61990427020878

Names of 61990427020878

• Cardinal: 61990427020878 can be written as Sixty-one trillion, nine hundred ninety billion, four hundred twenty-seven million, twenty thousand, eight hundred seventy-eight.

Scientific notation

• Scientific notation: 6.1990427020878 × 10¹³

Factors of 61990427020878

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 640966631

Divisors of 61990427020878

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 9 18 27 54 81 162 199 243 398 486 597 1194 1791 3582 5373 10746 16119 32238 48357 96714 640966427 1281932854 1922899281 3845798562 5768697843 11537395686 17306093529 34612187058 51918280587 103836561174 127552318973 155754841761 255104637946 311509683522 382656956919 765313913838 1147970870757 2295941741514 3443912612271 6887825224542 10331737836813 20663475673626 30995213510439 61990427020878
• Sum of all divisors σ(n): 139987067875200
• Sum of proper divisors (its aliquot sum) s(n): 77996640854322
• 61990427020878 is an abundant number, because the sum of its proper divisors (77996640854322) is greater than itself. Its abundance is 16006213833444

Bases of 61990427020878

• Binary: 1110000110000101000101011000011100111001001110₂
• Hexadecimal: 0x38614561CE4E
• Base-36: LZ20BPAVI

Squares and roots of 61990427020878

• 61990427020878 squared (61990427020878²) is 3842813042230801270247890884
• 61990427020878 cubed (61990427020878³) is 238217621449286653990503820668802933876152
• The square root of 61990427020878 is 7873399.9657630755
• The cube root of 61990427020878 is 39576.8789589567

Scales and comparisons

• 61,990,427,020,878 seconds is equal to 1,971,103 years, 43 weeks, 1 day, 5 hours, 21 minutes, 18 seconds.
• To count from 1 to 61,990,427,020,878 would take you about four million, nine hundred twenty-seven thousand, seven hundred fifty-nine 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 61990427020878 cubic inches would be around 3298.1 feet tall.

Recreational maths with 61990427020878

• 61990427020878 backwards is 87802072409916
• The number of decimal digits it has is: 14
• The sum of 61990427020878's digits is 63
• More coming soon!