30491539272

Names of 30491539272

• Cardinal: 30491539272 can be written as Thirty billion, four hundred ninety-one million, five hundred thirty-nine thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 3.0491539272 × 10¹⁰

Factors of 30491539272

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 11445815

Divisors of 30491539272

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 36 37 72 74 111 148 222 296 333 444 666 888 1332 2664 11445773 22891546 34337319 45783092 68674638 91566184 103011957 137349276 206023914 274698552 412047828 423493601 824095656 846987202 1270480803 1693974404 2540961606 3387948808 3811442409 5081923212 7622884818 10163846424 15245769636 30491539272
• Sum of all divisors σ(n): 84813185340
• Sum of proper divisors (its aliquot sum) s(n): 54321646068
• 30491539272 is an abundant number, because the sum of its proper divisors (54321646068) is greater than itself. Its abundance is 23830106796

Bases of 30491539272

• Binary: 11100011001011011111111011101001000₂
• Hexadecimal: 0x7196FF748
• Base-36: E09VIA0

Squares and roots of 30491539272

• 30491539272 squared (30491539272²) is 929733967175918289984
• 30491539272 cubed (30491539272³) is 28349019772656871471710220251648
• The square root of 30491539272 is 174618.2672918271
• The cube root of 30491539272 is 3124.1109542461

Scales and comparisons

• 30,491,539,272 seconds is equal to 969 years, 27 weeks, 6 days, 8 hours, 1 minute, 12 seconds.
• To count from 1 to 30,491,539,272 would take you about one thousand, nine hundred thirty-nine 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 30491539272 cubic inches would be around 260.3 feet tall.

Recreational maths with 30491539272

• 30491539272 backwards is 27293519403
• The number of decimal digits it has is: 11
• The sum of 30491539272's digits is 45
• More coming soon!