638960157 is an odd 9-digits composite number following 638960156
and preceding 638960158 . In scientific notation, it is written as 6.38960157 × 10^8.
The sum of its digits is 45. It has a total of 6 prime factors and 20 positive divisors.
There are 387248040 positive integers (up to 638960157) that are relatively prime to 638960157.
638960157 has 20 divisors, whose sum is 1041269856
The reverse of 638960157 is 751069836
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
six hundred thirty-eight million nine hundred sixty thousand one hundred fifty-seven
Scientific notation
6.38960157 × 10^8
Engineering notation
6.38960157 × 10^6
Prime Factorization
11 × 3 × 3 × 3 × 3 × 717127
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
23665191
Product of the distinct prime numbers
The prime factorization of 638960157 is 11 × 3 × 3 × 3 × 3 × 717127.
Since it has a total of 6 prime factors.
7 , 7 , 46 , 94 , 667 , 10 , 7229 , 1853 , 65334 , 64065 , 589143 , 513320 , 9829471 , 5638740 , 62260566 , 55785489 , 14941905 , 762706231 , 5410151152 , 9012866645
n×2
1277920314
n×3
1916880471
n×4
2555840628
n×5
3194800785
n÷2
319480078.5
n÷3
212986719
n÷3
159740039.25
n÷5
127792031.4
n2
408270082233464649
n3
2.608683158423E+26
n4
1.6668446004692E+35
n5
1.0650472876104E+44
2 √n
25277.661224884
3 √n
861.30689929896
4 √n
158.98950036051
5 √n
57.689231769782
1 , 3 , 9 , 11 , 27 , 33 , 81 , 99 , 297 , 891 , 717127 , 2151381 , 6454143 , 7888397 , 19362429 , 23665191 , 58087287 , 70995573 , 212986719 , 638960157
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-638960156
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 638960157 can be divided by 20 positive divisors.
The sum of these divisors (counting 638960157) is 1, the average is 0.05.
Base
System
Value
2
Binary
100110000101011100001000011101
3
Ternary
1122112022112120000
4
Quaternary
212011130020131
5
Quinary
2302033211112
6
Senary
143223044513
8
Octal
4605341035
10
Decimal
638960157
12
Duodecimal
159ba0739
16
Hexadecimal
2615c21d
20
Vigesimal
9jda07h
36
Base36
akf4t9
md5
b6148b3914085a6f1c2d1da49ef7319e
sha1
612e37e29f832b52a1bed17cdd2d485c55af3090
sha256
2643a1a5168d808a1f9c05ed7935dad8062b38b43381a07146c563d2911ac60f
sha512
2ae05e3a1f0d7968687c566d857a4472cf2565078e5e76f5bf351159c0e4f40554882dcee39ca6d7368fa7874ce1bfba338ca913533e03c4bcc2d052d5a3d273
ripemd-160
14a8a89d1ea01627309f05453bb9b46983313ed4
Diameter
1277920314
Circumference
4014705070.3356
Area
1.2826182910252E+18
Volume
1.0927226461393E+27
Surface area
5.1304731641006E+18
Circumference
4014705070.3356
Perimeter
2555840628
Area
408270082233464649
Diagonal
903626119.84544
Surface area
2449620493400787894
Volume
2.608683158423E+26
Space diagonal
1106711455.9362
Perimeter
1916880471
Area
1.7678613140967E+17
Altitude
553355727.96809
Surface area
1.7678613140967E+17
Volume
3.07436258548E+25
Height
301208706.61515