21187079038125

Names of 21187079038125

• Cardinal: 21187079038125 can be written as Twenty-one trillion, one hundred eighty-seven billion, seventy-nine million, thirty-eight thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 2.1187079038125 × 10¹³

Factors of 21187079038125

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 537586

Divisors of 21187079038125

• Number of divisors d(n): 360
• Complete list of divisors:
  1 3 5 7 9 11 13 15 21 25 33 35 39 45 49 55 63 65 75 77 91 99 105 117 125 143 147 165 175 195 225 231 245 273 275 315 325 375 385 429 441 455 495 525 539 585 625 637 693 715 735 819 825 875 975 1001 1125 1155 1225 1287 1365 1375 1575 1617 1625 1875 1911 1925 2145 2205 2275 2475 2625 2695 2925 3003 3185 3465 3575 3675 4095 4125 4375 4851 4875 5005 5625 5733 5775 6125 6435 6825 6875 7007 7875 8085 8125 9009 9555 9625 10725 11025 11375 12375 13125 13475 14625 15015 15925 17325 17875 18375 20475 20625 21021 24255 24375 25025 28665 28875 30625 32175 34125 35035 39375 40425 45045 47775 48125 53625 55125 56875 61875 63063 67375 73125 75075 79625 86625 89375 91875 102375 105105 121275 125125 143325 144375 160875 170625 175175 202125 225225 238875 268125 275625 315315 336875 375375 398125 433125 511875 525525 537547 606375 625625 716625 804375 875875 1010625 1126125 1194375 1576575 1612641 1876875 2627625 2687735 3031875 3583125 3762829 4379375 4837923 5630625 5913017 6988111 7882875 8063205 11288487 13138125 13438675 17739051 18814145 20964333 24189615 26339803 29565085 33865461 34940555 39414375 40316025 41391119 48916777 53217153 56442435 62892999 67193375 76869221 79019409 88695255 94070725 104821665 120948075 124173357 131699015 146750331 147825425 169327305 174702775 201580125 206955595 230607663 237058227 244583885 266085765 282212175 289737833 314464995 335966875 342417439 372520071 384346105 395097045 440250993 443476275 470353625 524108325 538084547 604740375 620866785 658495075 691822989 733751655 739127125 846636525 869213499 873513875 1007900625 1027252317 1034777975 1153038315 1185291135 1222919425 1330428825 1411060875 1448689165 1572324975 1614253641 1712087195 1862600355 1921730525 1975485225 2201254965 2217381375 2351768125 2607640497 2620541625 2690422735 3023701875 3081756951 3104333925 3292475375 3459114945 3668758275 3695635625 3766591829 4233182625 4346067495 4367569375 4842760923 5136261585 5173889875 5765191575 5926455675 6114597125 6652144125 7055304375 7243445825 7861624875 8071268205 8560435975 9313001775 9608652625 9877426125 11006274825 11086906875 11299775487 13038202485 13102708125 13452113675 15408784755 15521669625 16462376875 17295574725 18343791375 18832959145 21165913125 21730337475 24213804615 25681307925 25869449375 28825957875 29632278375 30572985625 33260720625 33899326461 36217229125 39308124375 40356341025 42802179875 46565008875 48043263125 49387130625 55031374125 56498877435 65191012425 67260568375 77043923775 77608348125 86477873625 91718956875 94164795725 108651687375 121069023075 128406539625 144129789375 148161391875 169496632305 181086145625 201781705125 214010899375 232825044375 275156870625 282494387175 325955062125 336302841875 385219618875 432389368125 470823978625 543258436875 605345115375 642032698125 847483161525 1008908525625 1412471935875 1629775310625 1926098094375 2354119893125 3026725576875 4237415807625 7062359679375 21187079038125
• Sum of all divisors σ(n): 52263173106144
• Sum of proper divisors (its aliquot sum) s(n): 31076094068019
• 21187079038125 is an abundant number, because the sum of its proper divisors (31076094068019) is greater than itself. Its abundance is 9889015029894

Bases of 21187079038125

• Binary: 100110100010100000000010100011110010010101101₂
• Hexadecimal: 0x13450051E4AD
• Base-36: 7ID7JTPD9

Squares and roots of 21187079038125

• 21187079038125 squared (21187079038125²) is 448892318167755775203515625
• 21187079038125 cubed (21187079038125³) is 9510717024627396492088815554243408203125
• The square root of 21187079038125 is 4602942.4326320875
• The cube root of 21187079038125 is 27670.9261684171

Scales and comparisons

• 21,187,079,038,125 seconds is equal to 673,683 years, 30 weeks, 4 hours, 48 minutes, 45 seconds.
• To count from 1 to 21,187,079,038,125 would take you about one million, six hundred eighty-four thousand, two hundred eight 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 21187079038125 cubic inches would be around 2305.9 feet tall.

Recreational maths with 21187079038125

• 21187079038125 backwards is 52183097078112
• The number of decimal digits it has is: 14
• The sum of 21187079038125's digits is 54
• More coming soon!