138756996

Names of 138756996

• Cardinal: 138756996 can be written as One hundred thirty-eight million, seven hundred fifty-six thousand, nine hundred ninety-six.

Scientific notation

• Scientific notation: 1.38756996 × 10⁸

Factors of 138756996

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 6370

Divisors of 138756996

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 29 36 42 54 58 63 84 87 108 116 126 174 189 203 252 261 348 378 406 522 609 756 783 812 1044 1218 1566 1827 2436 3132 3654 5481 6329 7308 10962 12658 18987 21924 25316 37974 44303 56961 75948 88606 113922 132909 170883 177212 183541 227844 265818 341766 367082 398727 531636 550623 683532 734164 797454 1101246 1196181 1284787 1594908 1651869 2202492 2392362 2569574 3303738 3854361 4784724 4955607 5139148 6607476 7708722 9911214 11563083 15417444 19822428 23126166 34689249 46252332 69378498 138756996
• Sum of all divisors σ(n): 425376000
• Sum of proper divisors (its aliquot sum) s(n): 286619004
• 138756996 is an abundant number, because the sum of its proper divisors (286619004) is greater than itself. Its abundance is 147862008

Bases of 138756996

• Binary: 1000010001010100001110000100₂
• Hexadecimal: 0x8454384
• Base-36: 2AM1L0

Squares and roots of 138756996

• 138756996 squared (138756996²) is 19253503938944016
• 138756996 cubed (138756996³) is 2671558369042039072335936
• The square root of 138756996 is 11779.5159493079
• The cube root of 138756996 is 517.7081036591

Scales and comparisons

• 138,756,996 seconds is equal to 4 years, 21 weeks, 2 days, 23 hours, 36 minutes, 36 seconds.
• To count from 1 to 138,756,996 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 138756996 cubic inches would be around 43.1 feet tall.

Recreational maths with 138756996

• 138756996 backwards is 699657831
• 138756996 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 138756996's digits is 54
• More coming soon!