139408230

Names of 139408230

• Cardinal: 139408230 can be written as One hundred thirty-nine million, four hundred eight thousand, two hundred thirty.

Scientific notation

• Scientific notation: 1.3940823 × 10⁸

Factors of 139408230

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 9721

Divisors of 139408230

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 10 13 15 26 30 37 39 65 74 78 111 130 185 195 222 370 390 481 555 962 1110 1443 2405 2886 4810 7215 9661 14430 19322 28983 48305 57966 96610 125593 144915 251186 289830 357457 376779 627965 714914 753558 1072371 1255930 1787285 1883895 2144742 3574570 3767790 4646941 5361855 9293882 10723710 13940823 23234705 27881646 46469410 69704115 139408230
• Sum of all divisors σ(n): 370093248
• Sum of proper divisors (its aliquot sum) s(n): 230685018
• 139408230 is an abundant number, because the sum of its proper divisors (230685018) is greater than itself. Its abundance is 91276788

Bases of 139408230

• Binary: 1000010011110011001101100110₂
• Hexadecimal: 0x84F3366
• Base-36: 2B002U

Squares and roots of 139408230

• 139408230 squared (139408230²) is 19434654591732900
• 139408230 cubed (139408230³) is 2709350797294856221767000
• The square root of 139408230 is 11807.1262379971
• The cube root of 139408230 is 518.5167668805

Scales and comparisons

• 139,408,230 seconds is equal to 4 years, 22 weeks, 3 days, 12 hours, 30 minutes, 30 seconds.
• To count from 1 to 139,408,230 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 139408230 cubic inches would be around 43.2 feet tall.

Recreational maths with 139408230

• 139408230 backwards is 032804931
• 139408230 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 139408230's digits is 30
• More coming soon!