61409868

Names of 61409868

• Cardinal: 61409868 can be written as Sixty-one million, four hundred nine thousand, eight hundred sixty-eight.

Scientific notation

• Scientific notation: 6.1409868 × 10⁷

Factors of 61409868

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 408

Divisors of 61409868

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 12 13 26 39 52 78 107 156 169 214 283 321 338 428 507 566 642 676 849 1014 1132 1284 1391 1698 2028 2782 3396 3679 4173 5564 7358 8346 11037 14716 16692 18083 22074 30281 36166 44148 47827 54249 60562 72332 90843 95654 108498 121124 143481 181686 191308 216996 286962 363372 393653 573924 787306 1180959 1574612 2361918 4723836 5117489 10234978 15352467 20469956 30704934 61409868
• Sum of all divisors σ(n): 157163328
• Sum of proper divisors (its aliquot sum) s(n): 95753460
• 61409868 is an abundant number, because the sum of its proper divisors (95753460) is greater than itself. Its abundance is 34343592

Bases of 61409868

• Binary: 11101010010000101001001100₂
• Hexadecimal: 0x3A90A4C
• Base-36: 10K85O

Squares and roots of 61409868

• 61409868 squared (61409868²) is 3771171887777424
• 61409868 cubed (61409868³) is 231587167833722421220032
• The square root of 61409868 is 7836.4448572041
• The cube root of 61409868 is 394.5294144851

Scales and comparisons

• 61,409,868 seconds is equal to 1 year, 49 weeks, 3 days, 18 hours, 17 minutes, 48 seconds.
• To count from 1 to 61,409,868 would take you about two 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 61409868 cubic inches would be around 32.9 feet tall.

Recreational maths with 61409868

• 61409868 backwards is 86890416
• The number of decimal digits it has is: 8
• The sum of 61409868's digits is 42
• More coming soon!