42002793729

Names of 42002793729

• Cardinal: 42002793729 can be written as Forty-two billion, two million, seven hundred ninety-three thousand, seven hundred twenty-nine.

Scientific notation

• Scientific notation: 4.2002793729 × 10¹⁰

Factors of 42002793729

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 100

Divisors of 42002793729

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 9 13 23 27 39 61 69 81 117 169 183 207 243 299 351 507 549 621 729 793 897 1053 1403 1521 1647 1863 2187 2379 2691 3159 3887 4209 4563 4941 5589 6561 7137 8073 9477 10309 11661 12627 13689 14823 16767 18239 19683 21411 24219 28431 30927 34983 37881 41067 44469 50301 54717 59049 64233 72657 85293 92781 104949 113643 123201 133407 150903 164151 177147 192699 217971 237107 255879 278343 314847 340929 369603 400221 452709 492453 578097 653913 711321 767637 835029 944541 1022787 1108809 1200663 1358127 1477359 1734291 1961739 2133963 2302911 2505087 2833623 3068361 3326427 3601989 4074381 4432077 5202873 5885217 6401889 7515261 8500869 9205083 9979281 10805967 13296231 15608619 17655651 19205667 22545783 25502607 27615249 29937843 39888693 46825857 52966953 57617001 67637349 76507821 82845747 119666079 140477571 172851003 202912047 229523463 248537241 358998237 518553009 608736141 688570389 1076994711 1555659027 1826208423 3230984133 4666977081 14000931243 42002793729
• Sum of all divisors σ(n): 72356618880
• Sum of proper divisors (its aliquot sum) s(n): 30353825151
• 42002793729 is a deficient number, because the sum of its proper divisors (30353825151) is less than itself. Its deficiency is 11648968578

Bases of 42002793729

• Binary: 100111000111100011111100010100000001₂
• Hexadecimal: 0x9C78FC501
• Base-36: JANDN29

Squares and roots of 42002793729

• 42002793729 squared (42002793729²) is 1764234681040921725441
• 42002793729 cubed (42002793729³) is 74102785397309942241733094559489
• The square root of 42002793729 is 204945.8312066873
• The cube root of 42002793729 is 3476.1037152129

Scales and comparisons

• 42,002,793,729 seconds is equal to 1,335 years, 29 weeks, 10 hours, 42 minutes, 9 seconds.
• To count from 1 to 42,002,793,729 would take you about two thousand, six hundred seventy-one 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 42002793729 cubic inches would be around 289.7 feet tall.

Recreational maths with 42002793729

• 42002793729 backwards is 92739720024
• The number of decimal digits it has is: 11
• The sum of 42002793729's digits is 45
• More coming soon!