72434130

Names of 72434130

• Cardinal: 72434130 can be written as Seventy-two million, four hundred thirty-four thousand, one hundred thirty.

Scientific notation

• Scientific notation: 7.243413 × 10⁷

Factors of 72434130

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1075

Divisors of 72434130

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 10 15 23 30 46 69 113 115 138 226 230 339 345 565 678 690 929 1130 1695 1858 2599 2787 3390 4645 5198 5574 7797 9290 12995 13935 15594 21367 25990 27870 38985 42734 64101 77970 104977 106835 128202 209954 213670 314931 320505 524885 629862 641010 1049770 1574655 2414471 3149310 4828942 7243413 12072355 14486826 24144710 36217065 72434130
• Sum of all divisors σ(n): 183202560
• Sum of proper divisors (its aliquot sum) s(n): 110768430
• 72434130 is an abundant number, because the sum of its proper divisors (110768430) is greater than itself. Its abundance is 38334300

Bases of 72434130

• Binary: 100010100010100000111010010₂
• Hexadecimal: 0x45141D2
• Base-36: 174IJ6

Squares and roots of 72434130

• 72434130 squared (72434130²) is 5246703188856900
• 72434130 cubed (72434130³) is 380040380853075245997000
• The square root of 72434130 is 8510.8242844039
• The cube root of 72434130 is 416.8512256169

Scales and comparisons

• 72,434,130 seconds is equal to 2 years, 15 weeks, 5 days, 8 hours, 35 minutes, 30 seconds.
• To count from 1 to 72,434,130 would take you about three 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 72434130 cubic inches would be around 34.7 feet tall.

Recreational maths with 72434130

• 72434130 backwards is 03143427
• The number of decimal digits it has is: 8
• The sum of 72434130's digits is 24
• More coming soon!