9989856450

Names of 9989856450

• Cardinal: 9989856450 can be written as Nine billion, nine hundred eighty-nine million, eight hundred fifty-six thousand, four hundred fifty.

Scientific notation

• Scientific notation: 9.98985645 × 10⁹

Factors of 9989856450

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3171400

Divisors of 9989856450

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 25 30 35 42 45 50 63 70 75 90 105 126 150 175 210 225 315 350 450 525 630 1050 1575 3150 3171383 6342766 9514149 15856915 19028298 22199681 28542447 31713830 44399362 47570745 57084894 66599043 79284575 95141490 110998405 133198086 142712235 158569150 199797129 221996810 237853725 285424470 332995215 399594258 475707450 554992025 665990430 713561175 998985645 1109984050 1427122350 1664976075 1997971290 3329952150 4994928225 9989856450
• Sum of all divisors σ(n): 30673626048
• Sum of proper divisors (its aliquot sum) s(n): 20683769598
• 9989856450 is an abundant number, because the sum of its proper divisors (20683769598) is greater than itself. Its abundance is 10693913148

Bases of 9989856450

• Binary: 1001010011011100010001110011000010₂
• Hexadecimal: 0x253711CC2
• Base-36: 4L7PAKI

Squares and roots of 9989856450

• 9989856450 squared (9989856450²) is 99797231891606602500
• 9989856450 cubed (9989856450³) is 996960020704511918847211125000
• The square root of 9989856450 is 99949.2693820219
• The cube root of 9989856450 is 2153.7059897227

Scales and comparisons

• 9,989,856,450 seconds is equal to 317 years, 33 weeks, 4 days, 8 hours, 7 minutes, 30 seconds.
• To count from 1 to 9,989,856,450 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 9989856450 cubic inches would be around 179.5 feet tall.

Recreational maths with 9989856450

• 9989856450 backwards is 0546589899
• 9989856450 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 9989856450's digits is 63
• More coming soon!