642000938 is an even 9-digits composite number following 642000937
and preceding 642000939 . In scientific notation, it is written as 6.42000938 × 10^8.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 320963596 positive integers (up to 642000938) that are relatively prime to 642000938.
642000938 has 8 divisors, whose sum is 963112032
The reverse of 642000938 is 839000246
Previous prime number is 22787
Is Prime? no
Number parity even
Number length 9
Sum of Digits 32
Digital Root 5
Name
six hundred forty-two million nine hundred thirty-eight
Scientific notation
6.42000938 × 10^8
Engineering notation
6.42000938 × 10^6
Prime Factorization
2 × 22787 × 14087
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
642000938
Product of the distinct prime numbers
The prime factorization of 642000938 is 2 × 22787 × 14087.
Since it has a total of 3 prime factors.
7 , 10 , 88 , 85 , 771 , 644 , 7522 , 7551 , 7549 , 83831 , 943780 , 555950 , 3180997 , 8781339 , 17416269 , 89910609 , 166888505 , 147854577 , 2960508477 , 3792920749
n×2
1284001876
n×3
1926002814
n×4
2568003752
n×5
3210004690
n÷2
321000469
n÷3
214000312.66667
n÷3
160500234.5
n÷5
128400187.6
n2
412165204392879844
n3
2.6461044783119E+26
n4
1.6988015571222E+35
n5
1.0906321931483E+44
2 √n
25337.737428587
3 √n
862.67104380654
4 √n
159.17831959343
5 √n
57.744035607389
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-642000937
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 642000938 can be divided by 8 positive divisors.
The sum of these divisors (counting 642000938) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110010001000010100000101010
3
Ternary
1122202001000201112
4
Quaternary
212101002200222
5
Quinary
2303323012223
6
Senary
143412150322
8
Octal
4621024052
10
Decimal
642000938
12
Duodecimal
15b0083a2
16
Hexadecimal
2644282a
20
Vigesimal
a0ca26i
36
Base36
am8b3e
md5
4df8a9226275bf70f91e5922264ff046
sha1
da08190c67d9ba3bf9db4950cc3fbc21f212ce48
sha256
5515517aa2ae2cf7aad284083d060461d0efb260ec363b012ea616a32eccb24d
sha512
ce5a6f867b3132f11a9fd0bba0f951319361148e1cac71e06a504bcb9d99d962deea709ac7d25953092c8ed5ab925d0df81b32242f6549bd722e38b657fbf47c
ripemd-160
4a30c1c506fea21b79b28e02b401b0bf8c16b5e6
Diameter
1284001876
Circumference
4033810860.8371
Area
1.294855178186E+18
Volume
1.1083976519594E+27
Surface area
5.179420712744E+18
Circumference
4033810860.8371
Perimeter
2568003752
Area
412165204392879844
Diagonal
907926433.57585
Surface area
2472991226357279064
Volume
2.6461044783119E+26
Space diagonal
1111978243.1229
Perimeter
1926002814
Area
1.7847276878012E+17
Altitude
555989121.56144
Surface area
1.7847276878012E+17
Volume
3.1184640339041E+25
Height
302642144.52528