138330738

Names of 138330738

• Cardinal: 138330738 can be written as One hundred thirty-eight million, three hundred thirty thousand, seven hundred thirty-eight.

Scientific notation

• Scientific notation: 1.38330738 × 10⁸

Factors of 138330738

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1173

Divisors of 138330738

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 21 26 39 42 63 78 79 91 117 126 158 182 234 237 273 474 546 553 711 819 1027 1069 1106 1422 1638 1659 2054 2138 3081 3207 3318 4977 6162 6414 7189 7483 9243 9621 9954 13897 14378 14966 18486 19242 21567 22449 27794 41691 43134 44898 64701 67347 83382 84451 97279 125073 129402 134694 168902 194558 250146 253353 291837 506706 583674 591157 760059 875511 1097863 1182314 1520118 1751022 1773471 2195726 3293589 3546942 5320413 6587178 7685041 9880767 10640826 15370082 19761534 23055123 46110246 69165369 138330738
• Sum of all divisors σ(n): 373900800
• Sum of proper divisors (its aliquot sum) s(n): 235570062
• 138330738 is an abundant number, because the sum of its proper divisors (235570062) is greater than itself. Its abundance is 97239324

Bases of 138330738

• Binary: 1000001111101100001001110010₂
• Hexadecimal: 0x83EC272
• Base-36: 2ACWOI

Squares and roots of 138330738

• 138330738 squared (138330738²) is 19135393075624644
• 138330738 cubed (138330738³) is 2647013046071246815507272
• The square root of 138330738 is 11761.4088441819
• The cube root of 138330738 is 517.1774311277

Scales and comparisons

• 138,330,738 seconds is equal to 4 years, 20 weeks, 5 days, 1 hour, 12 minutes, 18 seconds.
• To count from 1 to 138,330,738 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 138330738 cubic inches would be around 43.1 feet tall.

Recreational maths with 138330738

• 138330738 backwards is 837033831
• The number of decimal digits it has is: 9
• The sum of 138330738's digits is 36
• More coming soon!