68428404

Names of 68428404

• Cardinal: 68428404 can be written as Sixty-eight million, four hundred twenty-eight thousand, four hundred four.

Scientific notation

• Scientific notation: 6.8428404 × 10⁷

Factors of 68428404

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 722

Divisors of 68428404

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 9 11 12 18 22 23 33 36 44 46 66 69 92 99 121 132 138 198 207 242 253 276 363 396 414 484 506 683 726 759 828 1012 1089 1366 1452 1518 2049 2178 2277 2732 2783 3036 4098 4356 4554 5566 6147 7513 8196 8349 9108 11132 12294 15026 15709 16698 22539 24588 25047 30052 31418 33396 45078 47127 50094 62836 67617 82643 90156 94254 100188 135234 141381 165286 172799 188508 247929 270468 282762 330572 345598 495858 518397 565524 691196 743787 991716 1036794 1487574 1555191 1900789 2073588 2975148 3110382 3801578 5702367 6220764 7603156 11404734 17107101 22809468 34214202 68428404
• Sum of all divisors σ(n): 198682848
• Sum of proper divisors (its aliquot sum) s(n): 130254444
• 68428404 is an abundant number, because the sum of its proper divisors (130254444) is greater than itself. Its abundance is 61826040

Bases of 68428404

• Binary: 100000101000010001001110100₂
• Hexadecimal: 0x4142274
• Base-36: 14QNP0

Squares and roots of 68428404

• 68428404 squared (68428404²) is 4682446473987216
• 68428404 cubed (68428404³) is 320412339030372707283264
• The square root of 68428404 is 8272.1462753023
• The cube root of 68428404 is 409.0208719969

Scales and comparisons

• 68,428,404 seconds is equal to 2 years, 9 weeks, 23 hours, 53 minutes, 24 seconds.
• To count from 1 to 68,428,404 would take you about three 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 68428404 cubic inches would be around 34.1 feet tall.

Recreational maths with 68428404

• 68428404 backwards is 40482486
• 68428404 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 68428404's digits is 36
• More coming soon!