20821305083904

Names of 20821305083904

• Cardinal: 20821305083904 can be written as Twenty trillion, eight hundred twenty-one billion, three hundred five million, eighty-three thousand, nine hundred four.

Scientific notation

• Scientific notation: 2.0821305083904 × 10¹³

Factors of 20821305083904

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 624

Divisors of 20821305083904

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 29 32 36 39 48 52 54 58 64 72 78 81 87 96 104 108 116 117 128 144 156 162 174 192 208 216 232 234 256 261 288 312 324 348 351 377 384 416 432 464 468 512 522 576 577 624 648 696 702 754 768 783 832 864 928 936 1024 1044 1053 1131 1152 1154 1248 1296 1392 1404 1508 1536 1566 1664 1728 1731 1856 1872 2048 2088 2106 2262 2304 2308 2349 2496 2592 2784 2808 3016 3072 3132 3328 3393 3456 3462 3712 3744 4176 4212 4524 4608 4616 4698 4992 5184 5193 5568 5616 6032 6144 6264 6656 6786 6912 6924 7424 7488 7501 8352 8424 9048 9216 9232 9396 9984 10179 10368 10386 11136 11232 12064 12528 13312 13572 13824 13848 14848 14976 15002 15579 16704 16733 16848 18096 18432 18464 18792 19968 20358 20736 20772 22272 22464 22503 24128 25056 26624 27144 27648 27696 29696 29952 30004 30537 31158 33408 33466 33696 36192 36928 37584 39936 40716 41472 41544 44544 44928 45006 46737 48256 50112 50199 54288 55296 55392 59392 59904 60008 61074 62316 66816 66932 67392 67509 72384 73856 75168 79872 81432 82944 83088 89088 89856 90012 93474 96512 100224 100398 108576 110784 119808 120016 122148 124632 133632 133864 134784 135018 144768 147712 150336 150597 162864 165888 166176 178176 179712 180024 186948 193024 200448 200796 202527 217152 217529 221568 239616 240032 244296 249264 267264 267728 269568 270036 289536 295424 300672 301194 325728 332352 332929 359424 360048 373896 386048 400896 401592 405054 434304 435058 443136 451791 480064 488592 498528 534528 535456 539136 540072 579072 590848 601344 602388 607581 651456 652587 664704 665858 718848 720096 747792 772096 801792 803184 810108 868608 870116 886272 903582 960128 977184 997056 998787 1070912 1078272 1080144 1158144 1181696 1202688 1204776 1215162 1302912 1305174 1329408 1331716 1355373 1440192 1495584 1603584 1606368 1620216 1737216 1740232 1772544 1807164 1920256 1954368 1957761 1994112 1997574 2141824 2156544 2160288 2316288 2405376 2409552 2430324 2605824 2610348 2658816 2663432 2710746 2880384 2991168 2996361 3212736 3240432 3474432 3480464 3545088 3614328 3840512 3908736 3915522 3988224 3995148 4283648 4320576 4328077 4810752 4819104 4860648 5211648 5220696 5317632 5326864 5421492 5760768 5873283 5982336 5992722 6425472 6480864 6948864 6960928 7228656 7681024 7817472 7831044 7976448 7990296 8567296 8641152 8656154 8989083 9638208 9654941 9721296 10423296 10441392 10635264 10653728 10842984 11521536 11746566 11964672 11985444 12850944 12961728 12984231 13921856 14457312 15362048 15634944 15662088 15952896 15980592 17134592 17282304 17312308 17619849 17978166 19276416 19309882 19442592 20846592 20882784 21307456 21685968 23043072 23493132 23929344 23970888 25701888 25923456 25968462 26967249 27843712 28914624 28964823 31269888 31324176 31905792 31961184 34269184 34564608 34624616 35239698 35956332 38552832 38619764 38885184 38952693 41765568 42614912 43371936 46086144 46986264 47858688 47941776 51403776 51846912 51936924 53934498 55687424 57829248 57929646 62539776 62648352 63922368 69129216 69249232 70479396 71912664 77105664 77239528 77770368 77905386 83531136 85229824 86743872 86894469 93972528 95717376 95883552 102807552 103693824 103873848 107868996 111374848 115658496 115859292 116858079 125296704 125514233 127844736 138258432 138498464 140958792 143825328 154211328 154479056 155540736 155810772 167062272 170459648 173487744 173788938 187945056 191767104 207387648 207747696 215737992 222749696 231316992 231718584 233716158 250593408 251028466 255689472 260683407 276996928 281917584 287650656 308422656 308958112 311081472 311621544 334124544 340919296 346975488 347577876 350574237 375890112 376542699 383534208 414775296 415495392 431475984 445499392 462633984 463437168 467432316 501186816 502056932 511378944 521366814 553993856 563835168 575301312 617916224 622162944 623243088 668249088 681838592 693950976 695155752 701148474 751780224 753085398 767068416 782050221 830990784 862951968 925267968 926874336 934864632 1002373632 1004113864 1022757888 1042733628 1107987712 1127670336 1129628097 1150602624 1235832448 1244325888 1246486176 1336498176 1387901952 1390311504 1402296948 1503560448 1506170796 1534136832 1564100442 1661981568 1725903936 1853748672 1869729264 2004747264 2008227728 2045515776 2085467256 2215975424 2255340672 2259256194 2301205248 2471664896 2492972352 2775803904 2780623008 2804593896 3007120896 3012341592 3068273664 3128200884 3323963136 3388884291 3451807872 3707497344 3739458528 4009494528 4016455456 4170934512 4431950848 4510681344 4518512388 4602410496 4943329792 4985944704 5561246016 5609187792 6014241792 6024683184 6136547328 6256401768 6647926272 6777768582 6903615744 7414994688 7478917056 8032910912 8341869024 8863901696 9021362688 9037024776 9204820992 9886659584 9971889408 10166652873 11122492032 11218375584 12028483584 12049366368 12512803536 13295852544 13555537164 13807231488 14829989376 14957834112 16065821824 16683738048 18042725376 18074049552 18409641984 19773319168 19943778816 20333305746 22244984064 22436751168 24098732736 25025607072 26591705088 27111074328 27614462976 29659978752 29915668224 32131643648 33367476096 36085450752 36148099104 39887557632 40666611492 44489968128 44873502336 48197465472 50051214144 54222148656 55228925952 59319957504 59831336448 64263287296 66734952192 72296198208 79775115264 81333222984 88979936256 89747004672 96394930944 100102428288 108444297312 119662672896 128526574592 133469904384 144592396416 162666445968 177959872512 179494009344 192789861888 200204856576 216888594624 239325345792 257053149184 266939808768 289184792832 325332891936 358988018688 385579723776 400409713152 433777189248 533879617536 578369585664 650665783872 717976037376 771159447552 800819426304 867554378496 1156739171328 1301331567744 1601638852608 1735108756992 2313478342656 2602663135488 3470217513984 5205326270976 6940435027968 10410652541952 20821305083904
• Sum of all divisors σ(n): 69405441405300
• Sum of proper divisors (its aliquot sum) s(n): 48584136321396
• 20821305083904 is an abundant number, because the sum of its proper divisors (48584136321396) is greater than itself. Its abundance is 27762831237492

Bases of 20821305083904

• Binary: 100101110111111010110011111100100100000000000₂
• Hexadecimal: 0x12EFD67E4800
• Base-36: 7DP6BGG00

Squares and roots of 20821305083904

• 20821305083904 squared (20821305083904²) is 433526745397006556479881216
• 20821305083904 cubed (20821305083904³) is 9026592627943047645257771276994833547264
• The square root of 20821305083904 is 4563036.8269283123
• The cube root of 20821305083904 is 27510.7638673885

Scales and comparisons

• 20,821,305,083,904 seconds is equal to 662,053 years, 5 weeks, 8 hours, 38 minutes, 24 seconds.
• To count from 1 to 20,821,305,083,904 would take you about one million, six hundred fifty-five thousand, one hundred thirty-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 20821305083904 cubic inches would be around 2292.6 feet tall.

Recreational maths with 20821305083904

• 20821305083904 backwards is 40938050312802
• The number of decimal digits it has is: 14
• The sum of 20821305083904's digits is 45
• More coming soon!