21517131083840

Names of 21517131083840

• Cardinal: 21517131083840 can be written as Twenty-one trillion, five hundred seventeen billion, one hundred thirty-one million, eighty-three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.151713108384 × 10¹³

Factors of 21517131083840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 701345

Divisors of 21517131083840

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 19 20 28 32 35 38 40 49 56 64 70 76 80 95 98 103 112 133 140 152 160 190 196 206 224 245 266 280 304 320 380 392 412 448 490 515 532 560 608 665 721 760 784 824 931 980 1030 1064 1120 1216 1330 1442 1520 1568 1648 1862 1957 1960 2060 2128 2240 2660 2884 3040 3136 3296 3605 3724 3914 3920 4120 4256 4655 5047 5320 5768 6080 6592 7210 7448 7828 7840 8240 8512 9310 9785 10094 10640 11536 13699 14420 14896 15656 15680 16480 18620 19570 20188 21280 23072 25235 27398 28840 29792 31312 32960 37240 39140 40376 42560 46144 50470 54796 57680 59584 62624 68495 74480 78280 80752 95893 100940 109592 115360 125248 136990 148960 156560 161504 191786 201880 219184 230720 273980 297920 313120 323008 383572 403760 438368 479465 547960 626240 701209 767144 807520 876736 958930 1095920 1402418 1534288 1615040 1917860 2191840 2804836 3068576 3506045 3835720 4383680 4908463 5609672 6137152 7012090 7671440 9816926 11219344 13322971 14024180 15342880 19633852 22438688 24542315 26645942 28048360 30685760 34359241 39267704 44877376 49084630 53291884 56096720 66614855 68718482 72224527 78535408 93260797 98169260 106583768 112193440 133229710 137436964 144449054 157070816 171796205 186521594 196338520 213167536 224386880 266459420 274873928 288898108 314141632 343592410 361122635 373043188 392677040 426335072 466303985 505571689 532918840 549747856 577796216 652825579 687184820 722245270 746086376 785354080 852670144 932607970 1011143378 1065837680 1099495712 1155592432 1305651158 1372266013 1374369640 1444490540 1492172752 1570708160 1865215940 2022286756 2131675360 2198991424 2311184864 2527858445 2611302316 2744532026 2748739280 2888981080 2984345504 3264127895 3539001823 3730431880 4044573512 4263350720 4622369728 5055716890 5222604632 5489064052 5497478560 5777962160 5968691008 6528255790 6861330065 7078003646 7460863760 8089147024 9605862091 10111433780 10445209264 10978128104 10994957120 11555924320 13056511580 13722660130 14156007292 14921727520 16178294048 17695009115 19211724182 20222867560 20890418528 21956256208 23111848640 26113023160 27445320260 28312014584 29843455040 32356588096 35390018230 38423448364 40445735120 41780837056 43912512416 48029310455 52226046320 54890640520 56624029168 67241034637 70780036460 76846896728 80891470240 87825024832 96058620910 104452092640 109781281040 113248058336 134482069274 141560072920 153693793456 161782940480 192117241820 208904185280 219562562080 226496116672 268964138548 283120145840 307387586912 336205173185 384234483640 439125124160 537928277096 566240291680 614775173824 672410346370 768468967280 1075856554192 1132480583360 1344820692740 1536937934560 2151713108384 2689641385480 3073875869120 4303426216768 5379282770960 10758565541920 21517131083840
• Sum of all divisors σ(n): 63349218691200
• Sum of proper divisors (its aliquot sum) s(n): 41832087607360
• 21517131083840 is an abundant number, because the sum of its proper divisors (41832087607360) is greater than itself. Its abundance is 20314956523520

Bases of 21517131083840

• Binary: 100111001000111011000111101000111000001000000₂
• Hexadecimal: 0x1391D8F47040
• Base-36: 7MKU0AHQ8

Squares and roots of 21517131083840

• 21517131083840 squared (21517131083840²) is 462986930079153533109145600
• 21517131083840 cubed (21517131083840³) is 9962150464617811158858555389144367104000
• The square root of 21517131083840 is 4638656.1721947015
• The cube root of 21517131083840 is 27813.8722252939

Scales and comparisons

• 21,517,131,083,840 seconds is equal to 684,178 years, 11 weeks, 37 minutes, 20 seconds.
• To count from 1 to 21,517,131,083,840 would take you about one million, seven hundred ten thousand, four hundred forty-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 21517131083840 cubic inches would be around 2317.8 feet tall.

Recreational maths with 21517131083840

• 21517131083840 backwards is 04838013171512
• The number of decimal digits it has is: 14
• The sum of 21517131083840's digits is 44
• More coming soon!