18678242752

Names of 18678242752

• Cardinal: 18678242752 can be written as Eighteen billion, six hundred seventy-eight million, two hundred forty-two thousand, seven hundred fifty-two.

Scientific notation

• Scientific notation: 1.8678242752 × 10¹⁰

Factors of 18678242752

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1121

Divisors of 18678242752

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 4 8 13 16 19 26 32 38 52 64 76 104 152 208 247 304 416 494 608 832 988 1087 1216 1976 2174 3952 4348 7904 8696 14131 15808 17392 20653 28262 34784 41306 56524 69568 82612 113048 165224 226096 268489 330448 452192 536978 660896 904384 1073956 1181569 1321792 2147912 2363138 4295824 4726276 8591648 9452552 15360397 17183296 18905104 22449811 30720794 37810208 44899622 61441588 75620416 89799244 122883176 179598488 245766352 291847543 359196976 491532704 583695086 718393952 983065408 1167390172 1436787904 2334780344 4669560688 9339121376 18678242752
• Sum of all divisors σ(n): 42055282920
• Sum of proper divisors (its aliquot sum) s(n): 23377040168
• 18678242752 is an abundant number, because the sum of its proper divisors (23377040168) is greater than itself. Its abundance is 4698797416

Bases of 18678242752

• Binary: 10001011001010011110101110111000000₂
• Hexadecimal: 0x4594F5DC0
• Base-36: 8KWJKCG

Squares and roots of 18678242752

• 18678242752 squared (18678242752²) is 348876752302640533504
• 18678242752 cubed (18678242752³) is 6516404670038094855382501163008
• The square root of 18678242752 is 136668.3677812829
• The cube root of 18678242752 is 2653.2530479705

Scales and comparisons

• 18,678,242,752 seconds is equal to 593 years, 47 weeks, 2 days, 8 hours, 45 minutes, 52 seconds.
• To count from 1 to 18,678,242,752 would take you about one thousand, one hundred eighty-seven 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 18678242752 cubic inches would be around 221.1 feet tall.

Recreational maths with 18678242752

• 18678242752 backwards is 25724287681
• 18678242752 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18678242752's digits is 52
• More coming soon!