61491731316

Names of 61491731316

• Cardinal: 61491731316 can be written as Sixty-one billion, four hundred ninety-one million, seven hundred thirty-one thousand, three hundred sixteen.

Scientific notation

• Scientific notation: 6.1491731316 × 10¹⁰

Factors of 61491731316

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 14058

Divisors of 61491731316

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 12 31 62 93 109 124 186 218 327 372 436 654 1308 3379 6758 10137 11881 13516 13913 20274 23762 27826 35643 40548 41739 47524 55652 71286 83478 142572 166956 368311 431303 736622 862606 1104933 1293909 1473244 1516517 1725212 2209866 2587818 3033034 4419732 4549551 5175636 6066068 9099102 18198204 47012027 94024054 141036081 165300353 188048108 282072162 330600706 495901059 564144324 661201412 991802118 1983604236 5124310943 10248621886 15372932829 20497243772 30745865658 61491731316
• Sum of all divisors σ(n): 149491125504
• Sum of proper divisors (its aliquot sum) s(n): 87999394188
• 61491731316 is an abundant number, because the sum of its proper divisors (87999394188) is greater than itself. Its abundance is 26507662872

Bases of 61491731316

• Binary: 111001010001001100010101101101110100₂
• Hexadecimal: 0xE51315B74
• Base-36: S8YL7JO

Squares and roots of 61491731316

• 61491731316 squared (61491731316²) is 3781233020239135091856
• 61491731316 cubed (61491731316³) is 232514564923732085136636131762496
• The square root of 61491731316 is 247975.2635163435
• The cube root of 61491731316 is 3947.0464769679

Scales and comparisons

• 61,491,731,316 seconds is equal to 1,955 years, 12 weeks, 5 days, 20 hours, 28 minutes, 36 seconds.
• To count from 1 to 61,491,731,316 would take you about three thousand, nine hundred ten 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 61491731316 cubic inches would be around 328.9 feet tall.

Recreational maths with 61491731316

• 61491731316 backwards is 61313719416
• The number of decimal digits it has is: 11
• The sum of 61491731316's digits is 42
• More coming soon!