398435378815136

Names of 398435378815136

• Cardinal: 398435378815136 can be written as Three hundred ninety-eight trillion, four hundred thirty-five billion, three hundred seventy-eight million, eight hundred fifteen thousand, one hundred thirty-six.

Scientific notation

• Scientific notation: 3.98435378815136 × 10¹⁴

Factors of 398435378815136

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 5845

Divisors of 398435378815136

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 8 13 16 26 32 52 104 173 208 346 416 692 1384 2249 2768 4498 5536 5657 8996 11314 17992 22628 29929 35984 45256 59858 71968 73541 90512 119716 147082 181024 239432 294164 389077 478864 588328 778154 957728 978661 1176656 1556308 1957322 2353312 3112616 3914644 6225232 7829288 12450464 12722593 15658576 25445186 31317152 32001649 50890372 64003298 101780744 128006596 169308353 203561488 256013192 338616706 407122976 416021437 512026384 677233412 832042874 1024052768 1354466824 1664085748 2201008589 2708933648 3328171496 4402017178 5417867296 5536285277 6656342992 8804034356 11072570554 13312685984 17608068712 22145141108 35216137424 44290282216 70432274848 71971708601 88580564432 143943417202 177161128864 287886834404 575773668808 957777352921 1151547337616 1915554705842 2303094675232 3831109411684 7662218823368 12451105587973 15324437646736 24902211175946 30648875293472 49804422351892 99608844703784 199217689407568 398435378815136
• Sum of all divisors σ(n): 849821079031722
• Sum of proper divisors (its aliquot sum) s(n): 451385700216586
• 398435378815136 is an abundant number, because the sum of its proper divisors (451385700216586) is greater than itself. Its abundance is 52950321401450

Bases of 398435378815136

• Binary: 1011010100101111111110111001110000110000010100000₂
• Hexadecimal: 0x16A5FF73860A0
• Base-36: 3X8EOP8ZVK

Squares and roots of 398435378815136

• 398435378815136 squared (398435378815136²) is 158750751091560925227262698496
• 398435378815136 cubed (398435378815136³) is 63251915648353442094724755526603798489235456
• The square root of 398435378815136 is 19960846.1447689135
• The cube root of 398435378815136 is 73584.4358786663

Scales and comparisons

• 398,435,378,815,136 seconds is equal to 12,669,012 years, 31 weeks, 3 days, 3 hours, 18 minutes, 56 seconds.
• To count from 1 to 398,435,378,815,136 would take you about thirty-one million, six hundred seventy-two thousand, five hundred thirty-one 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 398435378815136 cubic inches would be around 6132 feet tall.

Recreational maths with 398435378815136

• 398435378815136 backwards is 631518873534893
• The number of decimal digits it has is: 15
• The sum of 398435378815136's digits is 74
• More coming soon!