21688828737680

Names of 21688828737680

• Cardinal: 21688828737680 can be written as Twenty-one trillion, six hundred eighty-eight billion, eight hundred twenty-eight million, seven hundred thirty-seven thousand, six hundred eighty.

Scientific notation

• Scientific notation: 2.168882873768 × 10¹³

Factors of 21688828737680

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1289

Divisors of 21688828737680

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 40 52 65 79 80 104 130 139 158 169 208 260 278 316 338 395 520 556 632 676 695 790 845 1027 1040 1051 1112 1264 1352 1390 1580 1690 1807 2054 2102 2224 2704 2780 3160 3380 3614 4108 4204 5135 5255 5560 6320 6760 7228 8216 8408 9035 10270 10510 10981 11120 13351 13520 13663 14456 16432 16816 18070 19321 20540 21020 21962 23491 26702 27326 28912 36140 38642 41080 42040 43924 46982 53404 54652 54905 66755 68315 72280 77284 82160 83029 84080 87848 93964 96605 106808 109304 109810 117455 133510 136630 142753 144560 146089 154568 166058 175696 177619 187928 193210 213616 218608 219620 234910 251173 267020 273260 285506 292178 309136 332116 355238 375856 386420 415145 439240 469820 502346 534040 546520 571012 584356 664232 710476 713765 730445 772840 830290 878480 888095 939640 1004692 1068080 1079377 1093040 1142024 1168712 1255865 1328464 1420952 1427530 1460890 1526359 1545680 1660580 1776190 1855789 1879280 1899157 2009384 2158754 2284048 2337424 2511730 2841904 2855060 2921780 3052718 3265249 3321160 3552380 3711578 3798314 4018768 4317508 5023460 5396885 5710120 5843560 6105436 6530498 6642320 7104760 7423156 7596628 7631795 8635016 9278945 9495785 10046920 10793770 11420240 11541031 11687120 12210872 13060996 14031901 14209520 14846312 15193256 15263590 16326245 17270032 18557890 18991570 19842667 20093840 20306371 21587540 23082062 24421744 24689041 26121992 28063802 29692624 30386512 30527180 32652490 37115780 37983140 39685334 40612742 43175080 46164124 49378082 52243984 56127604 57705155 61054360 65304980 70159505 74231560 75966280 79370668 81225484 86350160 92328248 98756164 99213335 101531855 112255208 115410310 122108720 123445205 130609960 140319010 148463120 150033403 151932560 158741336 162450968 184656496 197512328 198426670 203063710 224510416 230820620 246890410 257954671 261219920 263982823 280638020 300066806 317482672 324901936 395024656 396853340 406127420 461641240 493780820 515909342 527965646 561276040 600133612 750167015 793706680 812254840 923282480 987561640 1031818684 1055931292 1122552080 1200267224 1289773355 1319914115 1500334030 1587413360 1604203309 1624509680 1950434239 1975123280 2063637368 2111862584 2400534448 2579546710 2639828230 3000668060 3208406618 3431776699 3900868478 4127274736 4223725168 5159093420 5279656460 6001336120 6416813236 6863553398 7801736956 8021016545 9752171195 10318186840 10559312920 12002672240 12833626472 13727106796 15603473912 16042033090 17158883495 19504342390 20636373680 20854643017 21118625840 25667252944 27454213592 31206947824 32084066180 34317766990 39008684780 41709286034 54908427184 64168132360 68635533980 78017369560 83418572068 104273215085 128336264720 137271067960 156034739120 166837144136 208546430170 271110359221 274542135920 333674288272 417092860340 542220718442 834185720680 1084441436884 1355551796105 1668371441360 2168882873768 2711103592210 4337765747536 5422207184420 10844414368840 21688828737680
• Sum of all divisors σ(n): 55748721674880
• Sum of proper divisors (its aliquot sum) s(n): 34059892937200
• 21688828737680 is an abundant number, because the sum of its proper divisors (34059892937200) is greater than itself. Its abundance is 12371064199520

Bases of 21688828737680

• Binary: 100111011100111010010111011101011100010010000₂
• Hexadecimal: 0x13B9D2EEB890
• Base-36: 7ORPKN3BK

Squares and roots of 21688828737680

• 21688828737680 squared (21688828737680²) is 470405292012413822251782400
• 21688828737680 cubed (21688828737680³) is 10202539815755593067358909565722040832000
• The square root of 21688828737680 is 4657126.6611162725
• The cube root of 21688828737680 is 27887.6573136451

Scales and comparisons

• 21,688,828,737,680 seconds is equal to 689,637 years, 34 weeks, 4 days, 9 hours, 21 minutes, 20 seconds.
• To count from 1 to 21,688,828,737,680 would take you about one million, seven hundred twenty-four thousand and ninety-four 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 21688828737680 cubic inches would be around 2324 feet tall.

Recreational maths with 21688828737680

• 21688828737680 backwards is 08673782888612
• The number of decimal digits it has is: 14
• The sum of 21688828737680's digits is 74
• More coming soon!