21081938714880

Names of 21081938714880

• Cardinal: 21081938714880 can be written as Twenty-one trillion, eighty-one billion, nine hundred thirty-eight million, seven hundred fourteen thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 2.108193871488 × 10¹³

Factors of 21081938714880

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 16779

Divisors of 21081938714880

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 127 128 160 192 240 254 256 320 381 384 480 508 635 640 762 768 960 1016 1270 1280 1524 1905 1920 2032 2540 3048 3221 3810 3840 4064 5080 6096 6442 7620 8128 9663 10160 12192 12884 13421 15240 16105 16256 19326 20320 24384 25768 26842 30480 32210 32512 38652 40263 40640 48315 48768 51536 53684 60960 64420 67105 77304 80526 81280 96630 97536 103072 107368 121920 128840 134210 154608 161052 162560 193260 201315 206144 214736 243840 257680 268420 309216 322104 386520 402630 409067 412288 429472 487680 515360 536840 618432 644208 773040 805260 818134 824576 858944 1030720 1073680 1227201 1236864 1288416 1546080 1610520 1636268 1704467 1717888 2045335 2061440 2147360 2454402 2473728 2576832 3092160 3221040 3272536 3408934 3435776 4090670 4122880 4294720 4908804 5113401 5153664 6136005 6184320 6442080 6545072 6817868 8181340 8522335 8589440 9817608 10226802 10307328 12272010 12368640 12884160 13090144 13635736 16362680 17044670 17178880 19635216 20453604 24544020 25567005 25768320 26180288 27271472 32725360 34089340 39270432 40907208 43229041 49088040 51134010 51536640 52360576 54542944 65450720 68178680 78540864 81814416 86458082 98176080 102268020 104721152 109085888 129687123 130901440 136357360 157081728 163628832 172916164 196352160 204536040 216145205 218171776 259374246 261802880 272714720 314163456 327257664 345832328 392704320 409072080 432290410 436343552 518748492 523605760 545429440 648435615 654515328 691664656 785408640 818144160 864580820 1037496984 1090858880 1296871230 1309030656 1383329312 1570817280 1636288320 1729161640 2074993968 2181717760 2593742460 2766658624 3272576640 3458323280 4149987936 5187484920 5490088207 5533317248 6545153280 6916646560 8299975872 10374969840 10980176414 11066634496 13833293120 16470264621 16599951744 20749939680 21960352828 27450441035 27666586240 32940529242 33199903488 41499879360 43920705656 54900882070 55333172480 65881058484 82351323105 82999758720 87841411312 109801764140 131762116968 164702646210 165999517440 175682822624 219603528280 263524233936 329405292420 351365645248 439207056560 527048467872 658810584840 702731290496 878414113120 1054096935744 1317621169680 1405462580992 1756828226240 2108193871488 2635242339360 3513656452480 4216387742976 5270484678720 7027312904960 10540969357440 21081938714880
• Sum of all divisors σ(n): 67886728777728
• Sum of proper divisors (its aliquot sum) s(n): 46804790062848
• 21081938714880 is an abundant number, because the sum of its proper divisors (46804790062848) is greater than itself. Its abundance is 25722851347968

Bases of 21081938714880

• Binary: 100110010110010000101011101111110000100000000₂
• Hexadecimal: 0x132C8577E100
• Base-36: 7H0WPZOQO

Squares and roots of 21081938714880

• 21081938714880 squared (21081938714880²) is 444448139977956185933414400
• 21081938714880 cubed (21081938714880³) is 9369828448957679986006032709186486272000
• The square root of 21081938714880 is 4591507.2378120019
• The cube root of 21081938714880 is 27625.0781632911

Scales and comparisons

• 21,081,938,714,880 seconds is equal to 670,340 years, 22 weeks, 6 days, 7 hours, 28 minutes.
• To count from 1 to 21,081,938,714,880 would take you about one million, six hundred seventy-five thousand, eight hundred fifty-one 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 21081938714880 cubic inches would be around 2302.1 feet tall.

Recreational maths with 21081938714880

• 21081938714880 backwards is 08841783918012
• 21081938714880 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21081938714880's digits is 60
• More coming soon!