138564432

Names of 138564432

• Cardinal: 138564432 can be written as One hundred thirty-eight million, five hundred sixty-four thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 1.38564432 × 10⁸

Factors of 138564432

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 389

Divisors of 138564432

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 144 157 162 216 227 243 314 324 432 454 471 486 628 648 681 908 942 972 1256 1296 1362 1413 1816 1884 1944 2043 2512 2724 2826 3632 3768 3888 4086 4239 5448 5652 6129 7536 8172 8478 10896 11304 12258 12717 16344 16956 18387 22608 24516 25434 32688 33912 35639 36774 38151 49032 50868 55161 67824 71278 73548 76302 98064 101736 106917 110322 142556 147096 152604 203472 213834 220644 285112 294192 305208 320751 427668 441288 570224 610416 641502 855336 882576 962253 1283004 1710672 1924506 2566008 2886759 3849012 5132016 5773518 7698024 8660277 11547036 15396048 17320554 23094072 34641108 46188144 69282216 138564432
• Sum of all divisors σ(n): 406494816
• Sum of proper divisors (its aliquot sum) s(n): 267930384
• 138564432 is an abundant number, because the sum of its proper divisors (267930384) is greater than itself. Its abundance is 129365952

Bases of 138564432

• Binary: 1000010000100101001101010000₂
• Hexadecimal: 0x8425350
• Base-36: 2AHX00

Squares and roots of 138564432

• 138564432 squared (138564432²) is 19200101815482624
• 138564432 cubed (138564432³) is 2660451202404518600429568
• The square root of 138564432 is 11771.3394310079
• The cube root of 138564432 is 517.4685046995

Scales and comparisons

• 138,564,432 seconds is equal to 4 years, 21 weeks, 18 hours, 7 minutes, 12 seconds.
• To count from 1 to 138,564,432 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 138564432 cubic inches would be around 43.1 feet tall.

Recreational maths with 138564432

• 138564432 backwards is 234465831
• 138564432 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 138564432's digits is 36
• More coming soon!