15157349172

Names of 15157349172

• Cardinal: 15157349172 can be written as Fifteen billion, one hundred fifty-seven million, three hundred forty-nine thousand, one hundred seventy-two.

Scientific notation

• Scientific notation: 1.5157349172 × 10¹⁰

Factors of 15157349172

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 104832

Divisors of 15157349172

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 577 1154 1731 2308 3462 4039 5193 6924 8078 10386 12117 16156 20772 24234 36351 48468 72702 104243 145404 208486 312729 416972 625458 729701 938187 1250916 1459402 1876374 2189103 2918804 3752748 4378206 6567309 8756412 13134618 26269236 60148211 120296422 180444633 240592844 360889266 421037477 541333899 721778532 842074954 1082667798 1263112431 1684149908 2165335596 2526224862 3789337293 5052449724 7578674586 15157349172
• Sum of all divisors σ(n): 43864207296
• Sum of proper divisors (its aliquot sum) s(n): 28706858124
• 15157349172 is an abundant number, because the sum of its proper divisors (28706858124) is greater than itself. Its abundance is 13549508952

Bases of 15157349172

• Binary: 1110000111011100101100101100110100₂
• Hexadecimal: 0x38772CB34
• Base-36: 6YOALH0

Squares and roots of 15157349172

• 15157349172 squared (15157349172²) is 229745233921929085584
• 15157349172 cubed (15157349172³) is 3482328731157498138019359536448
• The square root of 15157349172 is 123115.1866018161
• The cube root of 15157349172 is 2474.8055717485

Scales and comparisons

• 15,157,349,172 seconds is equal to 481 years, 49 weeks, 5 days, 6 hours, 46 minutes, 12 seconds.
• To count from 1 to 15,157,349,172 would take you about nine hundred sixty-three 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 15157349172 cubic inches would be around 206.2 feet tall.

Recreational maths with 15157349172

• 15157349172 backwards is 27194375151
• The number of decimal digits it has is: 11
• The sum of 15157349172's digits is 45
• More coming soon!