21396391485100880

Names of 21396391485100880

• Cardinal: 21396391485100880 can be written as Twenty-one quadrillion, three hundred ninety-six trillion, three hundred ninety-one billion, four hundred eighty-five million, one hundred thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 2.139639148510088 × 10¹⁶

Factors of 21396391485100880

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 606104

Divisors of 21396391485100880

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 5 8 10 16 20 23 40 41 46 73 80 82 92 115 146 164 184 205 230 292 328 365 368 410 460 584 656 730 820 920 943 1168 1460 1640 1679 1840 1886 2920 2993 3280 3358 3772 4715 5840 5986 6481 6716 7544 8395 9430 11972 12962 13432 14965 15088 16790 18860 23944 25924 26864 29930 32405 33580 37720 47888 51848 59860 64810 67160 68839 75440 103696 119720 129620 134320 137678 149063 239440 259240 265721 275356 298126 344195 473113 518480 531442 550712 596252 599479 688390 745315 946226 1062884 1101424 1192504 1198958 1328605 1376780 1490630 1892452 2125768 2365565 2385008 2397916 2657210 2753560 2981260 2997395 3784904 4251536 4731130 4795832 5314420 5507120 5962520 5994790 6111583 7569808 9462260 9591664 10628840 10881599 11925040 11989580 12223166 13788017 18924520 19397633 21257680 21763198 23979160 24446332 24578639 27576034 30557915 37849040 38795266 43526396 43761967 47958320 48892664 49157278 54407995 55152068 61115830 68940085 77590532 87052792 87523934 96988165 97785328 98314556 108815990 110304136 122231660 122893195 137880170 155181064 174105584 175047868 193976330 196629112 217631980 218809835 220608272 244463320 245786390 275760340 310362128 350095736 387952660 393258224 435263960 437619670 446145559 488926640 491572780 551520680 565308697 700191472 775905320 870527920 875239340 892291118 983145560 1006525241 1103041360 1130617394 1551810640 1750478680 1784582236 1794240647 1966291120 2013050482 2230727795 2261234788 2826543485 3500957360 3569164472 3588481294 3885223399 4026100964 4461455590 4522469576 5032626205 5653086970 7138328944 7176962588 7770446798 8052201928 8922911180 8971203235 9044939152 10065252410 11306173940 14353925176 15540893596 16104403856 17845822360 17942406470 19426116995 20130504820 22612347880 28707850352 31081787192 35691644720 35884812940 38852233990 40261009640 41267534881 45224695760 62163574384 71769625880 77704467980 80522019280 82535069762 89360138177 143539251760 155408935960 159294159359 165070139524 178720276354 206337674405 283621308127 310817871920 318588318718 330140279048 357440552708 412675348810 446800690885 567242616254 637176637436 660280558096 714881105416 796470796795 825350697620 893601381770 1134485232508 1274353274872 1418106540635 1429762210832 1592941593590 1650701395240 1787202763540 2268970465016 2548706549744 2836213081270 3185883187180 3301402790480 3574405527080 3663765665257 4537940930032 5672426162540 6371766374360 6523290086921 7148811054160 7327531330514 11344852325080 11628473633207 12743532748720 13046580173842 14655062661028 18318828326285 22689704650160 23256947266414 26093160347684 29310125322056 32616450434605 36637656652570 46513894532828 52186320695368 58142368166035 58620250644112 65232900869210 73275313305140 93027789065656 104372641390736 116284736332070 130465801738420 146550626610280 186055578131312 232569472664140 260931603476840 267454893563761 293101253220560 465138945328280 521863206953680 534909787127522 930277890656560 1069819574255044 1337274467818805 2139639148510088 2674548935637610 4279278297020176 5349097871275220 10698195742550440 21396391485100880
• Sum of all divisors σ(n): 53912431753528320
• Sum of proper divisors (its aliquot sum) s(n): 32516040268427440
• 21396391485100880 is an abundant number, because the sum of its proper divisors (32516040268427440) is greater than itself. Its abundance is 11119648783326560

Bases of 21396391485100880

• Binary: 1001100000000111110011110011001111100011101001101010000₂
• Hexadecimal: 0x4C03E799F1D350
• Base-36: 5UODYJVRSCW

Squares and roots of 21396391485100880

• 21396391485100880 squared (21396391485100880²) is 457805568583697441171023776774400
• 21396391485100880 cubed (21396391485100880³) is 9795387169475990865846704963973645804585001472000
• The square root of 21396391485100880 is 146275054.2132898339
• The cube root of 21396391485100880 is 277617.5039428789

Scales and comparisons

• 21,396,391,485,100,880 seconds is equal to 680,339,065 years, 43 weeks, 5 days, 10 hours, 41 minutes, 20 seconds.
• To count from 1 to 21,396,391,485,100,880 would take you about two billion, forty-one million, seventeen thousand, one hundred ninety-seven 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 21396391485100880 cubic inches would be around 23134.8 feet tall.

Recreational maths with 21396391485100880

• 21396391485100880 backwards is 08800158419369312
• The number of decimal digits it has is: 17
• The sum of 21396391485100880's digits is 68
• More coming soon!