21187027339920

Names of 21187027339920

• Cardinal: 21187027339920 can be written as Twenty-one trillion, one hundred eighty-seven billion, twenty-seven million, three hundred thirty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.118702733992 × 10¹³

Factors of 21187027339920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 124

Divisors of 21187027339920

• Number of divisors d(n): 600
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 36 39 40 45 48 52 60 65 72 78 80 90 101 104 117 120 130 144 156 169 180 195 202 208 234 240 260 303 312 338 360 390 404 468 505 507 520 585 606 624 676 720 780 808 845 909 936 1010 1014 1040 1170 1212 1313 1352 1515 1521 1560 1616 1690 1818 1872 2020 2028 2197 2340 2424 2535 2626 2704 3030 3042 3120 3380 3636 3939 4040 4056 4394 4545 4680 4848 5070 5252 6060 6084 6565 6591 6760 7272 7605 7878 8080 8112 8788 9090 9360 10140 10201 10504 10985 11817 12120 12168 13130 13182 13520 14544 15210 15756 17069 17576 18180 19695 19773 20280 20402 21008 21970 23634 24240 24336 26260 26364 28561 30420 30603 31512 32955 34138 35152 36360 39390 39546 40560 40804 43940 47268 51005 51207 52520 52728 57122 59085 60840 61206 63024 65910 68276 72720 78780 79092 81608 85345 85683 87880 91809 94536 98865 102010 102414 105040 105456 114244 118170 121680 122412 131820 132613 136552 142805 153015 153621 157560 158184 163216 170690 171366 175760 183618 189072 197730 204020 204828 221897 228488 236340 244824 256035 257049 263640 265226 273104 285610 306030 307242 315120 316368 341380 342732 367236 395460 397839 408040 409656 428415 443794 456976 459045 472680 489648 512070 514098 527280 530452 571220 612060 614484 663065 665691 682760 685464 734472 768105 790920 795678 816080 819312 856830 887588 918090 945360 1024140 1028196 1030301 1060904 1109485 1142440 1193517 1224120 1228968 1285245 1326130 1331382 1365520 1370928 1468944 1536210 1581840 1591356 1713660 1723969 1775176 1836180 1989195 1997073 2048280 2056392 2060602 2121808 2218970 2284880 2387034 2448240 2457936 2570490 2652260 2662764 2884661 3072420 3090903 3182712 3328455 3427320 3447938 3550352 3672360 3978390 3994146 4096560 4112784 4121204 4437940 4774068 5140980 5151505 5171907 5304520 5325528 5769322 5967585 6144840 6181806 6365424 6656910 6854640 6895876 7344720 7956780 7988292 8242408 8619845 8653983 8875880 9272709 9548136 9985365 10281960 10303010 10343814 10609040 10651056 11538644 11935170 12289680 12363612 13313820 13393913 13791752 14423305 15454515 15515721 15913560 15976584 16484816 17239690 17307966 17751760 18545418 19096272 19970730 20563920 20606020 20687628 22411597 23077288 23870340 24727224 25859535 25961949 26627640 26787826 27583504 28846610 30909030 31031442 31827120 31953168 34479380 34615932 37090836 39941460 40181739 41212040 41375256 43269915 44823194 46154576 46363545 47740680 49454448 51719070 51923898 53255280 53575652 57693220 61818060 62062884 66969565 67234791 68958760 69231864 74181672 77578605 79882920 80363478 82424080 82750512 86539830 89646388 92727090 95481360 103438140 103847796 107151304 112057985 115386440 120545217 123636120 124125768 129809745 133939130 134469582 137917520 138463728 148363344 155157210 159765840 160726956 173079660 174120869 179292776 185454180 200908695 201704373 206876280 207695592 214302608 224115970 230772880 241090434 247272240 248251536 259619490 267878260 268939164 291350761 310314420 321453912 336173955 346159320 348241738 358585552 370908360 401817390 403408746 413752560 415391184 448231940 482180868 519238980 522362607 535756520 537878328 582701522 602726085 620628840 642907824 672347910 692318640 696483476 741816720 803634780 806817492 870604345 874052283 896463880 964361736 1008521865 1038477960 1044725214 1071513040 1075756656 1165403044 1205452170 1241257680 1344695820 1392966952 1456753805 1567087821 1607269560 1613634984 1741208690 1748104566 1792927760 1928723472 2017043730 2076955920 2089450428 2263571297 2330806088 2410904340 2611813035 2622156849 2689391640 2785933904 2913507610 3134175642 3214539120 3227269968 3482417380 3496209132 4034087460 4178900856 4370261415 4527142594 4661612176 4821808680 5223626070 5244313698 5378783280 5827015220 6268351284 6790713891 6964834760 6992418264 7835439105 8068174920 8357801712 8740522830 9054285188 9643617360 10447252140 10488627396 11317856485 11654030440 12536702568 13110784245 13581427782 13929669520 13984836528 15670878210 16136349840 17481045660 18108570376 20372141673 20894504280 20977254792 22635712970 23308060880 25073405136 26221568490 27162855564 29426426861 31341756420 33953569455 34962091320 36217140752 40744283346 41789008560 41954509584 45271425940 52443136980 54325711128 58852853722 62683512840 67907138910 69924182640 81488566692 88279280583 90542851880 101860708365 104886273960 108651422256 117705707444 125367025680 135814277820 147132134305 162977133384 176558561166 181085703760 203721416730 209772547920 235411414888 264837841749 271628555640 294264268610 325954266768 353117122332 407442833460 441396402915 470822829776 529675683498 543257111280 588528537220 706234244664 814885666920 882792805830 1059351366996 1177057074440 1324189208745 1412468489328 1629771333840 1765585611660 2118702733992 2354114148880 2648378417490 3531171223320 4237405467984 5296756834980 7062342446640 10593513669960 21187027339920
• Sum of all divisors σ(n): 77853139984152
• Sum of proper divisors (its aliquot sum) s(n): 56666112644232
• 21187027339920 is an abundant number, because the sum of its proper divisors (56666112644232) is greater than itself. Its abundance is 35479085304312

Bases of 21187027339920

• Binary: 100110100010011111101001111010000101010010000₂
• Hexadecimal: 0x1344FD3D0A90
• Base-36: 7ID6P1MS0

Squares and roots of 21187027339920

• 21187027339920 squared (21187027339920²) is 448890127502517551225606400
• 21187027339920 cubed (21187027339920³) is 9510647404016014066446571900780927488000
• The square root of 21187027339920 is 4602936.8168507375
• The cube root of 21187027339920 is 27670.9036619581

Scales and comparisons

• 21,187,027,339,920 seconds is equal to 673,681 years, 48 weeks, 3 days, 20 hours, 12 minutes.
• To count from 1 to 21,187,027,339,920 would take you about one million, six hundred eighty-four thousand, two hundred 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 21187027339920 cubic inches would be around 2305.9 feet tall.

Recreational maths with 21187027339920

• 21187027339920 backwards is 02993372078112
• The number of decimal digits it has is: 14
• The sum of 21187027339920's digits is 54
• More coming soon!