642722 is an even 6-digits composite number following 642721
and preceding 642723 . In scientific notation, it is written as 6.42722 × 10^5.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 317952 positive integers (up to 642722) that are relatively prime to 642722.
642722 has 8 divisors, whose sum is 974316
The reverse of 642722 is 227246
Previous prime number is 97
Is Prime? no
Number parity even
Number length 6
Sum of Digits 23
Digital Root 5
Name
six hundred forty-two thousand seven hundred twenty-two
Scientific notation
6.42722 × 10^5
Engineering notation
6.42722 × 10^3
Prime Factorization
2 × 97 × 3313
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
642722
Product of the distinct prime numbers
The prime factorization of 642722 is 2 × 97 × 3313.
Since it has a total of 3 prime factors.
1 , 3 , 26 , 36 , 992 , 9 , 7594 , 4482 , 3877 , 55458 , 205662 , 174988 , 6529746 , 1207260 , 45425340 , 58789997 , 791259309 , 374224619 , 8710476603 , 736902432
n×2
1285444
n×3
1928166
n×4
2570888
n×5
3213610
n÷2
321361
n÷3
214240.66666667
n÷3
160680.5
n÷5
128544.4
n2
413091569284
n3
265503039593351048
n4
1.7064464461352E+23
n5
1.0967706727529E+29
2 √n
801.69944492933
3 √n
86.299389202263
4 √n
28.314297535509
5 √n
14.507902664007
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
-642721
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 642722 can be divided by 8 positive divisors.
The sum of these divisors (counting 642722) is 1, the average is 0.125.
Base
System
Value
2
Binary
10011100111010100010
3
Ternary
1012122122112
4
Quaternary
2130322202
5
Quinary
131031342
6
Senary
21435322
8
Octal
2347242
10
Decimal
642722
12
Duodecimal
26bb42
16
Hexadecimal
9cea2
20
Vigesimal
406g2
36
Base36
drxe
md5
682c1deb26e74c0ad2e6ac81dedeaf92
sha1
7863cd32c821f893a847e8e21a998d00a3cb18b4
sha256
2a45425d017bb640d670ef719d88e59084ddcd8683fa004720ce2269f45686bb
sha512
3dffe8d1a6f6cbfc06805241499e8563e1c2750fc91f482aa2181cc4c4d1f588d12d1ac37d875d12e52918e6c08ee18a828207d733153d027720d1a8ca958fdc
ripemd-160
9085b85f0f53a69bb90c5779e2c4cecf4c3428f7
Diameter
1285444
Circumference
4038341.4270011
Area
1297765439322.5
Volume
1.1121365315896E+18
Surface area
5191061757290
Circumference
4038341.4270011
Perimeter
2570888
Area
413091569284
Diagonal
908946.16923556
Surface area
2478549415704
Volume
265503039593351048
Space diagonal
1113227.1591423
Perimeter
1928166
Area
178873896544.56
Altitude
556613.57957114
Surface area
178873896544.56
Volume
3.1289833287016E+16
Height
302982.05641185