1639871965 is an odd 10-digits composite number following 1639871964
and preceding 1639871966 . In scientific notation, it is written as 1.639871965 × 10^9.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 1311897568 positive integers (up to 1639871965) that are relatively prime to 1639871965.
1639871965 has 4 divisors, whose sum is 1967846364
The reverse of 1639871965 is 5691789361
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 55
Digital Root 1
Name
one billion six hundred thirty-nine million eight hundred seventy-one thousand nine hundred sixty-five
Scientific notation
1.639871965 × 10^9
Engineering notation
1.639871965 × 10^9
Prime Factorization
5 × 327974393
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1639871965
Product of the distinct prime numbers
The prime factorization of 1639871965 is 5 × 327974393.
Since it has a total of 2 prime factors.
1 , 2 , 42 , 63 , 931 , 397 , 1991 , 2849 , 22490 , 34928 , 679442 , 180338 , 1691440 , 3423013 , 81486737 , 58602815 , 520945671 , 199050144 , 1835472698 , 4321009247
n×2
3279743930
n×3
4919615895
n×4
6559487860
n×5
8199359825
n÷2
819935982.5
n÷3
546623988.33333
n÷3
409967991.25
n÷5
327974393
n2
2689180061592961225
n3
4.4099109918433E+27
n4
7.2316894036691E+36
n5
1.1859044712665E+46
2 √n
40495.332632292
3 √n
1179.2430185147
4 √n
201.23452147257
5 √n
69.656554435845
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1639871964
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1639871965 can be divided by 4 positive divisors.
The sum of these divisors (counting 1639871965) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100001101111100111010111011101
3
Ternary
11020021201010102201
4
Quaternary
1201233213113131
5
Quinary
11324301400330
6
Senary
430420051501
8
Octal
14157472735
10
Decimal
1639871965
12
Duodecimal
399233b91
16
Hexadecimal
61be75dd
20
Vigesimal
15c93ji5
36
Base36
r4c5b1
md5
1be28070f7ed61896b7339e6c3764a58
sha1
c0274dee45b91f48100978cfdb330151e228eb8b
sha256
b2b2ffb489f08e7ccf7a1e5c8dca5e043da580822c1ba8bb87b63f266c32457d
sha512
990876cb8fa2384458a33ad36d3ababfdaf083745534b49daf993d069f8007de9239ede5b14e459eae9ba832d2e2982d2a08ad3797f0d43b733cbbe55a3c79b8
ripemd-160
beefc72942161a108f44df1ae01e8c646f89cacc
Diameter
3279743930
Circumference
10303619436.144
Area
8.4483083256806E+18
Volume
1.8472191966613E+28
Surface area
3.3793233302722E+19
Circumference
10303619436.144
Perimeter
6559487860
Area
2689180061592961225
Diagonal
2319129173.4584
Surface area
1.6135080369558E+19
Volume
4.4099109918433E+27
Space diagonal
2840341561.2878
Perimeter
4919615895
Area
1.1644491243451E+18
Altitude
1420170780.6439
Surface area
1.1644491243451E+18
Volume
5.1971299446025E+26
Height
773043057.81947