12000420

Names of 12000420

• Cardinal: 12000420 can be written as Twelve million, four hundred twenty.

Scientific notation

• Scientific notation: 1.200042 × 10⁷

Factors of 12000420

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 394

Divisors of 12000420

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 71 90 108 135 142 180 213 270 284 313 355 426 540 626 639 710 852 939 1065 1252 1278 1420 1565 1878 1917 2130 2556 2817 3130 3195 3756 3834 4260 4695 5634 6260 6390 7668 8451 9390 9585 11268 12780 14085 16902 18780 19170 22223 28170 33804 38340 42255 44446 56340 66669 84510 88892 111115 133338 169020 200007 222230 266676 333345 400014 444460 600021 666690 800028 1000035 1200042 1333380 2000070 2400084 3000105 4000140 6000210 12000420
• Sum of all divisors σ(n): 37981440
• Sum of proper divisors (its aliquot sum) s(n): 25981020
• 12000420 is an abundant number, because the sum of its proper divisors (25981020) is greater than itself. Its abundance is 13980600

Bases of 12000420

• Binary: 101101110001110010100100₂
• Hexadecimal: 0xB71CA4
• Base-36: 757L0

Squares and roots of 12000420

• 12000420 squared (12000420²) is 144010080176400
• 12000420 cubed (12000420³) is 1728181446350474088000
• The square root of 12000420 is 3464.1622363857
• The cube root of 12000420 is 228.9455194795

Scales and comparisons

• 12,000,420 seconds is equal to 19 weeks, 5 days, 21 hours, 27 minutes.
• To count from 1 to 12,000,420 would take you about twenty-nine 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 12000420 cubic inches would be around 19.1 feet tall.

Recreational maths with 12000420

• 12000420 backwards is 02400021
• 12000420 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 12000420's digits is 9
• More coming soon!