21518466124140

Names of 21518466124140

• Cardinal: 21518466124140 can be written as Twenty-one trillion, five hundred eighteen billion, four hundred sixty-six million, one hundred twenty-four thousand, one hundred forty.

Scientific notation

• Scientific notation: 2.151846612414 × 10¹³

Factors of 21518466124140

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 490

Divisors of 21518466124140

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 61 90 108 122 135 180 183 244 270 305 366 419 540 549 610 732 838 915 1098 1220 1257 1647 1676 1830 2095 2196 2514 2745 3294 3660 3721 3771 4190 5028 5490 6285 6588 7442 7542 8235 8380 10980 11163 11313 12570 14884 15084 16470 18605 18855 22326 22626 25140 25559 32940 33489 37210 37710 44652 45252 51118 55815 56565 66978 74420 75420 76677 100467 102236 111630 113130 127795 133956 153354 167445 175561 200934 223260 226260 226981 230031 255590 306708 334890 351122 383385 401868 453962 460062 502335 511180 526683 669780 680943 690093 702244 766770 877805 907924 920124 1004670 1053366 1134905 1150155 1361886 1380186 1533540 1559099 1580049 1755610 2009340 2042829 2106732 2269810 2300310 2633415 2723772 2760372 3118198 3160098 3404715 3450465 3511220 4085658 4539620 4600620 4677297 4740147 5266830 6128487 6236396 6320196 6809430 6900930 7795495 7900245 8171316 9354594 9480294 10214145 10533660 10709221 12256974 13618860 13801860 14031891 15590990 15800490 18709188 18960588 20428290 21418442 23386485 23700735 24513948 28063782 30642435 31181980 31600980 32127663 40856580 42095673 42836884 46772970 47401470 53546105 56127564 61284870 64255326 70159455 84191346 93545940 94802940 95105039 96382989 107092210 122569740 128510652 140318910 160638315 168382692 190210078 192765978 210478365 214184420 280637820 285315117 289148967 321276630 380420156 385531956 420956730 475525195 481914945 570630234 578297934 642553260 653262481 841913460 855945351 951050390 963829890 1141260468 1156595868 1306524962 1426575585 1445744835 1711890702 1902100780 1927659780 1959787443 2567836053 2613049924 2853151170 2891489670 3266312405 3423781404 3919574886 4279726755 5135672106 5706302340 5782979340 5879362329 6532624810 7839149772 8559453510 9798937215 10271344212 11758724658 12839180265 13065249620 17118907020 17638086987 19597874430 23517449316 25678360530 29396811645 35276173974 39195748860 39849011341 51356721060 58793623290 70552347948 79698022682 88190434935 117587246580 119547034023 159396045364 176380869870 199245056705 239094068046 352761739740 358641102069 398490113410 478188136092 597735170115 717282204138 796980226820 1075923306207 1195470340230 1434564408276 1793205510345 2151846612414 2390940680460 3586411020690 4303693224828 5379616531035 7172822041380 10759233062070 21518466124140
• Sum of all divisors σ(n): 68224933533120
• Sum of proper divisors (its aliquot sum) s(n): 46706467408980
• 21518466124140 is an abundant number, because the sum of its proper divisors (46706467408980) is greater than itself. Its abundance is 25188001284840

Bases of 21518466124140

• Binary: 100111001001000101000100001111000100101101100₂
• Hexadecimal: 0x13922887896C
• Base-36: 7MLG351F0

Squares and roots of 21518466124140

• 21518466124140 squared (21518466124140²) is 463044384335760753890739600
• 21518466124140 cubed (21518466124140³) is 9964004898302330238173587785450013944000
• The square root of 21518466124140 is 4638800.0737410531
• The cube root of 21518466124140 is 27814.4474548979

Scales and comparisons

• 21,518,466,124,140 seconds is equal to 684,220 years, 34 weeks, 2 days, 21 hours, 9 minutes.
• To count from 1 to 21,518,466,124,140 would take you about one million, seven hundred ten thousand, five 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 21518466124140 cubic inches would be around 2317.9 feet tall.

Recreational maths with 21518466124140

• 21518466124140 backwards is 04142166481512
• 21518466124140 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21518466124140's digits is 45
• More coming soon!