398088405972

Names of 398088405972

• Cardinal: 398088405972 can be written as Three hundred ninety-eight billion, eighty-eight million, four hundred five thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 3.98088405972 × 10¹¹

Factors of 398088405972

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 219

Divisors of 398088405972

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 9 12 18 23 27 36 46 54 69 92 108 138 191 207 276 382 414 529 573 621 764 828 1058 1146 1242 1587 1719 2116 2292 2484 3174 3438 4393 4761 5157 6348 6876 8786 9522 10314 13179 14283 17572 19044 20628 26358 28566 36481 39537 52716 57132 72962 79074 101039 109443 118611 145924 158148 202078 218886 237222 303117 328329 404156 437772 474444 606234 656658 839063 909351 984987 1212468 1313316 1678126 1818702 1969974 2517189 2728053 3356252 3637404 3939948 5034378 5456106 6967871 7551567 10068756 10912212 13935742 15103134 19298449 20903613 22654701 27871484 30206268 38596898 41807226 45309402 57895347 62710839 77193796 83614452 90618804 115790694 125421678 160261033 173686041 188132517 231581388 250843356 320522066 347372082 376265034 480783099 521058123 641044132 694744164 752530068 961566198 1042116246 1442349297 1923132396 2084232492 2884698594 3686003759 4327047891 5769397188 7372007518 8654095782 11058011277 14744015036 17308191564 22116022554 33174033831 44232045108 66348067662 99522101493 132696135324 199044202986 398088405972
• Sum of all divisors σ(n): 1084583592960
• Sum of proper divisors (its aliquot sum) s(n): 686495186988
• 398088405972 is an abundant number, because the sum of its proper divisors (686495186988) is greater than itself. Its abundance is 288406781016

Bases of 398088405972

• Binary: 101110010101111111010110000001111010100₂
• Hexadecimal: 0x5CAFEB03D4
• Base-36: 52VNK3X0

Squares and roots of 398088405972

• 398088405972 squared (398088405972²) is 158474378969327885264784
• 398088405972 cubed (398088405972³) is 63086812911302378125267569706890048
• The square root of 398088405972 is 630942.4743762303
• The cube root of 398088405972 is 7356.3069623533

Scales and comparisons

• 398,088,405,972 seconds is equal to 12,657 years, 50 weeks, 6 days, 16 hours, 46 minutes, 12 seconds.
• To count from 1 to 398,088,405,972 would take you about twenty-five thousand, three hundred fifteen 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 398088405972 cubic inches would be around 613 feet tall.

Recreational maths with 398088405972

• 398088405972 backwards is 279504880893
• The number of decimal digits it has is: 12
• The sum of 398088405972's digits is 63
• More coming soon!