18336728445

Names of 18336728445

• Cardinal: 18336728445 can be written as Eighteen billion, three hundred thirty-six million, seven hundred twenty-eight thousand, four hundred forty-five.

Scientific notation

• Scientific notation: 1.8336728445 × 10¹⁰

Factors of 18336728445

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 41210

Divisors of 18336728445

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 5 7 15 17 21 35 51 85 105 119 251 255 357 595 753 1255 1757 1785 3765 4267 5271 8785 12801 21335 26355 29869 40927 64005 89607 122781 149345 204635 286489 448035 613905 695759 859467 1432445 2087277 3478795 4297335 4870313 10272677 10436385 14610939 24351565 30818031 51363385 71908739 73054695 154090155 174635509 215726217 359543695 523906527 873177545 1078631085 1222448563 2619532635 3667345689 6112242815 18336728445
• Sum of all divisors σ(n): 35644686336
• Sum of proper divisors (its aliquot sum) s(n): 17307957891
• 18336728445 is a deficient number, because the sum of its proper divisors (17307957891) is less than itself. Its deficiency is 1028770554

Bases of 18336728445

• Binary: 10001000100111101000100010101111101₂
• Hexadecimal: 0x444F4457D
• Base-36: 8F97Q7X

Squares and roots of 18336728445

• 18336728445 squared (18336728445²) is 336235610065672118025
• 18336728445 cubed (18336728445³) is 6165461075313138244632414721125
• The square root of 18336728445 is 135413.1767775943
• The cube root of 18336728445 is 2636.9827235003

Scales and comparisons

• 18,336,728,445 seconds is equal to 583 years, 2 weeks, 4 days, 15 hours, 40 minutes, 45 seconds.
• To count from 1 to 18,336,728,445 would take you about one thousand, one hundred sixty-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 18336728445 cubic inches would be around 219.7 feet tall.

Recreational maths with 18336728445

• 18336728445 backwards is 54482763381
• 18336728445 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18336728445's digits is 51
• More coming soon!