638995792 is an even 9-digits composite number following 638995791
and preceding 638995793 . In scientific notation, it is written as 6.38995792 × 10^8.
The sum of its digits is 58. It has a total of 6 prime factors and 20 positive divisors.
There are 315907328 positive integers (up to 638995792) that are relatively prime to 638995792.
638995792 has 20 divisors, whose sum is 1251967860
The reverse of 638995792 is 297599836
Previous prime number is 89
Is Prime? no
Number parity even
Number length 9
Sum of Digits 58
Digital Root 4
Name
six hundred thirty-eight million nine hundred ninety-five thousand seven hundred ninety-two
Scientific notation
6.38995792 × 10^8
Engineering notation
6.38995792 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 89 × 448733
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
79874474
Product of the distinct prime numbers
The prime factorization of 638995792 is 2 × 2 × 2 × 2 × 89 × 448733.
Since it has a total of 6 prime factors.
3 , 3 , 18 , 28 , 925 , 616 , 9871 , 8626 , 52338 , 6480 , 488050 , 445715 , 1755285 , 2801311 , 61477723 , 93894553 , 37971113 , 853421310 , 6060966800 , 9403947555
n×2
1277991584
n×3
1916987376
n×4
2555983168
n×5
3194978960
n÷2
319497896
n÷3
212998597.33333
n÷3
159748948
n÷5
127799158.4
n2
408315622193707264
n3
2.6091196438964E+26
n4
1.6672164732743E+35
n5
1.0653443107754E+44
2 √n
25278.366086438
3 √n
861.32291078286
4 √n
158.9917170372
5 √n
57.689875224587
1 , 2 , 4 , 8 , 16 , 89 , 178 , 356 , 712 , 1424 , 448733 , 897466 , 1794932 , 3589864 , 7179728 , 39937237 , 79874474 , 159748948 , 319497896 , 638995792
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
-638995791
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 638995792 can be divided by 20 positive divisors.
The sum of these divisors (counting 638995792) is 1, the average is 0.05.
Base
System
Value
2
Binary
100110000101100100110101010000
3
Ternary
1122112101100102211
4
Quaternary
212011210311100
5
Quinary
2302040331132
6
Senary
143223521504
8
Octal
4605446520
10
Decimal
638995792
12
Duodecimal
159bb9294
16
Hexadecimal
26164d50
20
Vigesimal
9jde99c
36
Base36
akfwb4
md5
96f6583caaff765f734ca50863921960
sha1
6e9bc1419b43814ec1b557f6d9dff5003a317252
sha256
6dd47ea0ca6fe9fe08522e25d71c81dffae1043f45d45c87b07fc917b37b15d5
sha512
ebf1c0382fe999bb6941badf2cec0c75733734494be09f0066ed286b66cd8d13c4dddc29bf1b19ec92e1e455953e4498b161ec7c04433e353ede461755004897
ripemd-160
6d7ab2ca6477a3b5b36a260f434f016b3b4eca90
Diameter
1277991584
Circumference
4014928971.644
Area
1.2827613590297E+18
Volume
1.0929054807469E+27
Surface area
5.1310454361188E+18
Circumference
4014928971.644
Perimeter
2555983168
Area
408315622193707264
Diagonal
903676515.34574
Surface area
2449893733162243584
Volume
2.6091196438964E+26
Space diagonal
1106773177.5667
Perimeter
1916987376
Area
1.768058507909E+17
Altitude
553386588.78336
Surface area
1.768058507909E+17
Volume
3.0748769885436E+25
Height
301225505.11525