139409515898

Names of 139409515898

• Cardinal: 139409515898 can be written as One hundred thirty-nine billion, four hundred nine million, five hundred fifteen thousand, eight hundred ninety-eight.

Scientific notation

• Scientific notation: 1.39409515898 × 10¹¹

Factors of 139409515898

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 13083

Divisors of 139409515898

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 19 31 37 38 62 74 251 502 589 703 1147 1178 1406 2294 4769 7781 9287 9538 12743 15562 18574 21793 25486 43586 147839 176453 242117 287897 295678 352906 395033 471491 484234 575794 790066 942982 3198493 5470043 6396986 7505627 8958329 10940086 14616221 15011254 17916658 29232442 60771367 99153283 118344241 121542734 198306566 236688482 277708199 555416398 1883912377 2248540579 3668671471 3767824754 4497081158 7337342942 69704757949 139409515898
• Sum of all divisors σ(n): 234310164480
• Sum of proper divisors (its aliquot sum) s(n): 94900648582
• 139409515898 is a deficient number, because the sum of its proper divisors (94900648582) is less than itself. Its deficiency is 44508867316

Bases of 139409515898

• Binary: 10000001110101011101000110010101111010₂
• Hexadecimal: 0x207574657A
• Base-36: 1S1KTQWQ

Squares and roots of 139409515898

• 139409515898 squared (139409515898²) is 19435013122914714746404
• 139409515898 cubed (139409515898³) is 2709425770936817553536943476330792
• The square root of 139409515898 is 373375.8373248061
• The cube root of 139409515898 is 5185.1836113753

Scales and comparisons

• 139,409,515,898 seconds is equal to 4,432 years, 41 weeks, 1 day, 1 hour, 31 minutes, 38 seconds.
• To count from 1 to 139,409,515,898 would take you about eight thousand, eight hundred sixty-five 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 139409515898 cubic inches would be around 432.1 feet tall.

Recreational maths with 139409515898

• 139409515898 backwards is 898515904931
• 139409515898 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 139409515898's digits is 62
• More coming soon!