138081174

Names of 138081174

• Cardinal: 138081174 can be written as One hundred thirty-eight million, eighty-one thousand, one hundred seventy-four.

Scientific notation

• Scientific notation: 1.38081174 × 10⁸

Factors of 138081174

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 17621

Divisors of 138081174

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 7 11 14 17 21 22 33 34 42 51 66 77 102 119 154 187 231 238 357 374 462 561 714 1122 1309 2618 3927 7854 17581 35162 52743 105486 123067 193391 246134 298877 369201 386782 580173 597754 738402 896631 1160346 1353737 1793262 2092139 2707474 3287647 4061211 4184278 6276417 6575294 8122422 9862941 12552834 19725882 23013529 46027058 69040587 138081174
• Sum of all divisors σ(n): 364580352
• Sum of proper divisors (its aliquot sum) s(n): 226499178
• 138081174 is an abundant number, because the sum of its proper divisors (226499178) is greater than itself. Its abundance is 88418004

Bases of 138081174

• Binary: 1000001110101111001110010110₂
• Hexadecimal: 0x83AF396
• Base-36: 2A7K46

Squares and roots of 138081174

• 138081174 squared (138081174²) is 19066410613218276
• 138081174 cubed (138081174³) is 2632712361439239468336024
• The square root of 138081174 is 11750.7946114293
• The cube root of 138081174 is 516.8662287481

Scales and comparisons

• 138,081,174 seconds is equal to 4 years, 20 weeks, 2 days, 3 hours, 52 minutes, 54 seconds.
• To count from 1 to 138,081,174 would take you about 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 138081174 cubic inches would be around 43.1 feet tall.

Recreational maths with 138081174

• 138081174 backwards is 471180831
• 138081174 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 138081174's digits is 33
• More coming soon!