1992715920

Names of 1992715920

• Cardinal: 1992715920 can be written as One billion, nine hundred ninety-two million, seven hundred fifteen thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.99271592 × 10⁹

Factors of 1992715920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 212920

Divisors of 1992715920

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 36 39 40 45 48 52 60 65 72 78 80 90 104 117 120 130 144 156 180 195 208 234 240 260 312 360 390 468 520 585 624 720 780 936 1040 1170 1560 1872 2340 3120 4680 9360 212897 425794 638691 851588 1064485 1277382 1703176 1916073 2128970 2554764 2767661 3193455 3406352 3832146 4257940 5109528 5535322 6386910 7664292 8302983 8515880 9580365 10219056 11070644 12773820 13838305 15328584 16605966 17031760 19160730 22141288 24908949 25547640 27676610 30657168 33211932 38321460 41514915 44282576 49817898 51095280 55353220 66423864 76642920 83029830 99635796 110706440 124544745 132847728 153285840 166059660 199271592 221412880 249089490 332119320 398543184 498178980 664238640 996357960 1992715920
• Sum of all divisors σ(n): 7207023096
• Sum of proper divisors (its aliquot sum) s(n): 5214307176
• 1992715920 is an abundant number, because the sum of its proper divisors (5214307176) is greater than itself. Its abundance is 3221591256

Bases of 1992715920

• Binary: 1110110110001100110111010010000₂
• Hexadecimal: 0x76C66E90
• Base-36: WYETG0

Squares and roots of 1992715920

• 1992715920 squared (1992715920²) is 3970916737821446400
• 1992715920 cubed (1992715920³) is 7912909000451262358706688000
• The square root of 1992715920 is 44639.8467739305
• The cube root of 1992715920 is 1258.3896282677

Scales and comparisons

• 1,992,715,920 seconds is equal to 63 years, 18 weeks, 5 days, 20 hours, 12 minutes.
• To count from 1 to 1,992,715,920 would take you about one hundred twenty-six 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 1992715920 cubic inches would be around 104.9 feet tall.

Recreational maths with 1992715920

• 1992715920 backwards is 0295172991
• 1992715920 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1992715920's digits is 45
• More coming soon!