21320838144

Names of 21320838144

• Cardinal: 21320838144 can be written as Twenty-one billion, three hundred twenty million, eight hundred thirty-eight thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 2.1320838144 × 10¹⁰

Factors of 21320838144

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 270

Divisors of 21320838144

• Number of divisors d(n): 440
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 27 32 36 38 48 54 57 64 72 76 81 83 96 108 114 128 144 152 162 163 166 171 192 216 228 249 256 288 304 324 326 332 342 384 432 456 489 498 512 513 576 608 648 652 664 684 747 768 864 912 978 996 1024 1026 1152 1216 1296 1304 1328 1368 1467 1494 1536 1539 1577 1728 1824 1956 1992 2052 2241 2304 2432 2592 2608 2656 2736 2934 2988 3072 3078 3097 3154 3456 3648 3912 3984 4104 4401 4482 4608 4731 4864 5184 5216 5312 5472 5868 5976 6156 6194 6308 6723 6912 7296 7824 7968 8208 8802 8964 9216 9291 9462 9728 10368 10432 10624 10944 11736 11952 12312 12388 12616 13203 13446 13529 13824 14193 14592 15648 15936 16416 17604 17928 18582 18924 19456 20736 20864 21248 21888 23472 23904 24624 24776 25232 26406 26892 27058 27648 27873 28386 29184 31296 31872 32832 35208 35856 37164 37848 40587 41472 41728 42496 42579 43776 46944 47808 49248 49552 50464 52812 53784 54116 55746 56772 58368 62592 63744 65664 70416 71712 74328 75696 81174 82944 83456 83619 84992 85158 87552 93888 95616 98496 99104 100928 105624 107568 108232 111492 113544 121761 125184 127488 127737 131328 140832 143424 148656 151392 162348 166912 167238 170316 175104 187776 191232 196992 198208 201856 211248 215136 216464 222984 227088 243522 250368 250857 254976 255474 257051 262656 281664 286848 297312 302784 324696 334476 340632 365283 375552 382464 393984 396416 403712 422496 430272 432928 445968 454176 487044 500736 501714 510948 514102 525312 563328 573696 594624 605568 649392 668952 681264 730566 751104 764928 771153 787968 792832 807424 844992 860544 865856 891936 908352 974088 1003428 1021896 1028204 1095849 1126656 1147392 1189248 1211136 1298784 1337904 1362528 1461132 1502208 1542306 1575936 1585664 1614848 1689984 1721088 1731712 1783872 1816704 1948176 2006856 2043792 2056408 2191698 2253312 2294784 2313459 2378496 2422272 2597568 2675808 2725056 2922264 3084612 3171328 3379968 3442176 3463424 3567744 3633408 3896352 4013712 4087584 4112816 4383396 4506624 4626918 4756992 4844544 5195136 5351616 5450112 5844528 6169224 6759936 6884352 6926848 6940377 7135488 7266816 7792704 8027424 8175168 8225632 8766792 9253836 9513984 10390272 10703232 10900224 11689056 12338448 13519872 13853696 13880754 14270976 14533632 15585408 16054848 16350336 16451264 17533584 18507672 20780544 20821131 21406464 21800448 23378112 24676896 27761508 28541952 31170816 32109696 32700672 32902528 35067168 37015344 41561088 41642262 42812928 43600896 46756224 49353792 55523016 62341632 64219392 65401344 65805056 70134336 74030688 83284524 85625856 93512448 98707584 111046032 124683264 128438784 130802688 131610112 140268672 148061376 166569048 187024896 197415168 222092064 256877568 263220224 280537344 296122752 333138096 374049792 394830336 444184128 561074688 592245504 666276192 789660672 888368256 1122149376 1184491008 1332552384 1776736512 2368982016 2665104768 3553473024 5330209536 7106946048 10660419072 21320838144
• Sum of all divisors σ(n): 68242722240
• Sum of proper divisors (its aliquot sum) s(n): 46921884096
• 21320838144 is an abundant number, because the sum of its proper divisors (46921884096) is greater than itself. Its abundance is 25601045952

Bases of 21320838144

• Binary: 10011110110110100100010110000000000₂
• Hexadecimal: 0x4F6D22C00
• Base-36: 9SLVK00

Squares and roots of 21320838144

• 21320838144 squared (21320838144²) is 454578139162645364736
• 21320838144 cubed (21320838144³) is 9691986928887469512408101289984
• The square root of 21320838144 is 146016.5680462325
• The cube root of 21320838144 is 2772.9035116261

Scales and comparisons

• 21,320,838,144 seconds is equal to 677 years, 48 weeks, 4 days, 23 hours, 2 minutes, 24 seconds.
• To count from 1 to 21,320,838,144 would take you about one thousand, three hundred fifty-five 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 21320838144 cubic inches would be around 231.1 feet tall.

Recreational maths with 21320838144

• 21320838144 backwards is 44183802312
• 21320838144 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21320838144's digits is 36
• More coming soon!