18982907352991345

Names of 18982907352991345

• Cardinal: 18982907352991345 can be written as Eighteen quadrillion, nine hundred eighty-two trillion, nine hundred seven billion, three hundred fifty-two million, nine hundred ninety-one thousand, three hundred forty-five.

Scientific notation

• Scientific notation: 1.8982907352991345 × 10¹⁶

Factors of 18982907352991345

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4836

Divisors of 18982907352991345

• Number of divisors d(n): 48
• Complete list of divisors:
  1 5 31 155 179 895 4621 5549 23105 27745 32041 143251 160205 716255 827159 993271 4135795 4966355 5735339 21353641 25641929 28676695 106768205 128209645 148061461 177795509 661962871 740307305 888977545 3309814355 3822301739 4589905291 19111508695 22949526455 26503001519 118491353909 132515007595 592456769545 684192011281 821593047089 3420960056405 4107965235445 21209952349711 106049761748555 122470370019299 612351850096495 3796581470598269 18982907352991345
• Sum of all divisors σ(n): 23651532162869760
• Sum of proper divisors (its aliquot sum) s(n): 4668624809878415
• 18982907352991345 is a deficient number, because the sum of its proper divisors (4668624809878415) is less than itself. Its deficiency is 14314282543112930

Bases of 18982907352991345

• Binary: 1000011011100001101101010001001100101000100011001110001₂
• Hexadecimal: 0x4370DA89944671
• Base-36: 56WVN8XTSHD

Squares and roots of 18982907352991345

• 18982907352991345 squared (18982907352991345²) is 360350771572252872482719644909025
• 18982907352991345 cubed (18982907352991345³) is 6840505311335023587899632264169741750034137388625
• The square root of 18982907352991345 is 137778472.0229954685
• The cube root of 18982907352991345 is 266760.1232381081

Scales and comparisons

• 18,982,907,352,991,345 seconds is equal to 603,597,735 years, 43 weeks, 3 days, 19 hours, 22 minutes, 25 seconds.
• To count from 1 to 18,982,907,352,991,345 would take you about one billion, eight hundred ten million, seven hundred ninety-three thousand, two hundred seven 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 18982907352991345 cubic inches would be around 22230 feet tall.

Recreational maths with 18982907352991345

• 18982907352991345 backwards is 54319925370928981
• The number of decimal digits it has is: 17
• The sum of 18982907352991345's digits is 85
• More coming soon!