638992964 is an even 9-digits composite number following 638992963
and preceding 638992965 . In scientific notation, it is written as 6.38992964 × 10^8.
The sum of its digits is 56. It has a total of 4 prime factors and 12 positive divisors.
There are 319253064 positive integers (up to 638992964) that are relatively prime to 638992964.
638992964 has 12 divisors, whose sum is 1119089664
The reverse of 638992964 is 469299836
Previous prime number is 1327
Is Prime? no Number parity even Number length 9 Sum of Digits 56 Digital Root 2
Name
six hundred thirty-eight million nine hundred ninety-two thousand nine hundred sixty-four
Scientific notation
6.38992964 × 10^8
Engineering notation
6.38992964 × 10^6
Prime Factorization
2 × 2 × 1327 × 120383
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
319496482 Product of the distinct prime numbers
The prime factorization of 638992964 is 2 × 2 × 1327 × 120383.
Since it has a total of 4 prime factors.
4 , 1 , 79 , 80 , 753 , 170 , 1614 , 9916 , 9123 , 77453 , 959278 , 253551 , 4193517 , 8466828 , 2587131 , 52556916 , 87293136 , 853508557 , 6775332792 , 1022452196
n×2
1277985928
n×3
1916978892
n×4
2555971856
n×5
3194964820
n÷2
319496482
n÷3
212997654.66667
n÷3
159748241
n÷5
127798592.8
n2
408312008041505296
n3
2.6090850025523E+26
n4
1.6671869591089E+35
n5
1.0653207365431E+44
2 √n25278.310149217
3 √n861.32164013036
4 √n158.99154112473
5 √n57.689824160947
1 , 2 , 4 , 1327 , 2654 , 5308 , 120383 , 240766 , 481532 , 159748241 , 319496482 , 638992964
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-638992963 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 638992964 can be divided by 12 positive divisors.
The sum of these divisors (counting 638992964) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110000101100100001001000100
3
Ternary
1122112101012120002
4
Quaternary
212011210021010
5
Quinary
2302040233324
6
Senary
143223500432
8
Octal
4605441104
10
Decimal
638992964
12
Duodecimal
159bb7718
16
Hexadecimal
26164244
20
Vigesimal
9jde284
36
Base36
akfu4k
md5
3889e6e936d8c10d2a47910c92d42316
sha1
b63d7a2760b264eac6406053dbe874e3e2b4c6df
sha256
421deca6b3fec04f9b3d4e6ffaf89933d501fd73bd34a96e40b18ab141dae21b
sha512
af93d513e092e9b7fad5ea48b95dcc4644e5d4339114118081c18a7d9ebcf872646dbb39fe9418b66826bf7d4fe26c9285d47654e8d26ee7a5511a27f9d8b2b3
ripemd-160
51217c6cf9937dd9f30aee2bd6bc367558a05e74
Diameter
1277985928
Circumference
4014911202.7959
Area
1.2827500048357E+18
Volume
1.0928909702146E+27
Surface area
5.1310000193428E+18
Circumference
4014911202.7959
Perimeter
2555971856
Area
408312008041505296
Diagonal
903672515.94978
Surface area
2449872048249031776
Volume
2.6090850025523E+26
Space diagonal
1106768279.327
Perimeter
1916978892
Area
1.7680428581709E+17
Altitude
553384139.66352
Surface area
1.7680428581709E+17
Volume
3.0748361633281E+25
Height
301224171.98326