72978844466

Names of 72978844466

• Cardinal: 72978844466 can be written as Seventy-two billion, nine hundred seventy-eight million, eight hundred forty-four thousand, four hundred sixty-six.

Scientific notation

• Scientific notation: 7.2978844466 × 10¹⁰

Factors of 72978844466

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 145

Divisors of 72978844466

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 11 19 22 38 113 121 209 226 242 418 1243 1331 2147 2299 2486 2662 4294 4598 12769 13673 23617 25289 25538 27346 47234 50578 140459 150403 242611 259787 280918 300806 485222 519574 1442897 1545049 2668721 2857657 2885794 3090098 5337442 5715314 15871867 16995539 27415043 29355931 31743734 33991078 54830086 58711862 174590537 301565473 322915241 349181074 603130946 645830482 1920495907 3317220203 3840991814 6634440406 36489422233 72978844466
• Sum of all divisors σ(n): 127875715200
• Sum of proper divisors (its aliquot sum) s(n): 54896870734
• 72978844466 is a deficient number, because the sum of its proper divisors (54896870734) is less than itself. Its deficiency is 18081973732

Bases of 72978844466

• Binary: 1000011111101111000001100101100110010₂
• Hexadecimal: 0x10FDE0CB32
• Base-36: XIXPWS2

Squares and roots of 72978844466

• 72978844466 squared (72978844466²) is 5325911739592618825156
• 72978844466 cubed (72978844466³) is 388678884483373223442683372186696
• The square root of 72978844466 is 270145.9688131585
• The cube root of 72978844466 is 4178.9354306511

Scales and comparisons

• 72,978,844,466 seconds is equal to 2,320 years, 26 weeks, 13 hours, 14 minutes, 26 seconds.
• To count from 1 to 72,978,844,466 would take you about four thousand, six hundred forty-one 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 72978844466 cubic inches would be around 348.2 feet tall.

Recreational maths with 72978844466

• 72978844466 backwards is 66444887927
• The number of decimal digits it has is: 11
• The sum of 72978844466's digits is 65
• More coming soon!