138610472

Names of 138610472

• Cardinal: 138610472 can be written as One hundred thirty-eight million, six hundred ten thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.38610472 × 10⁸

Factors of 138610472

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 963

Divisors of 138610472

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 7 8 11 13 14 19 22 26 28 38 44 52 56 76 77 88 91 104 133 143 152 154 182 209 247 266 286 308 364 418 494 532 572 616 728 836 911 988 1001 1064 1144 1463 1672 1729 1822 1976 2002 2717 2926 3458 3644 4004 5434 5852 6377 6916 7288 8008 10021 10868 11704 11843 12754 13832 17309 19019 20042 21736 23686 25508 34618 38038 40084 47372 51016 69236 70147 76076 80168 82901 94744 121163 130273 138472 140294 152152 165802 190399 225017 242326 260546 280588 331604 380798 450034 484652 521092 561176 663208 761596 900068 911911 969304 1042184 1332793 1523192 1575119 1800136 1823822 2475187 2665586 3150238 3647644 4950374 5331172 6300476 7295288 9900748 10662344 12600952 17326309 19801496 34652618 69305236 138610472
• Sum of all divisors σ(n): 367718400
• Sum of proper divisors (its aliquot sum) s(n): 229107928
• 138610472 is an abundant number, because the sum of its proper divisors (229107928) is greater than itself. Its abundance is 90497456

Bases of 138610472

• Binary: 1000010000110000011100101000₂
• Hexadecimal: 0x8430728
• Base-36: 2AIWIW

Squares and roots of 138610472

• 138610472 squared (138610472²) is 19212862948062784
• 138610472 cubed (138610472³) is 2663104001702293975874048
• The square root of 138610472 is 11773.2948659243
• The cube root of 138610472 is 517.5258104393

Scales and comparisons

• 138,610,472 seconds is equal to 4 years, 21 weeks, 1 day, 6 hours, 54 minutes, 32 seconds.
• To count from 1 to 138,610,472 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 138610472 cubic inches would be around 43.1 feet tall.

Recreational maths with 138610472

• 138610472 backwards is 274016831
• The number of decimal digits it has is: 9
• The sum of 138610472's digits is 32
• More coming soon!