61285020790

Names of 61285020790

• Cardinal: 61285020790 can be written as Sixty-one billion, two hundred eighty-five million, twenty thousand, seven hundred ninety.

Scientific notation

• Scientific notation: 6.128502079 × 10¹⁰

Factors of 61285020790

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 134374

Divisors of 61285020790

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 5 7 10 14 19 35 38 49 70 95 98 133 190 245 266 343 490 665 686 931 1330 1715 1862 2401 3430 4655 4802 6517 9310 12005 13034 24010 32585 45619 65170 91238 134341 228095 268682 456190 671705 940387 1343410 1880774 2552479 4701935 5104958 6582709 9403870 12762395 13165418 17867353 25524790 32913545 35734706 46078963 65827090 89336765 92157926 125071471 178673530 230394815 250142942 322552741 460789630 625357355 645105482 875500297 1250714710 1612763705 1751000594 3225527410 4377501485 6128502079 8755002970 12257004158 30642510395 61285020790
• Sum of all divisors σ(n): 135465099120
• Sum of proper divisors (its aliquot sum) s(n): 74180078330
• 61285020790 is an abundant number, because the sum of its proper divisors (74180078330) is greater than itself. Its abundance is 12895057540

Bases of 61285020790

• Binary: 111001000100110111110011010001110110₂
• Hexadecimal: 0xE44DF3476
• Base-36: S5JIOOM

Squares and roots of 61285020790

• 61285020790 squared (61285020790²) is 3755853773230732224100
• 61285020790 cubed (61285020790³) is 230177576576645369820891439039000
• The square root of 61285020790 is 247558.1159849137
• The cube root of 61285020790 is 3942.6187163269

Scales and comparisons

• 61,285,020,790 seconds is equal to 1,948 years, 35 weeks, 8 hours, 53 minutes, 10 seconds.
• To count from 1 to 61,285,020,790 would take you about three thousand, eight hundred ninety-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 61285020790 cubic inches would be around 328.6 feet tall.

Recreational maths with 61285020790

• 61285020790 backwards is 09702058216
• The number of decimal digits it has is: 11
• The sum of 61285020790's digits is 40
• More coming soon!