1638943953 is an odd 10-digits composite number following 1638943952
and preceding 1638943954 . In scientific notation, it is written as 1.638943953 × 10^9.
The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors.
There are 1092629300 positive integers (up to 1638943953) that are relatively prime to 1638943953.
1638943953 has 4 divisors, whose sum is 2185258608
The reverse of 1638943953 is 3593498361
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 51
Digital Root 6
Name
one billion six hundred thirty-eight million nine hundred forty-three thousand nine hundred fifty-three
Scientific notation
1.638943953 × 10^9
Engineering notation
1.638943953 × 10^9
Prime Factorization
3 × 546314651
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1638943953
Product of the distinct prime numbers
The prime factorization of 1638943953 is 3 × 546314651.
Since it has a total of 2 prime factors.
4 , 7 , 83 , 13 , 623 , 949 , 4689 , 7022 , 89124 , 96469 , 571700 , 109791 , 8146481 , 2842977 , 4987149 , 84600358 , 534738906 , 492027028 , 4543211296 , 2486219186
n×2
3277887906
n×3
4916831859
n×4
6555775812
n×5
8194719765
n÷2
819471976.5
n÷3
546314651
n÷3
409735988.25
n÷5
327788790.6
n2
2686137281075266209
n3
4.4024284537462E+27
n4
7.2153334927824E+36
n5
1.1825527196874E+46
2 √n
40483.872751998
3 √n
1179.0205299722
4 √n
201.20604551553
5 √n
69.648668849986
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
-1638943952
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 1638943953 can be divided by 4 positive divisors.
The sum of these divisors (counting 1638943953) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100001101100000100110011010001
3
Ternary
11020012221222102220
4
Quaternary
1201230010303101
5
Quinary
11324032201303
6
Senary
430344131253
8
Octal
14154046321
10
Decimal
1638943953
12
Duodecimal
398a66b29
16
Hexadecimal
61b04cd1
20
Vigesimal
15c37jhd
36
Base36
r3s98x
md5
059c5940ae16aab800947a0930c7ef1c
sha1
b78e6d33fab18f756ab9e8a8a7a98584d5bd92d0
sha256
69c9f622a0b06d40933e36dc0e209aa789bb335bdf4ff6c05f6993a32f6aa12b
sha512
8906bad11f608579817339917e2df71d070b3b93cd109b4ac249df997cd5a6f3029afebaa79143a3b65bae6c2dd37057c20e531b23bdf219d1926211d216d9fb
ripemd-160
92d112e11a3bf00a5de858a43120c1863daa987a
Diameter
3277887906
Circumference
10297788564.78
Area
8.4387491487597E+18
Volume
1.8440849184325E+28
Surface area
3.3754996595039E+19
Circumference
10297788564.78
Perimeter
6555775812
Area
2686137281075266209
Diagonal
2317816766.302
Surface area
1.6116823686452E+19
Volume
4.4024284537462E+27
Space diagonal
2838734197.3538
Perimeter
4916831859
Area
1.1631315617318E+18
Altitude
1419367098.6769
Surface area
1.1631315617318E+18
Volume
5.1883116888875E+26
Height
772605588.76732