395996985021

Names of 395996985021

• Cardinal: 395996985021 can be written as Three hundred ninety-five billion, nine hundred ninety-six million, nine hundred eighty-five thousand and twenty-one.

Scientific notation

• Scientific notation: 3.95996985021 × 10¹¹

Factors of 395996985021

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 12010

Divisors of 395996985021

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 11 29 31 33 87 93 319 341 899 957 1023 1249 2697 3747 9889 10687 13739 29667 32061 36221 38719 41217 108663 116157 117557 309923 331297 352671 398431 425909 929769 993891 1122851 1195293 1277727 3368553 3409153 3644267 9607613 10227459 10932801 12351361 13348063 28822839 37054083 40044189 105683743 146828693 317051229 387093827 413789953 440486079 1161281481 1241369859 4258032097 4551689483 11999908637 12774096291 13655068449 35999725911 131998995007 395996985021
• Sum of all divisors σ(n): 615628800000
• Sum of proper divisors (its aliquot sum) s(n): 219631814979
• 395996985021 is a deficient number, because the sum of its proper divisors (219631814979) is less than itself. Its deficiency is 176365170042

Bases of 395996985021

• Binary: 101110000110011010000100111011010111101₂
• Hexadecimal: 0x5C334276BD
• Base-36: 51X2DP6L

Squares and roots of 395996985021

• 395996985021 squared (395996985021²) is 156813612145722098370441
• 395996985021 cubed (395996985021³) is 62097717619958417457628213186164261
• The square root of 395996985021 is 629282.9133394613
• The cube root of 395996985021 is 7343.4018254215

Scales and comparisons

• 395,996,985,021 seconds is equal to 12,591 years, 24 weeks, 6 days, 10 hours, 30 minutes, 21 seconds.
• To count from 1 to 395,996,985,021 would take you about twenty-five thousand, one hundred eighty-two 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 395996985021 cubic inches would be around 612 feet tall.

Recreational maths with 395996985021

• 395996985021 backwards is 120589699593
• The number of decimal digits it has is: 12
• The sum of 395996985021's digits is 66
• More coming soon!