638996925 is an odd 9-digits composite number following 638996924
and preceding 638996926 . In scientific notation, it is written as 6.38996925 × 10^8.
The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors.
There are 279407040 positive integers (up to 638996925) that are relatively prime to 638996925.
638996925 has 16 divisors, whose sum is 894136320
The reverse of 638996925 is 529699836
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 57
Digital Root 3
Name
six hundred thirty-eight million nine hundred ninety-six thousand nine hundred twenty-five
Scientific notation
6.38996925 × 10^8
Engineering notation
6.38996925 × 10^6
Prime Factorization
3 × 175 × 23 × 52919
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
638996925
Product of the distinct prime numbers
The prime factorization of 638996925 is 3 × 175 × 23 × 52919.
Since it has a total of 4 prime factors.
6 , 10 , 14 , 68 , 26 , 50 , 3763 , 7980 , 23791 , 29221 , 595611 , 284508 , 5980590 , 306743 , 35601026 , 65220480 , 466917842 , 915608637 , 2322342522 , 4583900696
n×2
1277993850
n×3
1916990775
n×4
2555987700
n×5
3194984625
n÷2
319498462.5
n÷3
212998975
n÷3
159749231.25
n÷5
127799385
n2
408317070159455625
n3
2.609133522569E+26
n4
1.667228297836E+35
n5
1.0653537555902E+44
2 √n
25278.388496896
3 √n
861.32341985156
4 √n
158.991787514
5 √n
57.689895682494
1 , 3 , 23 , 69 , 175 , 525 , 4025 , 12075 , 52919 , 158757 , 1217137 , 3651411 , 9260825 , 27782475 , 212998975 , 638996925
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
-638996924
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 638996925 can be divided by 16 positive divisors.
The sum of these divisors (counting 638996925) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110000101100101000110111101
3
Ternary
1122112101101222210
4
Quaternary
212011211012331
5
Quinary
2302040400200
6
Senary
143223531033
8
Octal
4605450675
10
Decimal
638996925
12
Duodecimal
159bb9a79
16
Hexadecimal
261651bd
20
Vigesimal
9jdec65
36
Base36
akfx6l
md5
cf4e2b677ce4cdd35bebadebbed35467
sha1
e26b47a3e8028fca02e122fc268cb504b6b36103
sha256
e487ddeb5c69cbc50d595b74061c925da0bbd5b8cfc690f93e7d90dc31cf1baf
sha512
a2749994b091da733fa777607c4c08fdcaafcfee3d570d67337bab4264df5018ce4f0edba848a320f39f4536507be6d8a6674ac714d5c798f100f2cb5a599c86
ripemd-160
807dc9668dd5f0e6680947bd4caf2c09e32644df
Diameter
1277993850
Circumference
4014936090.4929
Area
1.2827659079483E+18
Volume
1.0929112942317E+27
Surface area
5.131063631793E+18
Circumference
4014936090.4929
Perimeter
2555987700
Area
408317070159455625
Diagonal
903678117.6497
Surface area
2449902420956733750
Volume
2.609133522569E+26
Space diagonal
1106775139.9803
Perimeter
1916990775
Area
1.7680647777846E+17
Altitude
553387569.99014
Surface area
1.7680647777846E+17
Volume
3.0748933447162E+25
Height
301226039.21657