31402020

Names of 31402020

• Cardinal: 31402020 can be written as Thirty-one million, four hundred two thousand and twenty.

Scientific notation

• Scientific notation: 3.140202 × 10⁷

Factors of 31402020

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 467

Divisors of 31402020

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 127 130 156 195 254 260 317 381 390 508 634 635 762 780 951 1268 1270 1524 1585 1651 1902 1905 2540 3170 3302 3804 3810 4121 4755 4953 6340 6604 7620 8242 8255 9510 9906 12363 16484 16510 19020 19812 20605 24726 24765 33020 40259 41210 49452 49530 61815 80518 82420 99060 120777 123630 161036 201295 241554 247260 402590 483108 523367 603885 805180 1046734 1207770 1570101 2093468 2415540 2616835 3140202 5233670 6280404 7850505 10467340 15701010 31402020
• Sum of all divisors σ(n): 95735808
• Sum of proper divisors (its aliquot sum) s(n): 64333788
• 31402020 is an abundant number, because the sum of its proper divisors (64333788) is greater than itself. Its abundance is 32931768

Bases of 31402020

• Binary: 1110111110010100000100100₂
• Hexadecimal: 0x1DF2824
• Base-36: IP1YC

Squares and roots of 31402020

• 31402020 squared (31402020²) is 986086860080400
• 31402020 cubed (31402020³) is 30965119301981922408000
• The square root of 31402020 is 5603.7505297793
• The cube root of 31402020 is 315.4901916861

Scales and comparisons

• 31,402,020 seconds is equal to 51 weeks, 6 days, 10 hours, 47 minutes.
• To count from 1 to 31,402,020 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 31402020 cubic inches would be around 26.3 feet tall.

Recreational maths with 31402020

• 31402020 backwards is 02020413
• 31402020 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 31402020's digits is 12
• More coming soon!