61691761355742

Names of 61691761355742

• Cardinal: 61691761355742 can be written as Sixty-one trillion, six hundred ninety-one billion, seven hundred sixty-one million, three hundred fifty-five thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 6.1691761355742 × 10¹³

Factors of 61691761355742

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 2138066414

Divisors of 61691761355742

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 42 63 126 229 458 687 1374 1603 2061 3206 4122 4809 9618 14427 28854 2138066173 4276132346 6414198519 12828397038 14966463211 19242595557 29932926422 38485191114 44899389633 89798779266 134698168899 269396337798 489617153617 979234307234 1468851460851 2937702921702 3427320075319 4406554382553 6854640150638 8813108765106 10281960225957 20563920451914 30845880677871 61691761355742
• Sum of all divisors σ(n): 153427628646240
• Sum of proper divisors (its aliquot sum) s(n): 91735867290498
• 61691761355742 is an abundant number, because the sum of its proper divisors (91735867290498) is greater than itself. Its abundance is 30044105934756

Bases of 61691761355742

• Binary: 1110000001101110111011100001010110101111011110₂
• Hexadecimal: 0x381BBB856BDE
• Base-36: LV8SXVKRI

Squares and roots of 61691761355742

• 61691761355742 squared (61691761355742²) is 3805873419173822009876370564
• 61691761355742 cubed (61691761355742³) is 234791034725833266773566481819163021178488
• The square root of 61691761355742 is 7854410.3124131477
• The cube root of 61691761355742 is 39513.2170384353

Scales and comparisons

• 61,691,761,355,742 seconds is equal to 1,961,607 years, 9 weeks, 4 days, 16 hours, 35 minutes, 42 seconds.
• To count from 1 to 61,691,761,355,742 would take you about four million, nine hundred four thousand and seventeen 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 61691761355742 cubic inches would be around 3292.8 feet tall.

Recreational maths with 61691761355742

• 61691761355742 backwards is 24755316719616
• 61691761355742 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 61691761355742's digits is 63
• More coming soon!