20812339968

Names of 20812339968

• Cardinal: 20812339968 can be written as Twenty billion, eight hundred twelve million, three hundred thirty-nine thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 2.0812339968 × 10¹⁰

Factors of 20812339968

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 100

Divisors of 20812339968

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 41 42 47 48 49 56 64 82 84 94 96 98 112 123 128 141 147 164 168 188 192 196 224 246 256 282 287 294 328 329 336 343 376 384 392 448 492 564 574 588 656 658 672 686 752 768 784 861 896 984 987 1029 1128 1148 1176 1312 1316 1344 1372 1504 1568 1681 1722 1792 1927 1968 1974 2009 2058 2256 2296 2303 2352 2624 2632 2688 2744 3008 3136 3362 3444 3854 3936 3948 4018 4116 4512 4592 4606 4704 5043 5248 5264 5376 5488 5781 6016 6027 6272 6724 6888 6909 7708 7872 7896 8036 8232 9024 9184 9212 9408 10086 10496 10528 10976 11562 11767 12032 12054 12544 13448 13489 13776 13818 14063 15416 15744 15792 16072 16121 16464 18048 18368 18424 18816 20172 21056 21952 23124 23534 24108 26896 26978 27552 27636 28126 30832 31488 31584 32144 32242 32928 35301 36096 36736 36848 37632 40344 40467 42112 42189 43904 46248 47068 48216 48363 53792 53956 55104 55272 56252 61664 63168 64288 64484 65856 70602 73472 73696 79007 80688 80934 82369 84224 84378 87808 92496 94136 94423 96432 96726 107584 107912 110208 110544 112504 123328 126336 128576 128968 131712 141204 147392 158014 161376 161868 164738 168756 184992 188272 188846 192864 193452 215168 215824 220416 221088 225008 237021 246656 247107 252672 257152 257936 263424 282408 283269 294784 316028 322752 323736 329476 337512 369984 376544 377692 385728 386904 430336 431648 442176 450016 474042 493312 494214 514304 515872 553049 564816 566538 576583 589568 632056 645504 647472 658952 660961 675024 739968 753088 755384 771456 773808 863296 884352 900032 948084 988428 1031744 1106098 1129632 1133076 1153166 1264112 1291008 1294944 1317904 1321922 1350048 1479936 1506176 1510768 1542912 1547616 1659147 1726592 1729749 1768704 1800064 1896168 1976856 1982883 2063488 2212196 2259264 2266152 2306332 2528224 2589888 2635808 2643844 2700096 3012352 3021536 3095232 3318294 3453184 3459498 3600128 3792336 3871343 3953712 3965766 4126976 4424392 4518528 4532304 4612664 5056448 5179776 5271616 5287688 5400192 6043072 6190464 6636588 6918996 7584672 7742686 7907424 7931532 8848784 9037056 9064608 9225328 10112896 10359552 10543232 10575376 10800384 11614029 12086144 12380928 13273176 13837992 15169344 15485372 15814848 15863064 17697568 18129216 18450656 20225792 21086464 21150752 23228058 24172288 26546352 27099401 27675984 30338688 30970744 31629696 31726128 35395136 36258432 36901312 42301504 46456116 53092704 54198802 55351968 60677376 61941488 63259392 63452256 70790272 72516864 73802624 81298203 84603008 92912232 106185408 108397604 110703936 123882976 126904512 141580544 147605248 162596406 169206016 185824464 212370816 216795208 221407872 247765952 253809024 325192812 371648928 424741632 433590416 442815744 495531904 507618048 650385624 743297856 867180832 991063808 1300771248 1486595712 1734361664 2601542496 2973191424 3468723328 5203084992 6937446656 10406169984 20812339968
• Sum of all divisors σ(n): 67618790400
• Sum of proper divisors (its aliquot sum) s(n): 46806450432
• 20812339968 is an abundant number, because the sum of its proper divisors (46806450432) is greater than itself. Its abundance is 25994110464

Bases of 20812339968

• Binary: 10011011000100000110001101100000000₂
• Hexadecimal: 0x4D8831B00
• Base-36: 9K74OAO

Squares and roots of 20812339968

• 20812339968 squared (20812339968²) is 433153494943610241024
• 20812339968 cubed (20812339968³) is 9014937795093785325477908447232
• The square root of 20812339968 is 144264.8258169675
• The cube root of 20812339968 is 2750.6814825885

Scales and comparisons

• 20,812,339,968 seconds is equal to 661 years, 39 weeks, 6 days, 13 hours, 32 minutes, 48 seconds.
• To count from 1 to 20,812,339,968 would take you about one thousand, three hundred twenty-three 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 20812339968 cubic inches would be around 229.2 feet tall.

Recreational maths with 20812339968

• 20812339968 backwards is 86993321802
• The number of decimal digits it has is: 11
• The sum of 20812339968's digits is 51
• More coming soon!