31978538671849

Names of 31978538671849

• Cardinal: 31978538671849 can be written as Thirty-one trillion, nine hundred seventy-eight billion, five hundred thirty-eight million, six hundred seventy-one thousand, eight hundred forty-nine.

Scientific notation

• Scientific notation: 3.1978538671849 × 10¹³

Factors of 31978538671849

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 289

Divisors of 31978538671849

• Number of divisors d(n): 45
• Complete list of divisors:
  1 7 11 49 77 121 271 539 847 1897 2981 5929 13279 20867 32791 73441 146069 229537 514087 807851 1606759 3598609 5654957 8886361 19902511 39584699 62204527 139317577 218927621 435431689 975223039 1532493347 2408203831 5393580481 10727453429 16857426817 37755063367 59329385291 118001987719 264285443569 415305697037 652623238201 2907139879259 4568362667407 31978538671849
• Sum of all divisors σ(n): 41040173380605
• Sum of proper divisors (its aliquot sum) s(n): 9061634708756
• 31978538671849 is a deficient number, because the sum of its proper divisors (9061634708756) is less than itself. Its deficiency is 22916903963093

Bases of 31978538671849

• Binary: 111010001010110010101011100000001111011101001₂
• Hexadecimal: 0x1D1595701EE9
• Base-36: BC2QK9HWP

Squares and roots of 31978538671849

• 31978538671849 squared (31978538671849²) is 1022626935586942004905078801
• 31978538671849 cubed (31978538671849³) is 32702115006541461254804647884245225373049
• 31978538671849 is a perfect square number. Its square root is 5654957
• The cube root of 31978538671849 is 31740.9220073323

Scales and comparisons

• 31,978,538,671,849 seconds is equal to 1,016,818 years, 31 weeks, 6 days, 8 hours, 50 minutes, 49 seconds.
• To count from 1 to 31,978,538,671,849 would take you about two million, five hundred forty-two thousand and forty-six 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 31978538671849 cubic inches would be around 2645.1 feet tall.

Recreational maths with 31978538671849

• 31978538671849 backwards is 94817683587913
• The number of decimal digits it has is: 14
• The sum of 31978538671849's digits is 79
• More coming soon!