9984006400

Names of 9984006400

• Cardinal: 9984006400 can be written as Nine billion, nine hundred eighty-four million, six thousand, four hundred.

Scientific notation

• Scientific notation: 9.9840064 × 10⁹

Factors of 9984006400

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1256

Divisors of 9984006400

• Number of divisors d(n): 81
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 256 320 400 640 800 1249 1280 1600 2498 3200 4996 6245 6400 9992 12490 19984 24980 31225 39968 49960 62450 79936 99920 124900 159872 199840 249800 319744 399680 499600 799360 999200 1560001 1598720 1998400 3120002 3996800 6240004 7800005 7993600 12480008 15600010 24960016 31200020 39000025 49920032 62400040 78000050 99840064 124800080 156000100 199680128 249600160 312000200 399360256 499200320 624000400 998400640 1248000800 1996801280 2496001600 4992003200 9984006400
• Sum of all divisors σ(n): 24731777091
• Sum of proper divisors (its aliquot sum) s(n): 14747770691
• 9984006400 is an abundant number, because the sum of its proper divisors (14747770691) is greater than itself. Its abundance is 4763764291

Bases of 9984006400

• Binary: 1001010011000101111101100100000000₂
• Hexadecimal: 0x25317D900
• Base-36: 4L47WN4

Squares and roots of 9984006400

• 9984006400 squared (9984006400²) is 99680383795240960000
• 9984006400 cubed (9984006400³) is 995209589766142034182144000000
• 9984006400 is a perfect square number. Its square root is 99920
• The cube root of 9984006400 is 2153.2855049385

Scales and comparisons

• 9,984,006,400 seconds is equal to 317 years, 23 weeks, 6 days, 15 hours, 6 minutes, 40 seconds.
• To count from 1 to 9,984,006,400 would take you about six hundred thirty-four 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 9984006400 cubic inches would be around 179.4 feet tall.

Recreational maths with 9984006400

• 9984006400 backwards is 0046004899
• 9984006400 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 9984006400's digits is 40
• More coming soon!