138254747825

Names of 138254747825

• Cardinal: 138254747825 can be written as One hundred thirty-eight billion, two hundred fifty-four million, seven hundred forty-seven thousand, eight hundred twenty-five.

Scientific notation

• Scientific notation: 1.38254747825 × 10¹¹

Factors of 138254747825

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 552373

Divisors of 138254747825

• Number of divisors d(n): 48
• Complete list of divisors:
  1 5 17 19 25 31 85 95 155 323 425 475 527 589 775 1615 2635 2945 8075 10013 13175 14725 50065 250325 552301 2761505 9389117 10493719 13807525 17121331 46945585 52468595 85606655 178393223 234727925 262342975 291062627 325305289 428033275 891966115 1455313135 1626526445 4459830575 5530189913 7276565675 8132632225 27650949565 138254747825
• Sum of all divisors σ(n): 197238090240
• Sum of proper divisors (its aliquot sum) s(n): 58983342415
• 138254747825 is a deficient number, because the sum of its proper divisors (58983342415) is less than itself. Its deficiency is 79271405410

Bases of 138254747825

• Binary: 10000000110000101000000000100010110001₂
• Hexadecimal: 0x2030A008B1
• Base-36: 1RIHB25T

Squares and roots of 138254747825

• 138254747825 squared (138254747825²) is 19114375296154342230625
• 138254747825 cubed (138254747825³) is 2642653136402228277373807367140625
• The square root of 138254747825 is 371826.2333738705
• The cube root of 138254747825 is 5170.8271223727

Scales and comparisons

• 138,254,747,825 seconds is equal to 4,396 years, 3 weeks, 5 days, 16 hours, 37 minutes, 5 seconds.
• To count from 1 to 138,254,747,825 would take you about eight thousand, seven hundred ninety-two 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 138254747825 cubic inches would be around 430.9 feet tall.

Recreational maths with 138254747825

• 138254747825 backwards is 528747452831
• The number of decimal digits it has is: 12
• The sum of 138254747825's digits is 56
• More coming soon!