172990863309

Names of 172990863309

• Cardinal: 172990863309 can be written as One hundred seventy-two billion, nine hundred ninety million, eight hundred sixty-three thousand, three hundred nine.

Scientific notation

• Scientific notation: 1.72990863309 × 10¹¹

Factors of 172990863309

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2110

Divisors of 172990863309

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 11 23 33 41 53 69 123 159 253 451 583 759 943 1219 1353 1749 1979 2173 2809 2829 3657 5937 6519 8427 10373 13409 21769 23903 30899 31119 40227 45517 49979 64607 65307 71709 81139 92697 104887 115169 136551 149937 193821 243417 314661 345507 500687 549769 710677 892529 1153757 1266859 1502061 1649307 1866197 2132031 2412401 2648887 2677587 3461271 3800577 4300367 5559011 5598591 7237203 7946661 12901101 16677033 20528167 26536411 29137757 47304037 61149121 61584501 79609233 87413271 98908441 127857253 141912111 183447363 227919451 296725323 383571759 683758353 1087992851 1406429783 2507113961 3263978553 4219289349 5242147373 7521341883 15726442119 57663621103 172990863309
• Sum of all divisors σ(n): 274276316160
• Sum of proper divisors (its aliquot sum) s(n): 101285452851
• 172990863309 is a deficient number, because the sum of its proper divisors (101285452851) is less than itself. Its deficiency is 71705410458

Bases of 172990863309

• Binary: 10100001000111000011110001011111001101₂
• Hexadecimal: 0x28470F17CD
• Base-36: 27GYAKEL

Squares and roots of 172990863309

• 172990863309 squared (172990863309²) is 29925838788393122429481
• 172990863309 cubed (172990863309³) is 5176896687250084817954049662812629
• The square root of 172990863309 is 415921.7033397031
• The cube root of 172990863309 is 5571.9565610573

Scales and comparisons

• 172,990,863,309 seconds is equal to 5,500 years, 29 weeks, 6 days, 1 hour, 35 minutes, 9 seconds.
• To count from 1 to 172,990,863,309 would take you about eleven thousand and one 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 172990863309 cubic inches would be around 464.3 feet tall.

Recreational maths with 172990863309

• 172990863309 backwards is 903368099271
• The number of decimal digits it has is: 12
• The sum of 172990863309's digits is 57
• More coming soon!