1982139768

Names of 1982139768

• Cardinal: 1982139768 can be written as One billion, nine hundred eighty-two million, one hundred thirty-nine thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 1.982139768 × 10⁹

Factors of 1982139768

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 187289

Divisors of 1982139768

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 49 54 56 63 72 84 98 108 126 147 168 189 196 216 252 294 378 392 441 504 588 756 882 1176 1323 1512 1764 2646 3528 5292 10584 187277 374554 561831 749108 1123662 1310939 1498216 1685493 2247324 2621878 3370986 3932817 4494648 5056479 5243756 6741972 7865634 9176573 10112958 10487512 11798451 13483944 15731268 18353146 20225916 23596902 27529719 31462536 35395353 36706292 40451832 47193804 55059438 70790706 73412584 82589157 94387608 110118876 141581412 165178314 220237752 247767471 283162824 330356628 495534942 660713256 991069884 1982139768
• Sum of all divisors σ(n): 6404907600
• Sum of proper divisors (its aliquot sum) s(n): 4422767832
• 1982139768 is an abundant number, because the sum of its proper divisors (4422767832) is greater than itself. Its abundance is 2440628064

Bases of 1982139768

• Binary: 1110110001001010000110101111000₂
• Hexadecimal: 0x76250D78
• Base-36: WS44U0

Squares and roots of 1982139768

• 1982139768 squared (1982139768²) is 3928878059887093824
• 1982139768 cubed (1982139768³) is 7787585446124894258497592832
• The square root of 1982139768 is 44521.2282849429
• The cube root of 1982139768 is 1256.1594165917

Scales and comparisons

• 1,982,139,768 seconds is equal to 63 years, 1 week, 2 days, 10 hours, 22 minutes, 48 seconds.
• To count from 1 to 1,982,139,768 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 1982139768 cubic inches would be around 104.7 feet tall.

Recreational maths with 1982139768

• 1982139768 backwards is 8679312891
• 1982139768 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1982139768's digits is 54
• More coming soon!