21455460385788

Names of 21455460385788

• Cardinal: 21455460385788 can be written as Twenty-one trillion, four hundred fifty-five billion, four hundred sixty million, three hundred eighty-five thousand, seven hundred eighty-eight.

Scientific notation

• Scientific notation: 2.1455460385788 × 10¹³

Factors of 21455460385788

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 90186

Divisors of 21455460385788

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 11 12 13 22 26 31 33 37 39 44 52 62 66 74 78 93 111 121 124 132 143 148 156 186 222 242 286 341 363 372 403 407 429 444 481 484 572 682 726 806 814 858 962 1023 1147 1209 1221 1331 1364 1443 1452 1573 1612 1628 1716 1924 2046 2294 2418 2442 2662 2886 3146 3441 3751 3993 4092 4433 4477 4588 4719 4836 4884 5291 5324 5772 6292 6882 7502 7986 8866 8954 9438 10582 11253 12617 13299 13431 13764 14911 15004 15873 15972 17303 17732 17908 18876 21164 22506 25234 26598 26862 29822 31746 34606 37851 41261 44733 45012 48763 49247 50468 51909 53196 53724 58201 59644 63492 69212 75702 82522 89466 90089 97526 98494 103818 116402 123783 138787 146289 147741 151404 164021 165044 174603 178932 180178 195052 196988 207636 232804 247566 270267 277574 292578 295482 328042 349206 360356 416361 492063 495132 536393 540534 555148 585156 590964 640211 656084 698412 832722 984126 990979 1072786 1081068 1171157 1280422 1526657 1609179 1665444 1804231 1920633 1968252 1981958 2145572 2342314 2560844 2792759 2972937 3053314 3218358 3333293 3513471 3608462 3841266 3963916 4579971 4684628 5412693 5585518 5945874 6106628 6436716 6666586 7026942 7216924 7682532 8378277 9159942 9999879 10825386 10900769 11171036 11891748 12882727 13333172 14053884 16756554 18319884 19846541 19999758 21650772 21801538 25765454 30720349 32702307 33513108 36305867 36666223 38648181 39693082 39999516 43332809 43603076 51530908 59539623 61440698 65404614 72611734 73332446 77296362 79386164 86665618 92161047 103332083 108917601 109998669 119079246 119908459 122881396 129998427 130809228 141709997 145223468 146664892 154592724 173331236 184322094 206664166 217835202 219997338 238158492 239816918 259996854 283419994 309996249 337923839 359725377 368644188 399364537 403328453 413328332 425129991 435670404 439994676 476660899 479633836 519993708 566839988 619992498 675847678 719450754 798729074 806656906 850259982 953321798 1013771517 1136652913 1198093611 1209985359 1239984996 1343317079 1351695356 1429982697 1438901508 1558809967 1597458148 1613313812 1700519964 1906643596 2027543034 2273305826 2396187222 2419970718 2686634158 2859965394 3117619934 3409958739 3717162229 4029951237 4055086068 4393009907 4436612983 4546611652 4676429901 4792374444 4839941436 5243269889 5373268316 5719930788 6235239868 6819917478 7434324458 8059902474 8786019814 8873225966 9352859802 10486539778 11151486687 12503182043 13179029721 13309838949 13639834956 14776487869 14868648916 15729809667 16119804948 17572039628 17746451932 18705719604 20973079556 22302973374 25006364086 26358059442 26619677898 29552975738 31459619334 37509546129 44329463607 44605946748 48323108977 50012728172 52716118884 53239355796 57675968779 59105951476 62919238668 75019092258 88658927214 96646217954 115351937558 137535002473 144969326931 150038184516 162541366559 173027906337 177317854428 193292435908 230703875116 275070004946 289938653862 325082733118 346055812674 412605007419 487624099677 550140009892 579877307724 650165466236 692111625348 825210014838 975248199354 1650420029676 1787955032149 1950496398708 3575910064298 5363865096447 7151820128596 10727730192894 21455460385788
• Sum of all divisors σ(n): 62869109022720
• Sum of proper divisors (its aliquot sum) s(n): 41413648636932
• 21455460385788 is an abundant number, because the sum of its proper divisors (41413648636932) is greater than itself. Its abundance is 19958188251144

Bases of 21455460385788

• Binary: 100111000001101111101000110000100001111111100₂
• Hexadecimal: 0x13837D1843FC
• Base-36: 7LSI35EKC

Squares and roots of 21455460385788

• 21455460385788 squared (21455460385788²) is 460336780366118153792380944
• 21455460385788 cubed (21455460385788³) is 9876737555266439227850267964009299623872
• The square root of 21455460385788 is 4632003.9276524799
• The cube root of 21455460385788 is 27787.2741582843

Scales and comparisons

• 21,455,460,385,788 seconds is equal to 682,217 years, 14 weeks, 1 day, 19 hours, 9 minutes, 48 seconds.
• To count from 1 to 21,455,460,385,788 would take you about one million, seven hundred five thousand, five hundred forty-three 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 21455460385788 cubic inches would be around 2315.6 feet tall.

Recreational maths with 21455460385788

• 21455460385788 backwards is 88758306455412
• 21455460385788 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21455460385788's digits is 66
• More coming soon!