12921000

Names of 12921000

• Cardinal: 12921000 can be written as Twelve million, nine hundred twenty-one thousand.

Scientific notation

• Scientific notation: 1.2921 × 10⁷

Factors of 12921000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 142

Divisors of 12921000

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 59 60 73 75 100 118 120 125 146 150 177 200 219 236 250 292 295 300 354 365 375 438 472 500 584 590 600 708 730 750 876 885 1000 1095 1180 1416 1460 1475 1500 1752 1770 1825 2190 2360 2920 2950 3000 3540 3650 4307 4380 4425 5475 5900 7080 7300 7375 8614 8760 8850 9125 10950 11800 12921 14600 14750 17228 17700 18250 21535 21900 22125 25842 27375 29500 34456 35400 36500 43070 43800 44250 51684 54750 59000 64605 73000 86140 88500 103368 107675 109500 129210 172280 177000 215350 219000 258420 323025 430700 516840 538375 646050 861400 1076750 1292100 1615125 2153500 2584200 3230250 4307000 6460500 12921000
• Sum of all divisors σ(n): 41558400
• Sum of proper divisors (its aliquot sum) s(n): 28637400
• 12921000 is an abundant number, because the sum of its proper divisors (28637400) is greater than itself. Its abundance is 15716400

Bases of 12921000

• Binary: 110001010010100010101000₂
• Hexadecimal: 0xC528A8
• Base-36: 7OXWO

Squares and roots of 12921000

• 12921000 squared (12921000²) is 166952241000000
• 12921000 cubed (12921000³) is 2157189905961000000000
• The square root of 12921000 is 3594.5792521517
• The cube root of 12921000 is 234.6562046961

Scales and comparisons

• 12,921,000 seconds is equal to 21 weeks, 2 days, 13 hours, 10 minutes.
• To count from 1 to 12,921,000 would take you about thirty-two 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 12921000 cubic inches would be around 19.6 feet tall.

Recreational maths with 12921000

• 12921000 backwards is 00012921
• 12921000 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 12921000's digits is 15
• More coming soon!