638862340 is an even 9-digits composite number following 638862339
and preceding 638862341 . In scientific notation, it is written as 6.38862340 × 10^8.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 255544928 positive integers (up to 638862340) that are relatively prime to 638862340.
638862340 has 12 divisors, whose sum is 1341610956
The reverse of 638862340 is 043268836
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
six hundred thirty-eight million eight hundred sixty-two thousand three hundred forty
Scientific notation
6.38862340 × 10^8
Engineering notation
6.38862340 × 10^6
Prime Factorization
2 × 2 × 5 × 31943117
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
319431170
Product of the distinct prime numbers
The prime factorization of 638862340 is 2 × 2 × 5 × 31943117.
Since it has a total of 4 prime factors.
3 , 5 , 86 , 81 , 942 , 113 , 3956 , 8555 , 14225 , 84773 , 725179 , 5616 , 2778648 , 434101 , 11175342 , 85121934 , 195809226 , 71957297 , 4582083371 , 3209959961
n×2
1277724680
n×3
1916587020
n×4
2555449360
n×5
3194311700
n÷2
319431170
n÷3
212954113.33333
n÷3
159715585
n÷5
127772468
n2
408145089470275600
n3
2.6074852691849E+26
n4
1.665824140587E+35
n5
1.0642323084839E+44
2 √n
25275.726300148
3 √n
861.26294519861
4 √n
158.98341517324
5 √n
57.687465358183
1 , 2 , 4 , 5 , 10 , 20 , 31943117 , 63886234 , 127772468 , 159715585 , 319431170 , 638862340
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-638862339
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 638862340 can be divided by 12 positive divisors.
The sum of these divisors (counting 638862340) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110000101000100010000000100
3
Ternary
1122112010120101011
4
Quaternary
212011010100010
5
Quinary
2302022043330
6
Senary
143221012004
8
Octal
4605042004
10
Decimal
638862340
12
Duodecimal
159b54004
16
Hexadecimal
26144404
20
Vigesimal
9jchfh0
36
Base36
akd1c4
md5
bc8042f5f60a4479d11212471d129d97
sha1
cb8f774d46b8f3d432a9596964e21ca088d6987a
sha256
1c35d1387d5560b88015773b61e8235fbccc915694c49e175f16a7dd7534520d
sha512
c15982c8a73258788d22de83426d26cc7230f35c3ffc97463450f8596b13fa3dbc4fd1b79416f30da2a8bc6b719365b88936aa3ba9cea98c9640d33e00d69f0c
ripemd-160
ace7c167bc672e782823e57cf71e319a49d39063
Diameter
1277724680
Circumference
4014090467.9984
Area
1.2822256146786E+18
Volume
1.0922208754686E+27
Surface area
5.1289024587143E+18
Circumference
4014090467.9984
Perimeter
2555449360
Area
408145089470275600
Diagonal
903487785.71741
Surface area
2448870536821653600
Volume
2.6074852691849E+26
Space diagonal
1106542031.9223
Perimeter
1916587020
Area
1.7673200795557E+17
Altitude
553271015.96117
Surface area
1.7673200795557E+17
Volume
3.0729508594745E+25
Height
301162595.23914