409988040

Names of 409988040

• Cardinal: 409988040 can be written as Four hundred nine million, nine hundred eighty-eight thousand and forty.

Scientific notation

• Scientific notation: 4.0998804 × 10⁸

Factors of 409988040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 44399

Divisors of 409988040

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 11 12 14 15 20 21 22 24 28 30 33 35 40 42 44 55 56 60 66 70 77 84 88 105 110 120 132 140 154 165 168 210 220 231 264 280 308 330 385 420 440 462 616 660 770 840 924 1155 1320 1540 1848 2310 3080 4620 9240 44371 88742 133113 177484 221855 266226 310597 354968 443710 488081 532452 621194 665565 887420 931791 976162 1064904 1242388 1331130 1464243 1552985 1774840 1863582 1952324 2440405 2484776 2662260 2928486 3105970 3416567 3727164 3904648 4658955 4880810 5324520 5856972 6211940 6833134 7321215 7454328 9317910 9761620 10249701 11713944 12423880 13666268 14642430 17082835 18635820 19523240 20499402 27332536 29284860 34165670 37271640 40998804 51248505 58569720 68331340 81997608 102497010 136662680 204994020 409988040
• Sum of all divisors σ(n): 1533496320
• Sum of proper divisors (its aliquot sum) s(n): 1123508280
• 409988040 is an abundant number, because the sum of its proper divisors (1123508280) is greater than itself. Its abundance is 713520240

Bases of 409988040

• Binary: 11000011011111110101111001000₂
• Hexadecimal: 0x186FEBC8
• Base-36: 6S3GSO

Squares and roots of 409988040

• 409988040 squared (409988040²) is 168090192943041600
• 409988040 cubed (409988040³) is 68914968747939457222464000
• The square root of 409988040 is 20248.1613980135
• The cube root of 409988040 is 742.8886604689

Scales and comparisons

• 409,988,040 seconds is equal to 13 years, 1 week, 6 days, 5 hours, 34 minutes.
• To count from 1 to 409,988,040 would take you about nineteen years!

  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 409988040 cubic inches would be around 61.9 feet tall.

Recreational maths with 409988040

• 409988040 backwards is 040889904
• 409988040 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 409988040's digits is 42
• More coming soon!