25308997000

Names of 25308997000

• Cardinal: 25308997000 can be written as Twenty-five billion, three hundred eight million, nine hundred ninety-seven thousand.

Scientific notation

• Scientific notation: 2.5308997 × 10¹⁰

Factors of 25308997000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3615585

Divisors of 25308997000

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 25 28 35 40 50 56 70 100 125 140 175 200 250 280 350 500 700 875 1000 1400 1750 3500 7000 3615571 7231142 14462284 18077855 25308997 28924568 36155710 50617994 72311420 90389275 101235988 126544985 144622840 180778550 202471976 253089970 361557100 451946375 506179940 632724925 723114200 903892750 1012359880 1265449850 1807785500 2530899700 3163624625 3615571000 5061799400 6327249250 12654498500 25308997000
• Sum of all divisors σ(n): 67683507840
• Sum of proper divisors (its aliquot sum) s(n): 42374510840
• 25308997000 is an abundant number, because the sum of its proper divisors (42374510840) is greater than itself. Its abundance is 17065513840

Bases of 25308997000

• Binary: 10111100100100010001010010110001000₂
• Hexadecimal: 0x5E488A588
• Base-36: BMKBN2G

Squares and roots of 25308997000

• 25308997000 squared (25308997000²) is 640545329146009000000
• 25308997000 cubed (25308997000³) is 16211559813720354342973000000000
• The square root of 25308997000 is 159088.0165191583
• The cube root of 25308997000 is 2936.0152798739

Scales and comparisons

• 25,308,997,000 seconds is equal to 804 years, 38 weeks, 6 days, 4 hours, 56 minutes, 40 seconds.
• To count from 1 to 25,308,997,000 would take you about one thousand, six hundred 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 25308997000 cubic inches would be around 244.7 feet tall.

Recreational maths with 25308997000

• 25308997000 backwards is 00079980352
• The number of decimal digits it has is: 11
• The sum of 25308997000's digits is 43
• More coming soon!