68491200

Names of 68491200

• Cardinal: 68491200 can be written as Sixty-eight million, four hundred ninety-one thousand, two hundred.

Scientific notation

• Scientific notation: 6.84912 × 10⁷

Factors of 68491200

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 780

Divisors of 68491200

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 19 20 24 25 30 32 38 40 48 50 57 60 64 75 76 80 95 96 100 114 120 150 152 160 190 192 200 228 240 285 300 304 320 380 400 456 475 480 570 600 608 751 760 800 912 950 960 1140 1200 1216 1425 1502 1520 1600 1824 1900 2253 2280 2400 2850 3004 3040 3648 3755 3800 4506 4560 4800 5700 6008 6080 7510 7600 9012 9120 11265 11400 12016 14269 15020 15200 18024 18240 18775 22530 22800 24032 28538 30040 30400 36048 37550 42807 45060 45600 48064 56325 57076 60080 71345 72096 75100 85614 90120 91200 112650 114152 120160 142690 144192 150200 171228 180240 214035 225300 228304 240320 285380 300400 342456 356725 360480 428070 450600 456608 570760 600800 684912 713450 720960 856140 901200 913216 1070175 1141520 1201600 1369824 1426900 1712280 1802400 2140350 2283040 2739648 2853800 3424560 3604800 4280700 4566080 5707600 6849120 8561400 11415200 13698240 17122800 22830400 34245600 68491200
• Sum of all divisors σ(n): 236849920
• Sum of proper divisors (its aliquot sum) s(n): 168358720
• 68491200 is an abundant number, because the sum of its proper divisors (168358720) is greater than itself. Its abundance is 99867520

Bases of 68491200

• Binary: 100000101010001011111000000₂
• Hexadecimal: 0x41517C0
• Base-36: 14S05C

Squares and roots of 68491200

• 68491200 squared (68491200²) is 4691044477440000
• 68491200 cubed (68491200³) is 321295265513238528000000
• The square root of 68491200 is 8275.9410341059
• The cube root of 68491200 is 409.1459517407

Scales and comparisons

• 68,491,200 seconds is equal to 2 years, 9 weeks, 1 day, 17 hours, 20 minutes.
• To count from 1 to 68,491,200 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 68491200 cubic inches would be around 34.1 feet tall.

Recreational maths with 68491200

• 68491200 backwards is 00219486
• 68491200 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 68491200's digits is 30
• More coming soon!