4491457728

Names of 4491457728

• Cardinal: 4491457728 can be written as Four billion, four hundred ninety-one million, four hundred fifty-seven thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 4.491457728 × 10⁹

Factors of 4491457728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 17436

Divisors of 4491457728

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 6 8 12 16 19 24 32 38 48 57 64 71 76 96 114 142 152 192 213 228 284 304 426 456 568 608 852 912 1136 1216 1349 1704 1824 2272 2698 3408 3648 4047 4544 5396 6816 8094 10792 13632 16188 17341 21584 32376 34682 43168 52023 64752 69364 86336 104046 129504 138728 208092 259008 277456 329479 416184 554912 658958 832368 988437 1109824 1231211 1317916 1664736 1976874 2462422 2635832 3329472 3693633 3953748 4924844 5271664 7387266 7907496 9849688 10543328 14774532 15814992 19699376 21086656 23393009 29549064 31629984 39398752 46786018 59098128 63259968 70179027 78797504 93572036 118196256 140358054 187144072 236392512 280716108 374288144 561432216 748576288 1122864432 1497152576 2245728864 4491457728
• Sum of all divisors σ(n): 12686019840
• Sum of proper divisors (its aliquot sum) s(n): 8194562112
• 4491457728 is an abundant number, because the sum of its proper divisors (8194562112) is greater than itself. Its abundance is 3703104384

Bases of 4491457728

• Binary: 100001011101101100011010011000000₂
• Hexadecimal: 0x10BB634C0
• Base-36: 22A3IYO

Squares and roots of 4491457728

• 4491457728 squared (4491457728²) is 20173192522410921984
• 4491457728 cubed (4491457728³) is 90607041453214348736641892352
• The square root of 4491457728 is 67018.3387439587
• The cube root of 4491457728 is 1649.9182975155

Scales and comparisons

• 4,491,457,728 seconds is equal to 142 years, 42 weeks, 2 days, 11 hours, 8 minutes, 48 seconds.
• To count from 1 to 4,491,457,728 would take you about two hundred eighty-five 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 4491457728 cubic inches would be around 137.5 feet tall.

Recreational maths with 4491457728

• 4491457728 backwards is 8277541944
• The number of decimal digits it has is: 10
• The sum of 4491457728's digits is 51
• More coming soon!