398393241856

Names of 398393241856

• Cardinal: 398393241856 can be written as Three hundred ninety-eight billion, three hundred ninety-three million, two hundred forty-one thousand, eight hundred fifty-six.

Scientific notation

• Scientific notation: 3.98393241856 × 10¹¹

Factors of 398393241856

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 488

Divisors of 398393241856

• Number of divisors d(n): 81
• Complete list of divisors:
  1 2 4 8 16 32 64 103 128 206 256 383 412 766 824 1532 1648 3064 3296 6128 6592 10609 12256 13184 21218 24512 26368 39449 42436 49024 78898 84872 98048 146689 157796 169744 293378 315592 339488 586756 631184 678976 1173512 1262368 1357952 2347024 2524736 2715904 4063247 4694048 5049472 8126494 9388096 10098944 15108967 16252988 18776192 30217934 32505976 37552384 60435868 65011952 120871736 130023904 241743472 260047808 483486944 520095616 966973888 1040191232 1556223601 1933947776 3112447202 3867895552 6224894404 12449788808 24899577616 49799155232 99598310464 199196620928 398393241856
• Sum of all divisors σ(n): 805128048039
• Sum of proper divisors (its aliquot sum) s(n): 406734806183
• 398393241856 is an abundant number, because the sum of its proper divisors (406734806183) is greater than itself. Its abundance is 8341564327

Bases of 398393241856

• Binary: 101110011000010000101100111000100000000₂
• Hexadecimal: 0x5CC2167100
• Base-36: 530P1SSG

Squares and roots of 398393241856

• 398393241856 squared (398393241856²) is 158717175156533310324736
• 398393241856 cubed (398393241856³) is 63231849948837889758722851147350016
• 398393241856 is a perfect square number. Its square root is 631184
• The cube root of 398393241856 is 7358.1841787009

Scales and comparisons

• 398,393,241,856 seconds is equal to 12,667 years, 34 weeks, 6 days, 21 hours, 24 minutes, 16 seconds.
• To count from 1 to 398,393,241,856 would take you about twenty-five thousand, three hundred thirty-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 398393241856 cubic inches would be around 613.2 feet tall.

Recreational maths with 398393241856

• 398393241856 backwards is 658142393893
• The number of decimal digits it has is: 12
• The sum of 398393241856's digits is 61
• More coming soon!