72121921014

Names of 72121921014

• Cardinal: 72121921014 can be written as Seventy-two billion, one hundred twenty-one million, nine hundred twenty-one thousand and fourteen.

Scientific notation

• Scientific notation: 7.2121921014 × 10¹⁰

Factors of 72121921014

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 7476

Divisors of 72121921014

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 11 13 17 22 26 33 34 39 51 61 66 78 102 121 122 143 183 187 221 242 286 363 366 374 429 442 561 663 671 726 793 858 1037 1122 1326 1342 1573 1586 2013 2057 2074 2379 2431 3111 3146 4026 4114 4719 4758 4862 6171 6222 7293 7369 7381 8723 9438 11407 12342 13481 14586 14738 14762 17446 22107 22143 22814 26169 26741 26962 34221 40443 44214 44286 52338 53482 68442 80223 80886 81059 95797 95953 125273 125477 148291 160446 162118 191594 191906 243177 250546 250954 287391 287859 296582 375819 376431 444873 449509 486354 574782 575718 751638 752862 889746 891649 899018 1053767 1348527 1378003 1628549 1631201 1783298 2107534 2674947 2697054 2756006 3161301 3257098 3262402 4134009 4885647 4893603 4944599 5349894 5843617 6322602 7641653 8268018 9771294 9787206 9889198 11591437 11687234 14833797 15158033 15283306 17530851 17914039 22924959 23182874 29667594 30316066 34774311 35061702 35828078 45474099 45849918 53742117 54390589 64279787 69548622 84058183 90948198 99341489 107484234 108781178 128559574 163171767 168116366 192839361 197054429 198682978 252174549 298024467 326343534 385678722 394108858 504349098 591163287 596048934 707077657 924640013 1092756379 1182326574 1414155314 1849280026 2121232971 2185512758 2773920039 3278269137 4242465942 5547840078 6556538274 12020320169 24040640338 36060960507 72121921014
• Sum of all divisors σ(n): 183777612480
• Sum of proper divisors (its aliquot sum) s(n): 111655691466
• 72121921014 is an abundant number, because the sum of its proper divisors (111655691466) is greater than itself. Its abundance is 39533770452

Bases of 72121921014

• Binary: 1000011001010110011010010110111110110₂
• Hexadecimal: 0x10CACD2DF6
• Base-36: X4RJ2EU

Squares and roots of 72121921014

• 72121921014 squared (72121921014²) is 5201571490749654788196
• 72121921014 cubed (72121921014³) is 375147328204520834282038811550744
• The square root of 72121921014 is 268555.2476009359
• The cube root of 72121921014 is 4162.5145249535

Scales and comparisons

• 72,121,921,014 seconds is equal to 2,293 years, 13 weeks, 1 day, 10 hours, 56 minutes, 54 seconds.
• To count from 1 to 72,121,921,014 would take you about four thousand, five hundred eighty-six 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 72121921014 cubic inches would be around 346.9 feet tall.

Recreational maths with 72121921014

• 72121921014 backwards is 41012912127
• The number of decimal digits it has is: 11
• The sum of 72121921014's digits is 30
• More coming soon!