72748713015

Names of 72748713015

• Cardinal: 72748713015 can be written as Seventy-two billion, seven hundred forty-eight million, seven hundred thirteen thousand and fifteen.

Scientific notation

• Scientific notation: 7.2748713015 × 10¹⁰

Factors of 72748713015

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1860441

Divisors of 72748713015

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 5 9 11 15 33 45 55 79 99 165 237 395 495 711 869 1185 2607 3555 4345 7821 13035 39105 1860343 5581029 9301715 16743087 20463773 27905145 61391319 83715435 102318865 146967097 184173957 306956595 440901291 734835485 920869785 1322703873 1616638067 2204506455 4849914201 6613519365 8083190335 14549742603 24249571005 72748713015
• Sum of all divisors σ(n): 139302558720
• Sum of proper divisors (its aliquot sum) s(n): 66553845705
• 72748713015 is a deficient number, because the sum of its proper divisors (66553845705) is less than itself. Its deficiency is 6194867310

Bases of 72748713015

• Binary: 1000011110000001010010100010000110111₂
• Hexadecimal: 0x10F0294437
• Base-36: XF4PE7R

Squares and roots of 72748713015

• 72748713015 squared (72748713015²) is 5292375245338830390225
• 72748713015 cubed (72748713015³) is 385013487890844788494238986278375
• The square root of 72748713015 is 269719.6934133659
• The cube root of 72748713015 is 4174.5381876991

Scales and comparisons

• 72,748,713,015 seconds is equal to 2,313 years, 9 weeks, 3 days, 23 hours, 50 minutes, 15 seconds.
• To count from 1 to 72,748,713,015 would take you about four thousand, six hundred twenty-six 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 72748713015 cubic inches would be around 347.9 feet tall.

Recreational maths with 72748713015

• 72748713015 backwards is 51031784727
• 72748713015 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72748713015's digits is 45
• More coming soon!