12438897128832

Names of 12438897128832

• Cardinal: 12438897128832 can be written as Twelve trillion, four hundred thirty-eight billion, eight hundred ninety-seven million, one hundred twenty-eight thousand, eight hundred thirty-two.

Scientific notation

• Scientific notation: 1.2438897128832 × 10¹³

Factors of 12438897128832

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 363965951

Divisors of 12438897128832

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 89 96 128 178 192 267 356 384 534 712 1068 1424 2136 2848 4272 5696 8544 11392 17088 34176 363965857 727931714 1091897571 1455863428 2183795142 2911726856 4367590284 5823453712 8735180568 11646907424 17470361136 23293814848 32392961273 34940722272 46587629696 64785922546 69881444544 97178883819 129571845092 139762889088 194357767638 259143690184 388715535276 518287380368 777431070552 1036574760736 1554862141104 2073149521472 3109724282208 4146299042944 6219448564416 12438897128832
• Sum of all divisors σ(n): 33412065764400
• Sum of proper divisors (its aliquot sum) s(n): 20973168635568
• 12438897128832 is an abundant number, because the sum of its proper divisors (20973168635568) is greater than itself. Its abundance is 8534271506736

Bases of 12438897128832

• Binary: 10110101000000101000000010110111010110000000₂
• Hexadecimal: 0xB50280B7580
• Base-36: 4EQCM6R9C

Squares and roots of 12438897128832

• 12438897128832 squared (12438897128832²) is 154726161781664973205684224
• 12438897128832 cubed (12438897128832³) is 1924622809541147964868727704895637946368
• The square root of 12438897128832 is 3526882.0690281097
• The cube root of 12438897128832 is 23170.0671297015

Scales and comparisons

• 12,438,897,128,832 seconds is equal to 395,518 years, 23 weeks, 3 days, 18 hours, 27 minutes, 12 seconds.
• To count from 1 to 12,438,897,128,832 would take you about nine hundred eighty-eight thousand, seven hundred ninety-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 12438897128832 cubic inches would be around 1930.8 feet tall.

Recreational maths with 12438897128832

• 12438897128832 backwards is 23882179883421
• The number of decimal digits it has is: 14
• The sum of 12438897128832's digits is 66
• More coming soon!