139746768

Names of 139746768

• Cardinal: 139746768 can be written as One hundred thirty-nine million, seven hundred forty-six thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 1.39746768 × 10⁸

Factors of 139746768

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 5106

Divisors of 139746768

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 83 84 112 166 168 249 332 336 498 581 664 996 1162 1328 1743 1992 2324 3486 3984 4648 5011 6972 9296 10022 13944 15033 20044 27888 30066 35077 40088 60132 70154 80176 105231 120264 140308 210462 240528 280616 415913 420924 561232 831826 841848 1247739 1663652 1683696 2495478 2911391 3327304 4990956 5822782 6654608 8734173 9981912 11645564 17468346 19963824 23291128 34936692 46582256 69873384 139746768
• Sum of all divisors σ(n): 417639936
• Sum of proper divisors (its aliquot sum) s(n): 277893168
• 139746768 is an abundant number, because the sum of its proper divisors (277893168) is greater than itself. Its abundance is 138146400

Bases of 139746768

• Binary: 1000010101000101110111010000₂
• Hexadecimal: 0x8545DD0
• Base-36: 2B79AO

Squares and roots of 139746768

• 139746768 squared (139746768²) is 19529159166445824
• 139746768 cubed (139746768³) is 2729136875268377951096832
• The square root of 139746768 is 11821.4537177117
• The cube root of 139746768 is 518.9361484555

Scales and comparisons

• 139,746,768 seconds is equal to 4 years, 23 weeks, 10 hours, 32 minutes, 48 seconds.
• To count from 1 to 139,746,768 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 139746768 cubic inches would be around 43.2 feet tall.

Recreational maths with 139746768

• 139746768 backwards is 867647931
• The number of decimal digits it has is: 9
• The sum of 139746768's digits is 51
• More coming soon!