18153442446

Names of 18153442446

• Cardinal: 18153442446 can be written as Eighteen billion, one hundred fifty-three million, four hundred forty-two thousand, four hundred forty-six.

Scientific notation

• Scientific notation: 1.8153442446 × 10¹⁰

Factors of 18153442446

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 2981

Divisors of 18153442446

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 29 53 58 87 106 159 174 318 1093 1537 1801 2186 3074 3279 3602 4611 5403 6558 9222 10806 31697 52229 57929 63394 95091 95453 104458 115858 156687 173787 190182 190906 286359 313374 347574 572718 1679941 1968493 2768137 3359882 3936986 5039823 5536274 5905479 8304411 10079646 11810958 16608822 57086297 104330129 114172594 171258891 208660258 312990387 342517782 625980774 3025573741 6051147482 9076721223 18153442446
• Sum of all divisors σ(n): 38323782720
• Sum of proper divisors (its aliquot sum) s(n): 20170340274
• 18153442446 is an abundant number, because the sum of its proper divisors (20170340274) is greater than itself. Its abundance is 2016897828

Bases of 18153442446

• Binary: 10000111010000001111000110010001110₂
• Hexadecimal: 0x43A078C8E
• Base-36: 8C839U6

Squares and roots of 18153442446

• 18153442446 squared (18153442446²) is 329547472640234462916
• 18153442446 cubed (18153442446³) is 5982421077799255986491327332536
• The square root of 18153442446 is 134734.7113627369
• The cube root of 18153442446 is 2628.1672401211

Scales and comparisons

• 18,153,442,446 seconds is equal to 577 years, 11 weeks, 4 days, 6 hours, 54 minutes, 6 seconds.
• To count from 1 to 18,153,442,446 would take you about one thousand, one hundred fifty-four 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 18153442446 cubic inches would be around 219 feet tall.

Recreational maths with 18153442446

• 18153442446 backwards is 64424435181
• The number of decimal digits it has is: 11
• The sum of 18153442446's digits is 42
• More coming soon!