238135390521

Names of 238135390521

• Cardinal: 238135390521 can be written as Two hundred thirty-eight billion, one hundred thirty-five million, three hundred ninety thousand, five hundred twenty-one.

Scientific notation

• Scientific notation: 2.38135390521 × 10¹¹

Factors of 238135390521

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5016

Divisors of 238135390521

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 21 31 49 61 93 147 181 183 217 427 543 651 1267 1281 1519 1891 2989 3801 4557 4733 5611 5673 8869 8967 11041 13237 14199 16833 26607 33123 33131 39277 39711 77287 92659 99393 117831 146723 231861 231917 274939 277977 288713 342271 440169 541009 695751 824817 856673 866139 1026813 1027061 1623027 2020991 2395897 2570019 3081183 5996711 6062973 7187691 7189427 8950103 14146937 16771279 17990133 21568281 26556863 26850309 41976977 42440811 50313837 52257053 62650721 79670589 125930931 156771159 185898041 187952163 365799371 438555047 557694123 1097398113 1301286287 1315665141 1619968643 2560595597 3903858861 4859905929 7681786791 11339780501 34019341503 79378463507 238135390521
• Sum of all divisors σ(n): 389741054976
• Sum of proper divisors (its aliquot sum) s(n): 151605664455
• 238135390521 is a deficient number, because the sum of its proper divisors (151605664455) is less than itself. Its deficiency is 86529726066

Bases of 238135390521

• Binary: 11011101110001111110011011000100111001₂
• Hexadecimal: 0x3771F9B139
• Base-36: 31EBNVAX

Squares and roots of 238135390521

• 238135390521 squared (238135390521²) is 56708464218589176651441
• 238135390521 cubed (238135390521³) is 13504292272539888689554757632390761
• The square root of 238135390521 is 487991.1787327717
• The cube root of 238135390521 is 6198.3293323849

Scales and comparisons

• 238,135,390,521 seconds is equal to 7,571 years, 50 weeks, 2 days, 15 hours, 35 minutes, 21 seconds.
• To count from 1 to 238,135,390,521 would take you about fifteen thousand, one 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 238135390521 cubic inches would be around 516.5 feet tall.

Recreational maths with 238135390521

• 238135390521 backwards is 125093531832
• The number of decimal digits it has is: 12
• The sum of 238135390521's digits is 42
• More coming soon!