18155342232

Names of 18155342232

• Cardinal: 18155342232 can be written as Eighteen billion, one hundred fifty-five million, three hundred forty-two thousand, two hundred thirty-two.

Scientific notation

• Scientific notation: 1.8155342232 × 10¹⁰

Factors of 18155342232

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3667

Divisors of 18155342232

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 19 24 36 38 57 72 76 114 152 171 228 342 456 684 1368 3643 7286 10929 14572 21858 29144 32787 43716 65574 69217 87432 131148 138434 207651 262296 276868 415302 553736 622953 830604 1245906 1661208 2491812 4983624 13271449 26542898 39814347 53085796 79628694 106171592 119443041 159257388 238886082 252157531 318514776 477772164 504315062 756472593 955544328 1008630124 1512945186 2017260248 2269417779 3025890372 4538835558 6051780744 9077671116 18155342232
• Sum of all divisors σ(n): 51772862700
• Sum of proper divisors (its aliquot sum) s(n): 33617520468
• 18155342232 is an abundant number, because the sum of its proper divisors (33617520468) is greater than itself. Its abundance is 15462178236

Bases of 18155342232

• Binary: 10000111010001001001000100110011000₂
• Hexadecimal: 0x43A248998
• Base-36: 8C97ZQ0

Squares and roots of 18155342232

• 18155342232 squared (18155342232²) is 329616451561042741824
• 18155342232 cubed (18155342232³) is 5984299483388181616594339911168
• The square root of 18155342232 is 134741.7612768959
• The cube root of 18155342232 is 2628.2589175199

Scales and comparisons

• 18,155,342,232 seconds is equal to 577 years, 14 weeks, 5 days, 6 hours, 37 minutes, 12 seconds.
• To count from 1 to 18,155,342,232 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 18155342232 cubic inches would be around 219 feet tall.

Recreational maths with 18155342232

• 18155342232 backwards is 23224355181
• 18155342232 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18155342232's digits is 36
• More coming soon!