68315361440

Names of 68315361440

• Cardinal: 68315361440 can be written as Sixty-eight billion, three hundred fifteen million, three hundred sixty-one thousand, four hundred forty.

Scientific notation

• Scientific notation: 6.831536144 × 10¹⁰

Factors of 68315361440

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 11539801

Divisors of 68315361440

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 37 40 74 80 148 160 185 296 370 592 740 1184 1480 2960 5920 11539757 23079514 46159028 57698785 92318056 115397570 184636112 230795140 369272224 426971009 461590280 853942018 923180560 1707884036 1846361120 2134855045 3415768072 4269710090 6831536144 8539420180 13663072288 17078840360 34157680720 68315361440
• Sum of all divisors σ(n): 165757083912
• Sum of proper divisors (its aliquot sum) s(n): 97441722472
• 68315361440 is an abundant number, because the sum of its proper divisors (97441722472) is greater than itself. Its abundance is 29126361032

Bases of 68315361440

• Binary: 111111100111111010011011000010100000₂
• Hexadecimal: 0xFE7E9B0A0
• Base-36: VDT7A8W

Squares and roots of 68315361440

• 68315361440 squared (68315361440²) is 4666988608677838873600
• 68315361440 cubed (68315361440³) is 318827013638189283168066473984000
• The square root of 68315361440 is 261372.0747134245
• The cube root of 68315361440 is 4087.9551601425

Scales and comparisons

• 68,315,361,440 seconds is equal to 2,172 years, 11 weeks, 2 days, 1 hour, 17 minutes, 20 seconds.
• To count from 1 to 68,315,361,440 would take you about four thousand, three hundred forty-four 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 68315361440 cubic inches would be around 340.7 feet tall.

Recreational maths with 68315361440

• 68315361440 backwards is 04416351386
• The number of decimal digits it has is: 11
• The sum of 68315361440's digits is 41
• More coming soon!