138458166

Names of 138458166

• Cardinal: 138458166 can be written as One hundred thirty-eight million, four hundred fifty-eight thousand, one hundred sixty-six.

Scientific notation

• Scientific notation: 1.38458166 × 10⁸

Factors of 138458166

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 101

Divisors of 138458166

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 7 11 14 17 21 22 33 34 42 51 61 66 77 102 119 122 154 183 187 231 238 289 357 366 374 427 462 561 578 671 714 854 867 1037 1122 1281 1309 1342 1734 2013 2023 2074 2562 2618 3111 3179 3927 4026 4046 4697 4913 6069 6222 6358 7259 7854 9394 9537 9826 11407 12138 14091 14518 14739 17629 19074 21777 22253 22814 28182 29478 34221 34391 35258 43554 44506 52887 54043 66759 68442 68782 79849 103173 105774 108086 123403 133518 159698 162129 193919 206346 239547 246806 299693 324258 370209 378301 387838 479094 581757 599386 740418 756602 899079 1134903 1163514 1357433 1798158 2097851 2269806 2714866 3296623 4072299 4195702 6293553 6593246 8144598 9889869 12587106 19779738 23076361 46152722 69229083 138458166
• Sum of all divisors σ(n): 372833280
• Sum of proper divisors (its aliquot sum) s(n): 234375114
• 138458166 is an abundant number, because the sum of its proper divisors (234375114) is greater than itself. Its abundance is 95916948

Bases of 138458166

• Binary: 1000010000001011010000110110₂
• Hexadecimal: 0x840B436
• Base-36: 2AFN06

Squares and roots of 138458166

• 138458166 squared (138458166²) is 19170663732083556
• 138458166 cubed (138458166³) is 2654334941347004522518296
• The square root of 138458166 is 11766.8248053583
• The cube root of 138458166 is 517.3361875035

Scales and comparisons

• 138,458,166 seconds is equal to 4 years, 20 weeks, 6 days, 12 hours, 36 minutes, 6 seconds.
• To count from 1 to 138,458,166 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 138458166 cubic inches would be around 43.1 feet tall.

Recreational maths with 138458166

• 138458166 backwards is 661854831
• 138458166 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 138458166's digits is 42
• More coming soon!