638630157 is an odd 9-digits composite number following 638630156
and preceding 638630158 . In scientific notation, it is written as 6.38630157 × 10^8.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 387048560 positive integers (up to 638630157) that are relatively prime to 638630157.
638630157 has 4 divisors, whose sum is 657982620
The reverse of 638630157 is 751036836
Previous prime number is 33
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
six hundred thirty-eight million six hundred thirty thousand one hundred fifty-seven
Scientific notation
6.38630157 × 10^8
Engineering notation
6.38630157 × 10^6
Prime Factorization
33 × 19352429
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
638630157
Product of the distinct prime numbers
The prime factorization of 638630157 is 33 × 19352429.
Since it has a total of 2 prime factors.
7 , 1 , 56 , 84 , 62 , 980 , 1362 , 7447 , 19811 , 33782 , 651453 , 811737 , 5865024 , 4151733 , 40904455 , 9516863 , 589847525 , 562074756 , 2402590415 , 6807676728
n×2
1277260314
n×3
1915890471
n×4
2554520628
n×5
3193150785
n÷2
319315078.5
n÷3
212876719
n÷3
159657539.25
n÷5
127726031.4
n2
407848477429844649
n3
2.6046433717323E+26
n4
1.6634038054184E+35
n5
1.0622998334088E+44
2 √n
25271.132879236
3 √n
861.15859572611
4 √n
158.96896829015
5 √n
57.68327165463
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
-638630156
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 638630157 can be divided by 4 positive divisors.
The sum of these divisors (counting 638630157) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110000100001011100100001101
3
Ternary
1122111200202212210
4
Quaternary
212010023210031
5
Quinary
2301442131112
6
Senary
143212021033
8
Octal
4604134415
10
Decimal
638630157
12
Duodecimal
159a61779
16
Hexadecimal
2610b90d
20
Vigesimal
9jb8f7h
36
Base36
ak826l
md5
178b3cc8f9052a84f400772402164e55
sha1
76e79e69018fe886015b507ea057ba6e69cf4f29
sha256
05774d32b7532466064094faba424df386695f5f9f267c59059306cf4093293d
sha512
49be0d6b3367d0d828476ebc3e818d2685d6ef309f3896f772f1fb47e1fad1a5c76ca2a8b275d4976f5dfbf17e8b84e880bc6c255401efd1dd2fcc8c934bae57
ripemd-160
293b9a0b1d1fad9a15882e51452acaa6e0893344
Diameter
1277260314
Circumference
4012631619.1842
Area
1.2812937804714E+18
Volume
1.0910304642474E+27
Surface area
5.1251751218855E+18
Circumference
4012631619.1842
Perimeter
2554520628
Area
407848477429844649
Diagonal
903159429.36986
Surface area
2447090864579067894
Volume
2.6046433717323E+26
Space diagonal
1106139879.1697
Perimeter
1915890471
Area
1.7660357117452E+17
Altitude
553069939.58484
Surface area
1.7660357117452E+17
Volume
3.0696016512075E+25
Height
301053143.12329