12139308

Names of 12139308

• Cardinal: 12139308 can be written as Twelve million, one hundred thirty-nine thousand, three hundred eight.

Scientific notation

• Scientific notation: 1.2139308 × 10⁷

Factors of 12139308

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 209

Divisors of 12139308

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 3 4 6 9 12 18 23 27 36 46 54 69 81 92 108 138 162 181 207 243 276 324 362 414 486 543 621 724 729 828 972 1086 1242 1458 1629 1863 2172 2484 2916 3258 3726 4163 4887 5589 6516 7452 8326 9774 11178 12489 14661 16652 16767 19548 22356 24978 29322 33534 37467 43983 49956 58644 67068 74934 87966 112401 131949 149868 175932 224802 263898 337203 449604 527796 674406 1011609 1348812 2023218 3034827 4046436 6069654 12139308
• Sum of all divisors σ(n): 33419568
• Sum of proper divisors (its aliquot sum) s(n): 21280260
• 12139308 is an abundant number, because the sum of its proper divisors (21280260) is greater than itself. Its abundance is 9140952

Bases of 12139308

• Binary: 101110010011101100101100₂
• Hexadecimal: 0xB93B2C
• Base-36: 786R0

Squares and roots of 12139308

• 12139308 squared (12139308²) is 147362798718864
• 12139308 cubed (12139308³) is 1788882401390295506112
• The square root of 12139308 is 3484.1509726187
• The cube root of 12139308 is 229.8253746973

Scales and comparisons

• 12,139,308 seconds is equal to 20 weeks, 12 hours, 1 minute, 48 seconds.
• To count from 1 to 12,139,308 would take you about thirty weeks!

  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 12139308 cubic inches would be around 19.2 feet tall.

Recreational maths with 12139308

• 12139308 backwards is 80393121
• 12139308 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 12139308's digits is 27
• More coming soon!