138369672

Names of 138369672

• Cardinal: 138369672 can be written as One hundred thirty-eight million, three hundred sixty-nine thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 1.38369672 × 10⁸

Factors of 138369672

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 9508

Divisors of 138369672

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 28 29 36 42 56 58 63 72 84 87 116 126 168 174 203 232 252 261 348 406 504 522 609 696 812 1044 1218 1624 1827 2088 2436 3654 4872 7308 9467 14616 18934 28401 37868 56802 66269 75736 85203 113604 132538 170406 198807 227208 265076 274543 340812 397614 530152 549086 596421 681624 795228 823629 1098172 1192842 1590456 1647258 1921801 2196344 2385684 2470887 3294516 3843602 4771368 4941774 5765403 6589032 7687204 9883548 11530806 15374408 17296209 19767096 23061612 34592418 46123224 69184836 138369672
• Sum of all divisors σ(n): 443102400
• Sum of proper divisors (its aliquot sum) s(n): 304732728
• 138369672 is an abundant number, because the sum of its proper divisors (304732728) is greater than itself. Its abundance is 166363056

Bases of 138369672

• Binary: 1000001111110101101010001000₂
• Hexadecimal: 0x83F5A88
• Base-36: 2ADQQ0

Squares and roots of 138369672

• 138369672 squared (138369672²) is 19146166129387584
• 138369672 cubed (138369672³) is 2649248727380869558952448
• The square root of 138369672 is 11763.0638865899
• The cube root of 138369672 is 517.2259474531

Scales and comparisons

• 138,369,672 seconds is equal to 4 years, 20 weeks, 5 days, 12 hours, 1 minute, 12 seconds.
• To count from 1 to 138,369,672 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 138369672 cubic inches would be around 43.1 feet tall.

Recreational maths with 138369672

• 138369672 backwards is 276963831
• The number of decimal digits it has is: 9
• The sum of 138369672's digits is 45
• More coming soon!