8438397343790913

Names of 8438397343790913

• Cardinal: 8438397343790913 can be written as Eight quadrillion, four hundred thirty-eight trillion, three hundred ninety-seven billion, three hundred forty-three million, seven hundred ninety thousand, nine hundred thirteen.

Scientific notation

• Scientific notation: 8.438397343790913 × 10¹⁵

Factors of 8438397343790913

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 13206

Divisors of 8438397343790913

• Number of divisors d(n): 60
• Complete list of divisors:
  1 3 9 27 81 331 993 2979 4603 8269 8937 13809 24807 26811 41427 74421 124281 223263 372843 669789 1523593 2737039 4570779 8211117 13712337 24633351 38062207 41137011 68376361 73900053 114186621 123411033 205129083 221700159 342559863 615387249 1027679589 1846161747 3083038767 5538485241 12598590517 22632575491 37795771551 67897726473 113387314653 203693179419 314736389683 340161943959 611079538257 944209169049 1020485831877 1833238614771 2832627507147 8497882521441 25493647564323 104177744985073 312533234955219 937599704865657 2812799114596971 8438397343790913
• Sum of all divisors σ(n): 12647866613633328
• Sum of proper divisors (its aliquot sum) s(n): 4209469269842415
• 8438397343790913 is a deficient number, because the sum of its proper divisors (4209469269842415) is less than itself. Its deficiency is 4228928073948498

Bases of 8438397343790913

• Binary: 11101111110101010110101111100001001100111011101000001₂
• Hexadecimal: 0x1DFAAD7C267741
• Base-36: 2B35U81J329

Squares and roots of 8438397343790913

• 8438397343790913 squared (8438397343790913²) is 71206549731697535965113861373569
• 8438397343790913 cubed (8438397343790913³) is 600869160116472036235609841769971079467720578497
• The square root of 8438397343790913 is 91860749.7454212649
• The cube root of 8438397343790913 is 203588.5380726175

Scales and comparisons

• 8,438,397,343,790,913 seconds is equal to 268,314,933 years, 44 weeks, 3 days, 12 hours, 8 minutes, 33 seconds.
• To count from 1 to 8,438,397,343,790,913 would take you about eight hundred four million, nine hundred forty-four thousand, eight hundred 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 8438397343790913 cubic inches would be around 16965.7 feet tall.

Recreational maths with 8438397343790913

• 8438397343790913 backwards is 3190973437938348
• 8438397343790913 is a Harshad number.
• The number of decimal digits it has is: 16
• The sum of 8438397343790913's digits is 81
• More coming soon!