 2045988 2149456 2273320 2338272 2372160 2418138 2557485 2598080 2686820 2727984 2821161 2922840 3089843 3224184 3409980 3558240 3637312 3761548 3897120 4030230 4091976 4298912 4546640 4676544 4701935 4836276 5114970 5373640 5455968 5642322 5845680 6045345 6179686 6448368 6819960 7116480 7523096 7794240 8060460 8183952 8463483 8597824 9093280 9269529 9403870 9672552 10229940 10747280 10911936 11284644 11691360 12090690 12359372 12896736 13639920 14105805 15046192 15449215 16120920 16367904 16926966 18186560 18539058 18807740 19345104 20459880 21494560 21628901 22569288 23382720 24181380 24718744 25793472 27279840 27808587 28211610 30092384 30898430 32241840 32735808 33853932 37078116 37615480 38690208 40919760 42317415 42989120 43257802 45138576 46347645 47422373 48362760 49437488 54559680 55617174 56423220 60184768 61796860 64483680 64886703 67707864 74156232 75230960 77380416 81839520 84634830 86515604 90277152 92695290 94844746 96725520 98874976 108144505 111234348 112846440 123593720 128967360 129773406 135415728 139042935 142267119 148312464 150461920 163679040 169269660 173031208 180554304 185390580 189689492 193451040 194660109 197749952 216289010 222468696 225692880 237111865 247187440 259546812 270831456 278085870 284534238 296624928 300923840 324433515 331956611 338539320 346062416 370781160 379378984 386902080 389320218 426801357 432578020 444937392 451385760 474223730 494374880 519093624 541662912 556171740 569068476 593249856 648867030 663913222 677078640 692124832 711335595 741562320 758757968 778640436 853602714 865156040 889874784 902771520 948447460 973300545 988749760 995869833 1038187248 1090714579 1112343480 1138136952 1297734060 1327826444 1354157280 1384249664 1422671190 1483124640 1517515936 1557280872 1659783055 1707205428 1730312080 1779749568 1896894920 1946601090 1991739666 2076374496 2134006785 2181429158 2224686960 2276273904 2595468120 2655652888 2708314560 2845342380 2966249280 2987609499 3035031872 3114561744 3272143737 3319566110 3414410856 3460624160 3793789840 3893202180 3983479332 4152748992 4268013570 4362858316 4449373920 4552547808 4979349165 5190936240 5311305776 5453572895 5690684760 5975218998 6229123488 6544287474 6639132220 6828821712 6921248320 7587579680 7635002053 7786404360 7966958664 8536027140 8725716632 8898747840 9105095616 9816431211 9958698330 10381872480 10622611552 10907145790 11381369520 11950437996 12458246976 13088574948 13278264440 13657643424 14938047495 15175159360 15270004106 15572808720 15933917328 16360718685 17072054280 17451433264 19632862422 19917396660 20763744960 21245223104 21814291580 22762739040 22905006159 23900875992 26177149896 26556528880 27315286848 29876094990 30540008212 31145617440 31867834656 32721437370 34144108560 34902866528 38175010265 39265724844 39834793320 43628583160 45525478080 45810012318 47801751984 49082156055 52354299792 53113057760 59752189980 61080016424 62291234880 63735669312 65442874740 68288217120 68715018477 69805733056 76350020530 78531449688 79669586640 87257166320 91620024636 95603503968 98164312110 104708599584 106226115520 114525030795 119504379960 122160032848 130885749480 136576434240 137430036954 152700041060 157062899376 159339173280 174514332640 183240049272 191207007936 196328624220 209417199168 229050061590 239008759920 244320065696 261771498960 274860073908 305400082120 314125798752 318678346560 343575092385 349028665280 366480098544 392657248440 458100123180 478017519840 488640131392 523542997920 549720147816 610800164240 628251597504 687150184770 732960197088 785314496880 916200246360 956035039680 1047085995840 1099440295632 1221600328480 1374300369540 1465920394176 1570628993760 1832400492720 2198880591264 2443200656960 2748600739080 3141257987520 3664800985440 4397761182528 5497201478160 7329601970880 10994402956320 21988805912640
• Sum of all divisors σ(n): 90451260596736
• Sum of proper divisors (its aliquot sum) s(n): 68462454684096
• 21988805912640 is an abundant number, because the sum of its proper divisors (68462454684096) is greater than itself. Its abundance is 46473648771456

Bases of 21988805912640

• Binary: 100111111111110101010111101110010100001000000₂
• Hexadecimal: 0x13FFAAF72840
• Base-36: 7SLINB0W0

Squares and roots of 21988805912640

• 21988805912640 squared (21988805912640²) is 483507585463751823311769600
• 21988805912640 cubed (21988805912640³) is 10631754454051636208835419966581407744000
• The square root of 21988805912640 is 4689222.3142691795
• The cube root of 21988805912640 is 28015.6400346585

Scales and comparisons

• 21,988,805,912,640 seconds is equal to 699,176 years, 4 days, 10 hours, 24 minutes.
• To count from 1 to 21,988,805,912,640 would take you about one million, seven hundred forty-seven thousand, nine hundred forty 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 21988805912640 cubic inches would be around 2334.6 feet tall.

Recreational maths with 21988805912640

• 21988805912640 backwards is 04621950888912
• 21988805912640 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21988805912640's digits is 63
• More coming soon!