139028800

Names of 139028800

• Cardinal: 139028800 can be written as One hundred thirty-nine million, twenty-eight thousand, eight hundred.

Scientific notation

• Scientific notation: 1.390288 × 10⁸

Factors of 139028800

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2841

Divisors of 139028800

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 31 32 40 50 62 64 80 100 124 155 160 200 248 310 320 400 496 620 775 800 992 1240 1550 1600 1984 2480 2803 3100 4960 5606 6200 9920 11212 12400 14015 22424 24800 28030 44848 49600 56060 70075 86893 89696 112120 140150 173786 179392 224240 280300 347572 434465 448480 560600 695144 868930 896960 1121200 1390288 1737860 2172325 2242400 2780576 3475720 4344650 4484800 5561152 6951440 8689300 13902880 17378600 27805760 34757200 69514400 139028800
• Sum of all divisors σ(n): 353259136
• Sum of proper divisors (its aliquot sum) s(n): 214230336
• 139028800 is an abundant number, because the sum of its proper divisors (214230336) is greater than itself. Its abundance is 75201536

Bases of 139028800

• Binary: 1000010010010110100101000000₂
• Hexadecimal: 0x8496940
• Base-36: 2ARVB4

Squares and roots of 139028800

• 139028800 squared (139028800²) is 19329007229440000
• 139028800 cubed (139028800³) is 2687288680300367872000000
• The square root of 139028800 is 11791.0474513505
• The cube root of 139028800 is 518.0459205077

Scales and comparisons

• 139,028,800 seconds is equal to 4 years, 21 weeks, 6 days, 3 hours, 6 minutes, 40 seconds.
• To count from 1 to 139,028,800 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 139028800 cubic inches would be around 43.2 feet tall.

Recreational maths with 139028800

• 139028800 backwards is 008820931
• 139028800 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 139028800's digits is 31
• More coming soon!