20821628997568

Names of 20821628997568

• Cardinal: 20821628997568 can be written as Twenty trillion, eight hundred twenty-one billion, six hundred twenty-eight million, nine hundred ninety-seven thousand, five hundred sixty-eight.

Scientific notation

• Scientific notation: 2.0821628997568 × 10¹³

Factors of 20821628997568

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 150

Divisors of 20821628997568

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 37 43 49 56 61 64 74 86 98 112 122 148 172 196 224 244 259 296 301 344 392 427 448 488 518 592 602 688 784 854 976 1036 1184 1204 1369 1376 1568 1591 1708 1813 1849 1952 2072 2107 2257 2368 2408 2623 2738 2752 2989 3136 3182 3416 3626 3698 3904 4144 4214 4514 4816 5246 5476 5978 6364 6832 7252 7396 8288 8428 9028 9583 9632 10492 10952 11137 11956 12728 12943 13664 14504 14792 15799 16576 16856 18056 18361 19166 19264 20984 21904 22274 23912 25456 25886 27328 29008 29584 31598 33712 36112 36722 38332 41968 43808 44548 47824 50912 51772 58016 58867 59168 63196 67081 67424 68413 72224 73444 76664 77959 79507 83509 83936 87616 89096 90601 95648 97051 101824 103544 110593 112789 116032 117734 118336 126392 128527 134162 134848 136826 144448 146888 153328 155918 159014 167018 167872 178192 181202 191296 194102 207088 221186 225578 235468 252784 257054 268324 273652 293776 306656 311836 318028 334036 356384 362404 388204 412069 414176 442372 451156 470936 478891 505568 514108 536648 547304 556549 584563 587552 613312 623672 636056 668072 679357 712768 724808 776408 789523 824138 828352 884744 902312 941872 957782 1011136 1028216 1073296 1094608 1113098 1169126 1175104 1247344 1272112 1336144 1358714 1449616 1552816 1579046 1648276 1769488 1804624 1883744 1915564 2056432 2146592 2189216 2226196 2338252 2494688 2531281 2544224 2672288 2717428 2884483 2899232 2941759 3105632 3158092 3296552 3352237 3538976 3590887 3609248 3767488 3831128 3895843 4091941 4112864 4173193 4293184 4378432 4452392 4676504 4755499 4849927 4989376 5062562 5088448 5344576 5434856 5526661 5768966 5798464 5883518 6211264 6316184 6593104 6704474 7077952 7181774 7218496 7662256 7791686 8183882 8225728 8346386 8904784 9353008 9510998 9699854 10125124 10869712 11053322 11537932 11767036 12632368 13186208 13408948 14363548 15324512 15583372 16367764 16692772 17718967 17809568 18706016 19021996 19399708 20250248 20592313 21739424 22106644 23075864 23534072 25136209 25264736 26372416 26817896 28727096 29212351 30649024 31166744 32735528 33385544 33949489 35437934 35619136 37412032 38043992 38799416 40500496 41184626 43478848 44213288 46151728 47068144 50272418 50529472 53635792 57454192 58424702 62333488 65471056 66771088 67898978 70875868 76087984 77598832 81000992 82369252 88426576 92303456 94136288 100544836 107271584 108845083 114908384 116849404 124032769 124666976 130942112 133542176 135797956 141751736 144146191 152175968 154408141 155197664 162001984 164738504 175953463 176853152 179447299 184606912 188272576 201089672 204486457 214543168 217690166 229816768 233698808 237646423 248065538 249333952 261884224 267084352 271595912 283503472 288292382 304351936 308816282 310395328 329477008 351906926 353706304 358894598 402179344 408972914 435380332 467397616 475292846 496131076 543191824 567006944 576584764 617632564 658954016 703813852 717789196 761915581 804358688 817945828 870760664 934795232 950585692 992262152 1080856987 1086383648 1134013888 1153169528 1235265128 1256131093 1317908032 1407627704 1435578392 1523831162 1608717376 1635891656 1741521328 1869590464 1901171384 1984524304 2161713974 2172767296 2306339056 2470530256 2512262186 2815255408 2871156784 3047662324 3271783312 3483042656 3802342768 3969048608 4323427948 4612678112 4941060512 5024524372 5333409067 5630510816 5742313568 6095324648 6543566624 6639550063 6966085312 7565998909 7604685536 7938097216 8646855896 8792917651 9225356224 9882121024 10049048744 10666818134 11261021632 11484627136 12190649296 13087133248 13279100126 15131997818 15209371072 17293711792 17585835302 20098097488 21333636268 24381298592 26558200252 30263995636 34587423584 35171670604 40196194976 42667272536 46476850441 48762597184 53116400504 60527991272 69174847168 70343341208 80392389952 85334545072 92953700882 106232801008 121055982544 140686682416 170669090144 185907401764 212465602016 242111965088 281373364832 325337953087 341338180288 371814803528 424931204032 484223930176 562746729664 650675906174 743629607056 1301351812348 1487259214112 2602703624696 2974518428224 5205407249392 10410814498784 20821628997568
• Sum of all divisors σ(n): 51403035776400
• Sum of proper divisors (its aliquot sum) s(n): 30581406778832
• 20821628997568 is an abundant number, because the sum of its proper divisors (30581406778832) is greater than itself. Its abundance is 9759777781264

Bases of 20821628997568

• Binary: 100101110111111101001110011001100111111000000₂
• Hexadecimal: 0x12EFE9CCCFC0
• Base-36: 7DPBOB1DS

Squares and roots of 20821628997568

• 20821628997568 squared (20821628997568²) is 433540234112364596549914624
• 20821628997568 cubed (20821628997568³) is 9027013910206430092735731583793103634432
• The square root of 20821628997568 is 4563072.3200019523
• The cube root of 20821628997568 is 27510.9065268115

Scales and comparisons

• 20,821,628,997,568 seconds is equal to 662,063 years, 20 weeks, 4 days, 8 hours, 39 minutes, 28 seconds.
• To count from 1 to 20,821,628,997,568 would take you about one million, six hundred fifty-five thousand, one 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 20821628997568 cubic inches would be around 2292.6 feet tall.

Recreational maths with 20821628997568

• 20821628997568 backwards is 86579982612802
• The number of decimal digits it has is: 14
• The sum of 20821628997568's digits is 73
• More coming soon!