639888907 is an odd 9-digits composite number following 639888906
and preceding 639888908 . In scientific notation, it is written as 6.39888907 × 10^8.
The sum of its digits is 58. It has a total of 4 prime factors and 16 positive divisors.
There are 541094400 positive integers (up to 639888907) that are relatively prime to 639888907.
639888907 has 16 divisors, whose sum is 741182400
The reverse of 639888907 is 709888936
Previous prime number is 601
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 58
Digital Root 4
Name
six hundred thirty-nine million eight hundred eighty-eight thousand nine hundred seven
Scientific notation
6.39888907 × 10^8
Engineering notation
6.39888907 × 10^6
Prime Factorization
7 × 89 × 601 × 1709
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
639888907
Product of the distinct prime numbers
The prime factorization of 639888907 is 7 × 89 × 601 × 1709.
Since it has a total of 4 prime factors.
10 , 1 , 8 , 98 , 339 , 39 , 8566 , 5587 , 58987 , 89317 , 23681 , 823818 , 9255990 , 5331996 , 2776909 , 14219419 , 289545423 , 806222784 , 8500380347 , 9101213346
n×2
1279777814
n×3
1919666721
n×4
2559555628
n×5
3199444535
n÷2
319944453.5
n÷3
213296302.33333
n÷3
159972226.75
n÷5
127977781.4
n2
409457813301654649
n3
2.6200751261621E+26
n4
1.6765570087377E+35
n5
1.0728102318444E+44
2 √n
25296.025517856
3 √n
861.72401008297
4 √n
159.04724303758
5 √n
57.705992673912
1 , 7 , 89 , 601 , 623 , 1709 , 4207 , 11963 , 53489 , 152101 , 374423 , 1027109 , 1064707 , 7189763 , 91412701 , 639888907
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-639888906
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 639888907 can be divided by 16 positive divisors.
The sum of these divisors (counting 639888907) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110001000111110111000001011
3
Ternary
1122121001201120011
4
Quaternary
212020332320023
5
Quinary
2302302421112
6
Senary
143255012351
8
Octal
4610767013
10
Decimal
639888907
12
Duodecimal
15a36a0b7
16
Hexadecimal
2623ee0b
20
Vigesimal
9jj6257
36
Base36
akz1fv
md5
c8df33ef77bc19342db3f20d370bf651
sha1
8c8a08a62a018c46e2598fc011d0a3273bbc6701
sha256
d070c33ae2bcbfe1f77ea06bd113cb93f7427b070ef43b8f358ee861d2021295
sha512
3ff5d82449578a8c5e2e5c9c00b4cbcee47f1f1838a3d47106aa2e09edd392fa6c1cffa8579640be6f3fe4d4d0865f3a69d233903d1c7a10250b29b5fbdf6088
ripemd-160
f80b5f68d6befa7eafd4af98dd3075772d9f0881
Diameter
1279777814
Circumference
4020540578.6896
Area
1.2863496582234E+18
Volume
1.0974945024272E+27
Surface area
5.1453986328937E+18
Circumference
4020540578.6896
Perimeter
2559555628
Area
409457813301654649
Diagonal
904939570.6915
Surface area
2456746879809927894
Volume
2.6200751261621E+26
Space diagonal
1108320098.1237
Perimeter
1919666721
Area
1.7730043404863E+17
Altitude
554160049.06186
Surface area
1.7730043404863E+17
Volume
3.0877881482123E+25
Height
301646523.56383