638867069 is an odd 9-digits composite number following 638867068
and preceding 638867070 . In scientific notation, it is written as 6.38867069 × 10^8.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 634797696 positive integers (up to 638867069) that are relatively prime to 638867069.
638867069 has 4 divisors, whose sum is 642936444
The reverse of 638867069 is 960768836
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 53
Digital Root 8
Name
six hundred thirty-eight million eight hundred sixty-seven thousand sixty-nine
Scientific notation
6.38867069 × 10^8
Engineering notation
6.38867069 × 10^6
Prime Factorization
157 × 4069217
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
638867069
Product of the distinct prime numbers
The prime factorization of 638867069 is 157 × 4069217.
Since it has a total of 2 prime factors.
8 , 4 , 65 , 86 , 396 , 687 , 6395 , 7736 , 32345 , 97607 , 3103 , 408766 , 5824324 , 6870990 , 53112060 , 40998598 , 873997808 , 672824551 , 8929660865 , 1291117337
n×2
1277734138
n×3
1916601207
n×4
2555468276
n×5
3194335345
n÷2
319433534.5
n÷3
212955689.66667
n÷3
159716767.25
n÷5
127773413.8
n2
408151131852650761
n3
2.6075431731574E+26
n4
1.665873464326E+35
n5
1.0642716974788E+44
2 √n
25275.819848226
3 √n
861.26507027949
4 √n
158.98370938001
5 √n
57.687550760999
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
-638867068
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 638867069 can be divided by 4 positive divisors.
The sum of these divisors (counting 638867069) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110000101000101011001111101
3
Ternary
1122112010210212022
4
Quaternary
212011011121331
5
Quinary
2302022221234
6
Senary
143221045525
8
Octal
4605053175
10
Decimal
638867069
12
Duodecimal
159b568a5
16
Hexadecimal
2614567d
20
Vigesimal
9jci7d9
36
Base36
akd4zh
md5
48778b9fe9c07df360bebab487e80a61
sha1
1e1e54fb75263e2465d7c5ebdffe34eb3dfcad94
sha256
2a37332086c9e54d3efa35ce14af043315d3564c5e660a5644e4d4100de40780
sha512
b3afc89cb3abcdacf3cd85bf2b8a6f641f74bc0fe22e3c47649885fcad9d9f4eebfce2ec5800be3c769fc6fc1418746a9f97c316ba8d6bd26ed4f908791f3f02
ripemd-160
6f9b7a862fe1974dca4d8c3a9a85f670db9cd288
Diameter
1277734138
Circumference
4014120181.1817
Area
1.2822445973826E+18
Volume
1.0922451302279E+27
Surface area
5.1289783895306E+18
Circumference
4014120181.1817
Perimeter
2555468276
Area
408151131852650761
Diagonal
903494473.53335
Surface area
2448906791115904566
Volume
2.6075431731574E+26
Space diagonal
1106550222.7906
Perimeter
1916601207
Area
1.7673462438388E+17
Altitude
553275111.39531
Surface area
1.7673462438388E+17
Volume
3.0730190999604E+25
Height
301164824.51112