31420400

Names of 31420400

• Cardinal: 31420400 can be written as Thirty-one million, four hundred twenty thousand, four hundred.

Scientific notation

• Scientific notation: 3.14204 × 10⁷

Factors of 31420400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 248

Divisors of 31420400

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 25 37 40 44 50 55 74 80 88 100 110 148 176 185 193 200 220 275 296 370 386 400 407 440 550 592 740 772 814 880 925 965 1100 1480 1544 1628 1850 1930 2035 2123 2200 2960 3088 3256 3700 3860 4070 4246 4400 4825 6512 7141 7400 7720 8140 8492 9650 10175 10615 14282 14800 15440 16280 16984 19300 20350 21230 28564 32560 33968 35705 38600 40700 42460 53075 57128 71410 77200 78551 81400 84920 106150 114256 142820 157102 162800 169840 178525 212300 285640 314204 357050 392755 424600 571280 628408 714100 785510 849200 1256816 1428200 1571020 1963775 2856400 3142040 3927550 6284080 7855100 15710200 31420400
• Sum of all divisors σ(n): 85013904
• Sum of proper divisors (its aliquot sum) s(n): 53593504
• 31420400 is an abundant number, because the sum of its proper divisors (53593504) is greater than itself. Its abundance is 22173104

Bases of 31420400

• Binary: 1110111110110111111110000₂
• Hexadecimal: 0x1DF6FF0
• Base-36: IPG4W

Squares and roots of 31420400

• 31420400 squared (31420400²) is 987241536160000
• 31420400 cubed (31420400³) is 31019523962761664000000
• The square root of 31420400 is 5605.3902629521
• The cube root of 31420400 is 315.5517331489

Scales and comparisons

• 31,420,400 seconds is equal to 51 weeks, 6 days, 15 hours, 53 minutes, 20 seconds.
• To count from 1 to 31,420,400 would take you about twenty-five 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 31420400 cubic inches would be around 26.3 feet tall.

Recreational maths with 31420400

• 31420400 backwards is 00402413
• The number of decimal digits it has is: 8
• The sum of 31420400's digits is 14
• More coming soon!