40470840

Names of 40470840

• Cardinal: 40470840 can be written as Forty million, four hundred seventy thousand, eight hundred forty.

Scientific notation

• Scientific notation: 4.047084 × 10⁷

Factors of 40470840

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 12501

Divisors of 40470840

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 81 90 108 120 135 162 180 216 270 324 360 405 540 648 810 1080 1620 3240 12491 24982 37473 49964 62455 74946 99928 112419 124910 149892 187365 224838 249820 299784 337257 374730 449676 499640 562095 674514 749460 899352 1011771 1124190 1349028 1498920 1686285 2023542 2248380 2698056 3372570 4047084 4496760 5058855 6745140 8094168 10117710 13490280 20235420 40470840
• Sum of all divisors σ(n): 136037880
• Sum of proper divisors (its aliquot sum) s(n): 95567040
• 40470840 is an abundant number, because the sum of its proper divisors (95567040) is greater than itself. Its abundance is 55096200

Bases of 40470840

• Binary: 10011010011000100100111000₂
• Hexadecimal: 0x2698938
• Base-36: O3FI0

Squares and roots of 40470840

• 40470840 squared (40470840²) is 1637888890305600
• 40470840 cubed (40470840³) is 66286739217335488704000
• The square root of 40470840 is 6361.6695921747
• The cube root of 40470840 is 343.3318335519

Scales and comparisons

• 40,470,840 seconds is equal to 1 year, 14 weeks, 6 days, 9 hours, 54 minutes.
• To count from 1 to 40,470,840 would take you about forty-eight 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 40470840 cubic inches would be around 28.6 feet tall.

Recreational maths with 40470840

• 40470840 backwards is 04807404
• 40470840 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 40470840's digits is 27
• More coming soon!