638634448 is an even 9-digits composite number following 638634447
and preceding 638634449 . In scientific notation, it is written as 6.38634448 × 10^8.
The sum of its digits is 46. It has a total of 6 prime factors and 20 positive divisors.
There are 319156704 positive integers (up to 638634448) that are relatively prime to 638634448.
638634448 has 20 divisors, whose sum is 1237976320
The reverse of 638634448 is 844436836
Previous prime number is 2239
Is Prime? no
Number parity even
Number length 9
Sum of Digits 46
Digital Root 1
Name
six hundred thirty-eight million six hundred thirty-four thousand four hundred forty-eight
Scientific notation
6.38634448 × 10^8
Engineering notation
6.38634448 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2239 × 17827
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
79829306
Product of the distinct prime numbers
The prime factorization of 638634448 is 2 × 2 × 2 × 2 × 2239 × 17827.
Since it has a total of 6 prime factors.
4 , 3 , 21 , 53 , 352 , 977 , 8034 , 9757 , 24637 , 62463 , 288446 , 929873 , 5263161 , 2930053 , 95374334 , 51400686 , 854601326 , 182534237 , 9829957986 , 2774720893
n×2
1277268896
n×3
1915903344
n×4
2554537792
n×5
3193172240
n÷2
319317224
n÷3
212878149.33333
n÷3
159658612
n÷5
127726889.6
n2
407853958172264704
n3
2.6046958744196E+26
n4
1.6634485119678E+35
n5
1.062335522217E+44
2 √n
25271.217778334
3 √n
861.16052444976
4 √n
158.96923532034
5 √n
57.683349169997
1 , 2 , 4 , 8 , 16 , 2239 , 4478 , 8956 , 17827 , 17912 , 35654 , 35824 , 71308 , 142616 , 285232 , 39914653 , 79829306 , 159658612 , 319317224 , 638634448
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
-638634447
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 638634448 can be divided by 20 positive divisors.
The sum of these divisors (counting 638634448) is 1, the average is 0.05.
Base
System
Value
2
Binary
100110000100001100100111010000
3
Ternary
1122111200222202201
4
Quaternary
212010030213100
5
Quinary
2301442300243
6
Senary
143212052544
8
Octal
4604144720
10
Decimal
638634448
12
Duodecimal
159a64154
16
Hexadecimal
2610c9d0
20
Vigesimal
9jb9628
36
Base36
ak85hs
md5
25a8d8ea9934262af8b378c6c9d9bc73
sha1
978d56caeb22e164802fbf8ebba61470e4e1f486
sha256
1773aea97a67dc27867044a163ae850d508812862355f64ddc616b9d21c22b8a
sha512
d72dc7702c0e0ea2e2dec6cc54f375f19878de53eb190201f7fd56d6d823e7a7906580d8e5d3be3704576e05d7e6f44b01b0cdee9a768d1f350783e00f60bbf2
ripemd-160
0c7d969475bb25e90449383febaa3194e820aa32
Diameter
1277268896
Circumference
4012658580.3323
Area
1.2813109987315E+18
Volume
1.0910524565216E+27
Surface area
5.125243994926E+18
Circumference
4012658580.3323
Perimeter
2554537792
Area
407853958172264704
Diagonal
903165497.76026
Surface area
2447123749033588224
Volume
2.6046958744196E+26
Space diagonal
1106147311.3997
Perimeter
1915903344
Area
1.7660594440561E+17
Altitude
553073655.69985
Surface area
1.7660594440561E+17
Volume
3.0696635262179E+25
Height
301055165.92009