21087397427800

Names of 21087397427800

• Cardinal: 21087397427800 can be written as Twenty-one trillion, eighty-seven billion, three hundred ninety-seven million, four hundred twenty-seven thousand, eight hundred.

Scientific notation

• Scientific notation: 2.10873974278 × 10¹³

Factors of 21087397427800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 428

Divisors of 21087397427800

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 8 10 11 20 22 25 40 44 50 55 61 88 100 110 121 122 200 220 242 244 275 305 349 440 484 488 550 605 610 671 698 968 1100 1210 1220 1331 1342 1396 1525 1745 2200 2420 2440 2662 2684 2792 3025 3050 3355 3490 3721 3839 4840 5324 5368 6050 6100 6655 6710 6980 7381 7442 7678 8725 10648 12100 12200 13310 13420 13960 14762 14884 15356 16775 17450 18605 19195 21289 24200 26620 26840 29524 29768 30712 33275 33550 34900 36905 37210 38390 40931 42229 42578 53240 59048 66550 67100 69800 73810 74420 76780 81191 81862 84458 85156 93025 95975 106445 133100 134200 147620 148840 153560 162382 163724 168916 170312 184525 186050 191950 204655 211145 212890 226981 234179 266200 295240 324764 327448 337832 369050 372100 383900 405955 409310 422290 425780 450241 453962 464519 468358 532225 649528 738100 744200 767800 811910 818620 844580 851560 900482 907924 929038 936716 1023275 1055725 1064450 1134905 1170895 1298629 1476200 1623820 1637240 1689160 1800964 1815848 1858076 1873432 2029775 2046550 2111450 2128900 2251205 2269810 2322595 2341790 2496791 2575969 2597258 3247640 3601928 3716152 4059550 4093100 4222900 4257800 4502410 4539620 4645190 4683580 4952651 4993582 5151938 5194516 5674525 5854475 6493145 8119100 8186200 8445800 9004820 9079240 9290380 9367160 9905302 9987164 10303876 10389032 11256025 11349050 11612975 11708950 12483955 12879845 12986290 14284919 16238200 18009640 18580760 19810604 19974328 20607752 22512050 22698100 23225950 23417900 24763255 24967910 25759690 25972580 27464701 28335659 28569838 32465725 39621208 45024100 45396200 46451900 46835800 49526510 49935820 51519380 51945160 54929402 56671318 57139676 62419775 64399225 64931450 71424595 79216369 90048200 92903800 99053020 99871640 103038760 109858804 113342636 114279352 123816275 124839550 128798450 129862900 137323505 141678295 142849190 157134109 158432738 198106040 219717608 226685272 247632550 249679100 257596900 259725800 274647010 283356590 285698380 302111711 314268218 316865476 357122975 396081845 495265100 499358200 515193800 549294020 566713180 571396760 604223422 628536436 633730952 686617525 708391475 714245950 785670545 792163690 871380059 990530200 1098588040 1133426360 1208446844 1257072872 1373235050 1416782950 1428491900 1510558555 1571341090 1584327380 1728475199 1742760118 1980409225 2416893688 2746470100 2833565900 2856983800 3021117110 3142682180 3168654760 3456950398 3485520236 3928352725 3960818450 4356900295 5492940200 5667131800 6042234220 6285364360 6913900796 6971040472 7552792775 7856705450 7921636900 8642375995 8713800590 9585180649 12084468440 13827801592 15105585550 15713410900 15843273800 17284751990 17427601180 19170361298 21784501475 30211171100 31426821800 34569503980 34855202360 38340722596 43211879975 43569002950 47925903245 60422342200 69139007960 76681445192 86423759950 87138005900 95851806490 105436987139 172847519900 174276011800 191703612980 210873974278 239629516225 345695039800 383407225960 421747948556 479259032450 527184935695 843495897112 958518064900 1054369871390 1917036129800 2108739742780 2635924678475 4217479485560 5271849356950 10543698713900 21087397427800
• Sum of all divisors σ(n): 54983215224000
• Sum of proper divisors (its aliquot sum) s(n): 33895817796200
• 21087397427800 is an abundant number, because the sum of its proper divisors (33895817796200) is greater than itself. Its abundance is 12808420368400

Bases of 21087397427800

• Binary: 100110010110111001010110101010011101001011000₂
• Hexadecimal: 0x132DCAD53A58
• Base-36: 7H3EZYUL4

Squares and roots of 21087397427800

• 21087397427800 squared (21087397427800²) is 444678330277986056212840000
• 21087397427800 cubed (21087397427800³) is 9377108678102402020746908425332952000000
• The square root of 21087397427800 is 4592101.6351775143
• The cube root of 21087397427800 is 27627.4622634091

Scales and comparisons

• 21,087,397,427,800 seconds is equal to 670,514 years, 3 days, 20 hours, 36 minutes, 40 seconds.
• To count from 1 to 21,087,397,427,800 would take you about one million, six hundred seventy-six thousand, two hundred eighty-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 21087397427800 cubic inches would be around 2302.3 feet tall.

Recreational maths with 21087397427800

• 21087397427800 backwards is 00872479378012
• The number of decimal digits it has is: 14
• The sum of 21087397427800's digits is 58
• More coming soon!