72784423828125

Names of 72784423828125

• Cardinal: 72784423828125 can be written as Seventy-two trillion, seven hundred eighty-four billion, four hundred twenty-three million, eight hundred twenty-eight thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 7.2784423828125 × 10¹³

Factors of 72784423828125

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 61

Divisors of 72784423828125

• Number of divisors d(n): 102
• Complete list of divisors:
  1 3 5 9 15 25 45 53 75 125 159 225 265 375 477 625 795 1125 1325 1875 2385 3125 3975 5625 6625 9375 11925 15625 19875 28125 33125 46875 59625 78125 99375 140625 165625 234375 298125 390625 496875 703125 828125 1171875 1490625 1953125 2484375 3515625 4140625 5859375 7453125 9765625 12421875 17578125 20703125 29296875 37265625 48828125 62109375 87890625 103515625 146484375 186328125 244140625 310546875 439453125 517578125 732421875 931640625 1220703125 1552734375 2197265625 2587890625 3662109375 4658203125 6103515625 7763671875 10986328125 12939453125 18310546875 23291015625 30517578125 38818359375 54931640625 64697265625 91552734375 116455078125 152587890625 194091796875 274658203125 323486328125 457763671875 582275390625 970458984375 1373291015625 1617431640625 2911376953125 4852294921875 8087158203125 14556884765625 24261474609375 72784423828125
• Sum of all divisors σ(n): 133895874023262
• Sum of proper divisors (its aliquot sum) s(n): 61111450195137
• 72784423828125 is a deficient number, because the sum of its proper divisors (61111450195137) is less than itself. Its deficiency is 11672973632988

Bases of 72784423828125

• Binary: 10000100011001001110001101110100011101010011101₂
• Hexadecimal: 0x423271BA3A9D
• Base-36: PSSPAPJ19

Squares and roots of 72784423828125

• 72784423828125 squared (72784423828125²) is 5297572351992130279541015625
• 72784423828125 cubed (72784423828125³) is 385580751327552206930704414844512939453125
• The square root of 72784423828125 is 8531378.7765006073
• The cube root of 72784423828125 is 41752.2114029385

Scales and comparisons

• 72,784,423,828,125 seconds is equal to 2,314,319 years, 28 weeks, 19 hours, 48 minutes, 45 seconds.
• To count from 1 to 72,784,423,828,125 would take you about five million, seven hundred eighty-five thousand, seven hundred ninety-eight 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 72784423828125 cubic inches would be around 3479.4 feet tall.

Recreational maths with 72784423828125

• 72784423828125 backwards is 52182832448727
• The number of decimal digits it has is: 14
• The sum of 72784423828125's digits is 63
• More coming soon!