19191481364

Names of 19191481364

• Cardinal: 19191481364 can be written as Nineteen billion, one hundred ninety-one million, four hundred eighty-one thousand, three hundred sixty-four.

Scientific notation

• Scientific notation: 1.9191481364 × 10¹⁰

Factors of 19191481364

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 44

Divisors of 19191481364

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 11 22 31 44 62 121 124 242 341 484 682 961 1331 1364 1922 2662 3751 3844 5324 7502 10571 14641 15004 21142 29282 29791 41261 42284 58564 59582 82522 116281 119164 161051 165044 232562 322102 327701 453871 465124 644204 655402 907742 1279091 1310804 1815484 2558182 3604711 4992581 5116364 7209422 9985162 14070001 14418844 19970324 28140002 39651821 56280004 79303642 154770011 158607284 309540022 436170031 619080044 872340062 1744680124 4797870341 9595740682 19191481364
• Sum of all divisors σ(n): 38174992128
• Sum of proper divisors (its aliquot sum) s(n): 18983510764
• 19191481364 is a deficient number, because the sum of its proper divisors (18983510764) is less than itself. Its deficiency is 207970600

Bases of 19191481364

• Binary: 10001110111111001101100010000010100₂
• Hexadecimal: 0x477E6C414
• Base-36: 8TE41SK

Squares and roots of 19191481364

• 19191481364 squared (19191481364²) is 368312956944759300496
• 19191481364 cubed (19191481364³) is 7068471249325082492934659956544
• The square root of 19191481364 is 138533.3222152707
• The cube root of 19191481364 is 2677.3357239941

Scales and comparisons

• 19,191,481,364 seconds is equal to 610 years, 11 weeks, 6 days, 15 hours, 2 minutes, 44 seconds.
• To count from 1 to 19,191,481,364 would take you about one thousand, two hundred twenty 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 19191481364 cubic inches would be around 223.1 feet tall.

Recreational maths with 19191481364

• 19191481364 backwards is 46318419191
• The number of decimal digits it has is: 11
• The sum of 19191481364's digits is 47
• More coming soon!