642693 is an odd 6-digits composite number following 642692
and preceding 642694 . In scientific notation, it is written as 6.42693 × 10^5.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 426384 positive integers (up to 642693) that are relatively prime to 642693.
642693 has 8 divisors, whose sum is 861088
The reverse of 642693 is 396246
Previous prime number is 283
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 30
Digital Root 3
Name
six hundred forty-two thousand six hundred ninety-three
Scientific notation
6.42693 × 10^5
Engineering notation
6.42693 × 10^3
Prime Factorization
3 × 283 × 757
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
642693
Product of the distinct prime numbers
The prime factorization of 642693 is 3 × 283 × 757.
Since it has a total of 3 prime factors.
5 , 6 , 37 , 52 , 61 , 883 , 6169 , 8705 , 69578 , 96974 , 9051 , 113264 , 4153967 , 2437770 , 91787423 , 19614077 , 942543236 , 565296296 , 9944012857 , 4012913316
n×2
1285386
n×3
1928079
n×4
2570772
n×5
3213465
n÷2
321346.5
n÷3
214231
n÷3
160673.25
n÷5
128538.6
n2
413054292249
n3
265467102248386557
n4
1.7061384834532E+23
n5
1.096523260346E+29
2 √n
801.68135814674
3 √n
86.298091222769
4 √n
28.313978140606
5 √n
14.5077717406
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
-642692
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 642693 can be divided by 8 positive divisors.
The sum of these divisors (counting 642693) is 1, the average is 0.125.
Base
System
Value
2
Binary
10011100111010000101
3
Ternary
1012122121110
4
Quaternary
2130322011
5
Quinary
131031233
6
Senary
21435233
8
Octal
2347205
10
Decimal
642693
12
Duodecimal
26bb19
16
Hexadecimal
9ce85
20
Vigesimal
406ed
36
Base36
drwl
md5
c7f4b313b24f2e2b587d191deadbdbf6
sha1
d09f68b403744a21284738f2ae63ad06d606b2fd
sha256
4e107250473707f0756d9d187289b5d69dddef85d3988517a7a423ab14834c5b
sha512
b456f4240027402d616a6738d1c82dfdf5a6c236b64bced6df3a36e87abc7039ccdf6b507ade5fc5bd3f67a7322db324af7b75bbe6f113131b2fa03fbc07210a
ripemd-160
46098076675e3e7e493fc5f5f4ec1593ea22cb1f
Diameter
1285386
Circumference
4038159.2146272
Area
1297648330063.2
Volume
1.1119859975911E+18
Surface area
5190593320252.8
Circumference
4038159.2146272
Perimeter
2570772
Area
413054292249
Diagonal
908905.15704225
Surface area
2478325753494
Volume
265467102248386557
Space diagonal
1113176.9296689
Perimeter
1928079
Area
178857755114.92
Altitude
556588.46483443
Surface area
178857755114.92
Volume
3.1285598030296E+16
Height
302968.38568075