398012926933136128

Names of 398012926933136128

• Cardinal: 398012926933136128 can be written as Three hundred ninety-eight quadrillion, twelve trillion, nine hundred twenty-six billion, nine hundred thirty-three million, one hundred thirty-six thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 3.98012926933136128 × 10¹⁷

Factors of 398012926933136128

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1554737995832565

Divisors of 398012926933136128

• Number of divisors d(n): 18
• Complete list of divisors:
  1 2 4 8 16 32 64 128 256 1554737995832563 3109475991665126 6218951983330252 12437903966660504 24875807933321008 49751615866642016 99503231733284032 199006463466568064 398012926933136128
• Sum of all divisors σ(n): 794471115870440204
• Sum of proper divisors (its aliquot sum) s(n): 396458188937304076
• 398012926933136128 is a deficient number, because the sum of its proper divisors (396458188937304076) is less than itself. Its deficiency is 1554737995832052

Bases of 398012926933136128

• Binary: 10110000110000001101010010111110101110111001111001100000000₂
• Hexadecimal: 0x58606A5F5DCF300
• Base-36: 30UZT2FMQVB4

Squares and roots of 398012926933136128

• 398012926933136128 squared (398012926933136128²) is 158414290005881958193924089378832384
• 398012926933136128 cubed (398012926933136128³) is 63050935233275732587331189929690797508285159966769152
• The square root of 398012926933136128 is 630882657.0235832121
• The cube root of 398012926933136128 is 735584.2005267809

Scales and comparisons

• 398,012,926,933,136,128 seconds is equal to 12,655,579,941 years, 34 weeks, 1 day, 3 hours, 35 minutes, 28 seconds.
• To count from 1 to 398,012,926,933,136,128 would take you about thirty-seven billion, nine hundred sixty-six million, seven hundred thirty-nine thousand, eight hundred twenty-four 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 398012926933136128 cubic inches would be around 61298.7 feet tall.

Recreational maths with 398012926933136128

• 398012926933136128 backwards is 821631339629210893
• The number of decimal digits it has is: 18
• The sum of 398012926933136128's digits is 76
• More coming soon!