138912256

Names of 138912256

• Cardinal: 138912256 can be written as One hundred thirty-eight million, nine hundred twelve thousand, two hundred fifty-six.

Scientific notation

• Scientific notation: 1.38912256 × 10⁸

Factors of 138912256

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 122

Divisors of 138912256

• Number of divisors d(n): 100
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 56 64 98 112 113 128 196 224 226 256 343 392 448 452 512 686 784 791 896 904 1372 1568 1582 1792 1808 2401 2744 3136 3164 3584 3616 4802 5488 5537 6272 6328 7232 9604 10976 11074 12544 12656 14464 19208 21952 22148 25088 25312 28928 38416 38759 43904 44296 50624 57856 76832 77518 87808 88592 101248 153664 155036 175616 177184 202496 271313 307328 310072 354368 404992 542626 614656 620144 708736 1085252 1229312 1240288 1417472 2170504 2480576 2834944 4341008 4961152 8682016 9922304 17364032 19844608 34728064 69456128 138912256
• Sum of all divisors σ(n): 326658222
• Sum of proper divisors (its aliquot sum) s(n): 187745966
• 138912256 is an abundant number, because the sum of its proper divisors (187745966) is greater than itself. Its abundance is 48833710

Bases of 138912256

• Binary: 1000010001111010001000000000₂
• Hexadecimal: 0x847A200
• Base-36: 2APDDS

Squares and roots of 138912256

• 138912256 squared (138912256²) is 19296614867009536
• 138912256 cubed (138912256³) is 2680536304339434619273216
• The square root of 138912256 is 11786.1043606443
• The cube root of 138912256 is 517.9011255159

Scales and comparisons

• 138,912,256 seconds is equal to 4 years, 21 weeks, 4 days, 18 hours, 44 minutes, 16 seconds.
• To count from 1 to 138,912,256 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 138912256 cubic inches would be around 43.2 feet tall.

Recreational maths with 138912256

• 138912256 backwards is 652219831
• The number of decimal digits it has is: 9
• The sum of 138912256's digits is 37
• More coming soon!