9900134840

Names of 9900134840

• Cardinal: 9900134840 can be written as Nine billion, nine hundred million, one hundred thirty-four thousand, eight hundred forty.

Scientific notation

• Scientific notation: 9.90013484 × 10⁹

Factors of 9900134840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 19916

Divisors of 9900134840

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 20 29 40 58 116 145 232 290 439 580 878 1160 1756 2195 3512 4390 8780 12731 17560 19441 25462 38882 50924 63655 77764 97205 101848 127310 155528 194410 254620 388820 509240 563789 777640 1127578 2255156 2818945 4510312 5637890 8534599 11275780 17069198 22551560 34138396 42672995 68276792 85345990 170691980 247503371 341383960 495006742 990013484 1237516855 1980026968 2475033710 4950067420 9900134840
• Sum of all divisors σ(n): 23097096000
• Sum of proper divisors (its aliquot sum) s(n): 13196961160
• 9900134840 is an abundant number, because the sum of its proper divisors (13196961160) is greater than itself. Its abundance is 3296826320

Bases of 9900134840

• Binary: 1001001110000110000001000110111000₂
• Hexadecimal: 0x24E1811B8
• Base-36: 4JQA8XK

Squares and roots of 9900134840

• 9900134840 squared (9900134840²) is 98012669850181825600
• 9900134840 cubed (9900134840³) is 970338647545202671957363904000
• The square root of 9900134840 is 99499.4213048499
• The cube root of 9900134840 is 2147.2389175397

Scales and comparisons

• 9,900,134,840 seconds is equal to 314 years, 41 weeks, 1 day, 21 hours, 27 minutes, 20 seconds.
• To count from 1 to 9,900,134,840 would take you about six hundred twenty-nine 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 9900134840 cubic inches would be around 178.9 feet tall.

Recreational maths with 9900134840

• 9900134840 backwards is 0484310099
• The number of decimal digits it has is: 10
• The sum of 9900134840's digits is 38
• More coming soon!