18189934252

Names of 18189934252

• Cardinal: 18189934252 can be written as Eighteen billion, one hundred eighty-nine million, nine hundred thirty-four thousand, two hundred fifty-two.

Scientific notation

• Scientific notation: 1.8189934252 × 10¹⁰

Factors of 18189934252

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 7446

Divisors of 18189934252

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 7 14 28 49 67 98 134 193 196 268 386 469 772 938 1351 1876 2702 3283 5404 6566 7177 9457 12931 13132 14354 18914 25862 28708 37828 50239 51724 90517 100478 181034 200956 351673 362068 480859 633619 703346 961718 1267238 1385161 1406692 1923436 2534476 2770322 3366013 5540644 6732026 9696127 13464052 19392254 23562091 38784508 47124182 67872889 92805787 94248364 135745778 185611574 271491556 371223148 649640509 1299281018 2598562036 4547483563 9094967126 18189934252
• Sum of all divisors σ(n): 37782178224
• Sum of proper divisors (its aliquot sum) s(n): 19592243972
• 18189934252 is an abundant number, because the sum of its proper divisors (19592243972) is greater than itself. Its abundance is 1402309720

Bases of 18189934252

• Binary: 10000111100001101000101111010101100₂
• Hexadecimal: 0x43C345EAC
• Base-36: 8CTTF3G

Squares and roots of 18189934252

• 18189934252 squared (18189934252²) is 330873708092082799504
• 18189934252 cubed (18189934252³) is 6018570995910426484717858211008
• The square root of 18189934252 is 134870.0643285973
• The cube root of 18189934252 is 2629.9270969205

Scales and comparisons

• 18,189,934,252 seconds is equal to 578 years, 19 weeks, 6 days, 15 hours, 30 minutes, 52 seconds.
• To count from 1 to 18,189,934,252 would take you about one thousand, one hundred fifty-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 18189934252 cubic inches would be around 219.2 feet tall.

Recreational maths with 18189934252

• 18189934252 backwards is 25243998181
• The number of decimal digits it has is: 11
• The sum of 18189934252's digits is 52
• More coming soon!