642969 is an odd 6-digits composite number following 642968
and preceding 642970 . In scientific notation, it is written as 6.42969 × 10^5.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 425304 positive integers (up to 642969) that are relatively prime to 642969.
642969 has 8 divisors, whose sum is 720000
The reverse of 642969 is 969246
Previous prime number is 359
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 36
Digital Root 9
Name
six hundred forty-two thousand nine hundred sixty-nine
Scientific notation
6.42969 × 10^5
Engineering notation
6.42969 × 10^3
Prime Factorization
9 × 359 × 199
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
642969
Product of the distinct prime numbers
The prime factorization of 642969 is 9 × 359 × 199.
Since it has a total of 3 prime factors.
8 , 2 , 34 , 21 , 102 , 217 , 4983 , 5649 , 3895 , 65097 , 487095 , 945802 , 2413254 , 5890782 , 89671575 , 10624468 , 208177372 , 250266469 , 5686415177 , 6325150752
n×2
1285938
n×3
1928907
n×4
2571876
n×5
3214845
n÷2
321484.5
n÷3
214323
n÷3
160742.25
n÷5
128593.8
n2
413409134961
n3
265809258096739209
n4
1.709071128692E+23
n5
1.098879754544E+29
2 √n
801.85347788733
3 √n
86.310442824784
4 √n
28.317017461013
5 √n
14.50901757877
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
-642968
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 642969 can be divided by 8 positive divisors.
The sum of these divisors (counting 642969) is 1, the average is 0.125.
Base
System
Value
2
Binary
10011100111110011001
3
Ternary
1012122222200
4
Quaternary
2130332121
5
Quinary
131033334
6
Senary
21440413
8
Octal
2347631
10
Decimal
642969
12
Duodecimal
270109
16
Hexadecimal
9cf99
20
Vigesimal
40789
36
Base36
ds49
md5
d5a5b57af8ec7750b37dc0c28ca0c681
sha1
ce0f542272d760e657c4aeae038644696bef8865
sha256
398f96ab15d6425dddd538c03a2a539dfe4fe115fbaeeac269d0a1b6f994227d
sha512
4ba07ccf27e504facbcedb826fef7b73b65c83ff6c27da308e45738c38b2061d0825bde0df4aa70d364d17302e13a2f76e8bea811faead1d9f924a854b358613
ripemd-160
bb68fbe161c91126fdf23d090fdb6c9797f1d3f2
Diameter
1285938
Circumference
4039893.373772
Area
1298763101320.4
Volume
1.1134192166572E+18
Surface area
5195052405281.6
Circumference
4039893.373772
Perimeter
2571876
Area
413409134961
Diagonal
909295.47998547
Surface area
2480454809766
Volume
265809258096739209
Space diagonal
1113654.9756918
Perimeter
1928907
Area
179011406516.39
Altitude
556827.48784588
Surface area
179011406516.39
Volume
3.1325921483728E+16
Height
303098.49332849