21357997056

Names of 21357997056

• Cardinal: 21357997056 can be written as Twenty-one billion, three hundred fifty-seven million, nine hundred ninety-seven thousand and fifty-six.

Scientific notation

• Scientific notation: 2.1357997056 × 10¹⁰

Factors of 21357997056

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 33

Divisors of 21357997056

• Number of divisors d(n): 594
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 17 18 22 24 27 32 33 34 36 44 48 51 54 64 66 68 72 81 88 96 99 102 108 128 132 136 144 153 162 176 187 192 198 204 216 243 256 264 272 288 289 297 306 324 352 374 384 396 408 432 459 486 512 528 544 561 576 578 594 612 648 704 729 748 768 792 816 864 867 891 918 972 1024 1056 1088 1122 1152 1156 1188 1224 1296 1377 1408 1458 1496 1536 1584 1632 1683 1728 1734 1782 1836 1944 2112 2176 2187 2244 2304 2312 2376 2448 2592 2601 2673 2754 2816 2916 2992 3072 3168 3179 3264 3366 3456 3468 3564 3672 3888 4131 4224 4352 4374 4488 4608 4624 4752 4896 5049 5184 5202 5346 5508 5632 5832 5984 6336 6358 6528 6561 6732 6912 6936 7128 7344 7776 7803 8019 8262 8448 8704 8748 8976 9216 9248 9504 9537 9792 10098 10368 10404 10692 11016 11264 11664 11968 12393 12672 12716 13056 13122 13464 13824 13872 14256 14688 15147 15552 15606 16038 16524 16896 17408 17496 17952 18496 19008 19074 19584 20196 20736 20808 21384 22032 23328 23409 23936 24057 24786 25344 25432 26112 26244 26928 27648 27744 28512 28611 29376 30294 31104 31212 32076 33048 33792 34992 35904 36992 37179 38016 38148 39168 40392 41472 41616 42768 44064 45441 46656 46818 47872 48114 49572 50688 50864 52224 52488 53856 55488 57024 57222 58752 60588 62208 62424 64152 66096 69984 70227 71808 72171 73984 74358 76032 76296 78336 80784 82944 83232 85536 85833 88128 90882 93312 93636 95744 96228 99144 101376 101728 104976 107712 110976 111537 114048 114444 117504 121176 124416 124848 128304 132192 136323 139968 140454 143616 144342 147968 148716 152064 152592 156672 161568 166464 171072 171666 176256 181764 186624 187272 191488 192456 198288 203456 209952 210681 215424 221952 223074 228096 228888 235008 242352 248832 249696 256608 257499 264384 272646 279936 280908 287232 288684 295936 297432 304128 305184 323136 332928 342144 343332 352512 363528 373248 374544 384912 396576 406912 408969 419904 421362 430848 443904 446148 456192 457776 470016 484704 499392 513216 514998 528768 545292 559872 561816 574464 577368 594864 610368 632043 646272 665856 684288 686664 705024 727056 746496 749088 769824 772497 793152 813824 817938 839808 842724 861696 887808 892296 912384 915552 969408 998784 1026432 1029996 1057536 1090584 1119744 1123632 1154736 1189728 1220736 1226907 1264086 1292544 1331712 1368576 1373328 1410048 1454112 1498176 1539648 1544994 1586304 1627648 1635876 1679616 1685448 1723392 1784592 1831104 1896129 1938816 1997568 2052864 2059992 2115072 2181168 2239488 2247264 2309472 2317491 2379456 2441472 2453814 2528172 2585088 2663424 2737152 2746656 2908224 2996352 3079296 3089988 3172608 3255296 3271752 3359232 3370896 3569184 3662208 3792258 3877632 3995136 4105728 4119984 4230144 4362336 4494528 4618944 4634982 4758912 4882944 4907628 5056344 5170176 5493312 5816448 5992704 6158592 6179976 6345216 6543504 6718464 6741792 6952473 7138368 7324416 7584516 7755264 7990272 8211456 8239968 8724672 8989056 9237888 9269964 9517824 9765888 9815256 10112688 10986624 11632896 11985408 12317184 12359952 12690432 13087008 13483584 13904946 14276736 14648832 15169032 15510528 16479936 17449344 17978112 18475776 18539928 19035648 19630512 20225376 20857419 21973248 23265792 23970816 24634368 24719904 26174016 26967168 27809892 28553472 29297664 30338064 32959872 34898688 35956224 36951552 37079856 38071296 39261024 40450752 41714838 43946496 46531584 49439808 52348032 53934336 55619784 57106944 60676128 65919744 69797376 71912448 73903104 74159712 78522048 80901504 83429676 87892992 98879616 104696064 107868672 111239568 114213888 121352256 131839488 139594752 148319424 157044096 161803008 166859352 197759232 209392128 215737344 222479136 242704512 263678976 296638848 314088192 323606016 333718704 395518464 418784256 444958272 485409024 593277696 628176384 647212032 667437408 791036928 889916544 970818048 1186555392 1256352768 1334874816 1779833088 1941636096 2373110784 2669749632 3559666176 5339499264 7119332352 10678998528 21357997056
• Sum of all divisors σ(n): 74212437468
• Sum of proper divisors (its aliquot sum) s(n): 52854440412
• 21357997056 is an abundant number, because the sum of its proper divisors (52854440412) is greater than itself. Its abundance is 31496443356

Bases of 21357997056

• Binary: 10011111001000010010010110000000000₂
• Hexadecimal: 0x4F9092C00
• Base-36: 9T80000

Squares and roots of 21357997056

• 21357997056 squared (21357997056²) is 456164038244104667136
• 21357997056 cubed (21357997056³) is 9742750185870658890046547951616
• The square root of 21357997056 is 146143.7547622203
• The cube root of 21357997056 is 2774.5134901671

Scales and comparisons

• 21,357,997,056 seconds is equal to 679 years, 6 weeks, 1 day, 57 minutes, 36 seconds.
• To count from 1 to 21,357,997,056 would take you about one thousand, three hundred fifty-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 21357997056 cubic inches would be around 231.2 feet tall.

Recreational maths with 21357997056

• 21357997056 backwards is 65079975312
• 21357997056 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21357997056's digits is 54
• More coming soon!