72730531380

Names of 72730531380

• Cardinal: 72730531380 can be written as Seventy-two billion, seven hundred thirty million, five hundred thirty-one thousand, three hundred eighty.

Scientific notation

• Scientific notation: 7.273053138 × 10¹⁰

Factors of 72730531380

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 126263

Divisors of 72730531380

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 743 780 1486 2229 2972 3715 4458 7430 8916 9659 11145 14860 19318 22290 28977 38636 44580 48295 57954 96590 115908 125497 144885 193180 250994 289770 376491 501988 579540 627485 752982 1254970 1505964 1631461 1882455 2509940 3262922 3764910 4894383 6525844 7529820 8157305 9788766 16314610 19577532 24471915 32629220 48943830 93244271 97887660 186488542 279732813 372977084 466221355 559465626 932442710 1118931252 1212175523 1398664065 1864885420 2424351046 2797328130 3636526569 4848702092 5594656260 6060877615 7273053138 12121755230 14546106276 18182632845 24243510460 36365265690 72730531380
• Sum of all divisors σ(n): 219607444224
• Sum of proper divisors (its aliquot sum) s(n): 146876912844
• 72730531380 is an abundant number, because the sum of its proper divisors (146876912844) is greater than itself. Its abundance is 74146381464

Bases of 72730531380

• Binary: 1000011101111000100111101011000110100₂
• Hexadecimal: 0x10EF13D634
• Base-36: XETVP6C

Squares and roots of 72730531380

• 72730531380 squared (72730531380²) is 5289730194817164704400
• 72730531380 cubed (72730531380³) is 384724887925883310895992624072000
• The square root of 72730531380 is 269685.9866214779
• The cube root of 72730531380 is 4174.1903865699

Scales and comparisons

• 72,730,531,380 seconds is equal to 2,312 years, 31 weeks, 3 days, 13 hours, 23 minutes.
• To count from 1 to 72,730,531,380 would take you about four thousand, six hundred twenty-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 72730531380 cubic inches would be around 347.8 feet tall.

Recreational maths with 72730531380

• 72730531380 backwards is 08313503727
• 72730531380 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72730531380's digits is 39
• More coming soon!