1689942 is an even 7-digits composite number following 1689941
and preceding 1689943 . In scientific notation, it is written as 1.689942 × 10^6.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 555240 positive integers (up to 1689942) that are relatively prime to 1689942.
1689942 has 8 divisors, whose sum is 2547456
The reverse of 1689942 is 2499861
Previous prime number is 213
Is Prime? no
Number parity even
Number length 7
Sum of Digits 39
Digital Root 3
Name
one million six hundred eighty-nine thousand nine hundred forty-two
Scientific notation
1.689942 × 10^6
Engineering notation
1.689942 × 10^6
Prime Factorization
2 × 213 × 3967
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1689942
Product of the distinct prime numbers
The prime factorization of 1689942 is 2 × 213 × 3967.
Since it has a total of 3 prime factors.
2 , 4 , 44 , 40 , 736 , 331 , 8773 , 2762 , 25547 , 23254 , 959055 , 492386 , 9007363 , 7315917 , 97291949 , 97989788 , 316742602 , 146403541 , 4683961598 , 8306815970
n×2
3379884
n×3
5069826
n×4
6759768
n×5
8449710
n÷2
844971
n÷3
563314
n÷3
422485.5
n÷5
337988.4
n2
2855903963364
n3
4826312055655284888
n4
8.1561874479582E+24
n5
1.3783483728177E+31
2 √n
1299.9776921163
3 √n
119.11247986049
4 √n
36.055203398626
5 √n
17.602500280682
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
-1689941
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 1689942 can be divided by 8 positive divisors.
The sum of these divisors (counting 1689942) is 1, the average is 0.125.
Base
System
Value
2
Binary
110011100100101010110
3
Ternary
10011212011110
4
Quaternary
12130211112
5
Quinary
413034232
6
Senary
100115450
8
Octal
6344526
10
Decimal
1689942
12
Duodecimal
695b86
16
Hexadecimal
19c956
20
Vigesimal
ab4h2
36
Base36
107yu
md5
d39d9db3f37e89f47447e66bf100e26d
sha1
b6a72ca9d5013353ff14676b648748b90665e47e
sha256
9adbacbc29a7f7fd2388c6c75a7d7a3c1b8093e1a35462d48019cbbc08700c64
sha512
190c4e6553fb33c814c241cef457094795c51b2c210432d6fdf7f86812d97f40c1d7796a8334ad230ba701392a801083cd0c3a382e301ee615ca39749e9c0938
ripemd-160
9fffb9ead7b9233a5571055dc3e37e1e58588abd
Diameter
3379884
Circumference
10618218.744386
Area
8972086910662.3
Volume
2.0216408663971E+19
Surface area
35888347642649
Circumference
10618218.744386
Perimeter
6759768
Area
2855903963364
Diagonal
2389938.8960239
Surface area
17135423780184
Volume
4826312055655284888
Space diagonal
2927065.4058446
Perimeter
5069826
Area
1236642691520.9
Altitude
1463532.7029223
Surface area
1236642691520.9
Volume
5.6878633044604E+17
Height
796646.29867464