16137891225

Names of 16137891225

• Cardinal: 16137891225 can be written as Sixteen billion, one hundred thirty-seven million, eight hundred ninety-one thousand, two hundred twenty-five.

Scientific notation

• Scientific notation: 1.6137891225 × 10¹⁰

Factors of 16137891225

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 949

Divisors of 16137891225

• Number of divisors d(n): 63
• Complete list of divisors:
  1 3 5 9 15 25 27 45 75 81 135 225 243 405 675 729 941 1215 2025 2823 3645 4705 6075 8469 14115 18225 23525 25407 42345 70575 76221 127035 211725 228663 381105 635175 685989 885481 1143315 1905525 2656443 3429945 4427405 5716575 7969329 13282215 17149725 22137025 23907987 39846645 66411075 71723961 119539935 199233225 215171883 358619805 597699675 645515649 1075859415 1793099025 3227578245 5379297075 16137891225
• Sum of all divisors σ(n): 30034670509
• Sum of proper divisors (its aliquot sum) s(n): 13896779284
• 16137891225 is a deficient number, because the sum of its proper divisors (13896779284) is less than itself. Its deficiency is 2241111941

Bases of 16137891225

• Binary: 1111000001111001001010110110011001₂
• Hexadecimal: 0x3C1E4AD99
• Base-36: 7EW30K9

Squares and roots of 16137891225

• 16137891225 squared (16137891225²) is 260431533189932000625
• 16137891225 cubed (16137891225³) is 4202815754179099891232882015625
• 16137891225 is a perfect square number. Its square root is 127035
• The cube root of 16137891225 is 2527.0602392455

Scales and comparisons

• 16,137,891,225 seconds is equal to 513 years, 7 weeks, 3 hours, 33 minutes, 45 seconds.
• To count from 1 to 16,137,891,225 would take you about one thousand and twenty-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 16137891225 cubic inches would be around 210.6 feet tall.

Recreational maths with 16137891225

• 16137891225 backwards is 52219873161
• 16137891225 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 16137891225's digits is 45
• More coming soon!