25105409742

Names of 25105409742

• Cardinal: 25105409742 can be written as Twenty-five billion, one hundred five million, four hundred nine thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 2.5105409742 × 10¹⁰

Factors of 25105409742

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 189873

Divisors of 25105409742

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 7 14 21 23 42 46 69 137 138 161 274 322 411 483 822 959 966 1918 2877 3151 5754 6302 9453 18906 22057 44114 66171 132342 189701 379402 569103 1138206 1327907 2655814 3983721 4363123 7967442 8726246 13089369 25989037 26178738 30541861 51978074 61083722 77967111 91625583 155934222 181923259 183251166 363846518 545769777 597747851 1091539554 1195495702 1793243553 3586487106 4184234957 8368469914 12552704871 25105409742
• Sum of all divisors σ(n): 60316130304
• Sum of proper divisors (its aliquot sum) s(n): 35210720562
• 25105409742 is an abundant number, because the sum of its proper divisors (35210720562) is greater than itself. Its abundance is 10105310820

Bases of 25105409742

• Binary: 10111011000011001100010011011001110₂
• Hexadecimal: 0x5D86626CE
• Base-36: BJ7424U

Squares and roots of 25105409742

• 25105409742 squared (25105409742²) is 630281598313708506564
• 25105409742 cubed (25105409742³) is 15823477778508308312840116546488
• The square root of 25105409742 is 158446.8672520855
• The cube root of 25105409742 is 2928.1215752189

Scales and comparisons

• 25,105,409,742 seconds is equal to 798 years, 14 weeks, 1 day, 20 hours, 55 minutes, 42 seconds.
• To count from 1 to 25,105,409,742 would take you about one thousand, five hundred ninety-six 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 25105409742 cubic inches would be around 244 feet tall.

Recreational maths with 25105409742

• 25105409742 backwards is 24790450152
• The number of decimal digits it has is: 11
• The sum of 25105409742's digits is 39
• More coming soon!