9990473320

Names of 9990473320

• Cardinal: 9990473320 can be written as Nine billion, nine hundred ninety million, four hundred seventy-three thousand, three hundred twenty.

Scientific notation

• Scientific notation: 9.99047332 × 10⁹

Factors of 9990473320

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 7398

Divisors of 9990473320

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 20 29 40 58 116 145 232 290 580 1160 1459 2918 5836 5903 7295 11672 11806 14590 23612 29180 29515 42311 47224 58360 59030 84622 118060 169244 171187 211555 236120 338488 342374 423110 684748 846220 855935 1369496 1692440 1711870 3423740 6847480 8612477 17224954 34449908 43062385 68899816 86124770 172249540 249761833 344499080 499523666 999047332 1248809165 1998094664 2497618330 4995236660 9990473320
• Sum of all divisors σ(n): 23273568000
• Sum of proper divisors (its aliquot sum) s(n): 13283094680
• 9990473320 is an abundant number, because the sum of its proper divisors (13283094680) is greater than itself. Its abundance is 3292621360

Bases of 9990473320

• Binary: 1001010011011110101000011001101000₂
• Hexadecimal: 0x2537A8668
• Base-36: 4L82IJS

Squares and roots of 9990473320

• 9990473320 squared (9990473320²) is 99809557157631822400
• 9990473320 cubed (9990473320³) is 997144717864335756070178368000
• The square root of 9990473320 is 99952.3552498889
• The cube root of 9990473320 is 2153.7503189973

Scales and comparisons

• 9,990,473,320 seconds is equal to 317 years, 34 weeks, 4 days, 11 hours, 28 minutes, 40 seconds.
• To count from 1 to 9,990,473,320 would take you about six hundred thirty-five 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 9990473320 cubic inches would be around 179.5 feet tall.

Recreational maths with 9990473320

• 9990473320 backwards is 0233740999
• The number of decimal digits it has is: 10
• The sum of 9990473320's digits is 46
• More coming soon!