72493794688

Names of 72493794688

• Cardinal: 72493794688 can be written as Seventy-two billion, four hundred ninety-three million, seven hundred ninety-four thousand, six hundred eighty-eight.

Scientific notation

• Scientific notation: 7.2493794688 × 10¹⁰

Factors of 72493794688

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4759335

Divisors of 72493794688

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 7 8 14 16 17 28 32 34 56 64 68 112 119 128 136 224 238 272 448 476 544 896 952 1088 1904 2176 3808 7616 15232 4759309 9518618 19037236 33315163 38074472 66630326 76148944 80908253 133260652 152297888 161816506 266521304 304595776 323633012 533042608 566357771 609191552 647266024 1066085216 1132715542 1294532048 2132170432 2265431084 2589064096 4264340864 4530862168 5178128192 9061724336 10356256384 18123448672 36246897344 72493794688
• Sum of all divisors σ(n): 174761863200
• Sum of proper divisors (its aliquot sum) s(n): 102268068512
• 72493794688 is an abundant number, because the sum of its proper divisors (102268068512) is greater than itself. Its abundance is 29774273824

Bases of 72493794688

• Binary: 1000011100000111101111000010110000000₂
• Hexadecimal: 0x10E0F78580
• Base-36: XAWXLZ4

Squares and roots of 72493794688

• 72493794688 squared (72493794688²) is 5255350268265897017344
• 72493794688 cubed (72493794688³) is 380980283361193660167487511068672
• The square root of 72493794688 is 269246.7171350469
• The cube root of 72493794688 is 4169.6564899039

Scales and comparisons

• 72,493,794,688 seconds is equal to 2,305 years, 4 weeks, 13 hours, 11 minutes, 28 seconds.
• To count from 1 to 72,493,794,688 would take you about four thousand, six 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 72493794688 cubic inches would be around 347.5 feet tall.

Recreational maths with 72493794688

• 72493794688 backwards is 88649739427
• The number of decimal digits it has is: 11
• The sum of 72493794688's digits is 67
• More coming soon!