2489148909

Names of 2489148909

• Cardinal: 2489148909 can be written as Two billion, four hundred eighty-nine million, one hundred forty-eight thousand, nine hundred nine.

Scientific notation

• Scientific notation: 2.489148909 × 10⁹

Factors of 2489148909

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 703

Divisors of 2489148909

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 9 13 29 39 41 87 117 123 261 369 377 533 617 841 1131 1189 1599 1851 2523 3393 3567 4797 5553 7569 8021 10701 10933 15457 17893 24063 25297 32799 34481 46371 53679 72189 75891 98397 103443 139113 161037 227673 232609 310329 328861 448253 518897 697827 733613 986583 1344759 1556691 2093481 2200839 2959749 4034277 4670073 6602517 6745661 9536969 20236983 21274777 28610907 60710949 63824331 85832721 191472993 276572101 829716303 2489148909
• Sum of all divisors σ(n): 4114597032
• Sum of proper divisors (its aliquot sum) s(n): 1625448123
• 2489148909 is a deficient number, because the sum of its proper divisors (1625448123) is less than itself. Its deficiency is 863700786

Bases of 2489148909

• Binary: 10010100010111010110010111101101₂
• Hexadecimal: 0x945D65ED
• Base-36: 155Z3L9

Squares and roots of 2489148909

• 2489148909 squared (2489148909²) is 6195862291175890281
• 2489148909 cubed (2489148909³) is 15422423862394707620054853429
• The square root of 2489148909 is 49891.3710875939
• The cube root of 2489148909 is 1355.2423342575

Scales and comparisons

• 2,489,148,909 seconds is equal to 79 years, 7 weeks, 4 days, 14 hours, 15 minutes, 9 seconds.
• To count from 1 to 2,489,148,909 would take you about one hundred fifty-eight 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 2489148909 cubic inches would be around 112.9 feet tall.

Recreational maths with 2489148909

• 2489148909 backwards is 9098419842
• The number of decimal digits it has is: 10
• The sum of 2489148909's digits is 54
• More coming soon!