40122900

Names of 40122900

• Cardinal: 40122900 can be written as Forty million, one hundred twenty-two thousand, nine hundred.

Scientific notation

• Scientific notation: 4.01229 × 10⁷

Factors of 40122900

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 528

Divisors of 40122900

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 75 90 100 109 150 180 218 225 300 327 409 436 450 545 654 818 900 981 1090 1227 1308 1635 1636 1962 2045 2180 2454 2725 3270 3681 3924 4090 4905 4908 5450 6135 6540 7362 8175 8180 9810 10225 10900 12270 14724 16350 18405 19620 20450 24525 24540 30675 32700 36810 40900 44581 49050 61350 73620 89162 92025 98100 122700 133743 178324 184050 222905 267486 368100 401229 445810 534972 668715 802458 891620 1114525 1337430 1604916 2006145 2229050 2674860 3343575 4012290 4458100 6687150 8024580 10030725 13374300 20061450 40122900
• Sum of all divisors σ(n): 127227100
• Sum of proper divisors (its aliquot sum) s(n): 87104200
• 40122900 is an abundant number, because the sum of its proper divisors (87104200) is greater than itself. Its abundance is 46981300

Bases of 40122900

• Binary: 10011001000011101000010100₂
• Hexadecimal: 0x2643A14
• Base-36: NVZ10

Squares and roots of 40122900

• 40122900 squared (40122900²) is 1609847104410000
• 40122900 cubed (40122900³) is 64591734385531989000000
• The square root of 40122900 is 6334.2639667131
• The cube root of 40122900 is 342.3450912947

Scales and comparisons

• 40,122,900 seconds is equal to 1 year, 14 weeks, 2 days, 9 hours, 15 minutes.
• To count from 1 to 40,122,900 would take you about forty-seven 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 40122900 cubic inches would be around 28.5 feet tall.

Recreational maths with 40122900

• 40122900 backwards is 00922104
• 40122900 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 40122900's digits is 18
• More coming soon!