40080690

Names of 40080690

• Cardinal: 40080690 can be written as Forty million, eighty thousand, six hundred ninety.

Scientific notation

• Scientific notation: 4.008069 × 10⁷

Factors of 40080690

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 643

Divisors of 40080690

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 19 26 27 30 38 39 45 54 57 65 78 90 95 114 117 130 135 171 190 195 234 247 270 285 342 351 390 494 513 570 585 601 702 741 855 1026 1170 1202 1235 1482 1710 1755 1803 2223 2470 2565 3005 3510 3606 3705 4446 5130 5409 6010 6669 7410 7813 9015 10818 11115 11419 13338 15626 16227 18030 22230 22838 23439 27045 32454 33345 34257 39065 46878 54090 57095 66690 68514 70317 78130 81135 102771 114190 117195 140634 148447 162270 171285 205542 210951 234390 296894 308313 342570 351585 421902 445341 513855 616626 703170 742235 890682 1027710 1054755 1336023 1484470 1541565 2109510 2226705 2672046 3083130 4008069 4453410 6680115 8016138 13360230 20040345 40080690
• Sum of all divisors σ(n): 121363200
• Sum of proper divisors (its aliquot sum) s(n): 81282510
• 40080690 is an abundant number, because the sum of its proper divisors (81282510) is greater than itself. Its abundance is 41201820

Bases of 40080690

• Binary: 10011000111001010100110010₂
• Hexadecimal: 0x2639532
• Base-36: NV2GI

Squares and roots of 40080690

• 40080690 squared (40080690²) is 1606461710876100
• 40080690 cubed (40080690³) is 64388093830494592509000
• The square root of 40080690 is 6330.9312111253
• The cube root of 40080690 is 342.2249981423

Scales and comparisons

• 40,080,690 seconds is equal to 1 year, 14 weeks, 1 day, 21 hours, 31 minutes, 30 seconds.
• To count from 1 to 40,080,690 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 40080690 cubic inches would be around 28.5 feet tall.

Recreational maths with 40080690

• 40080690 backwards is 09608004
• 40080690 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 40080690's digits is 27
• More coming soon!