7942389 is an odd 7-digits composite number following 7942388
and preceding 7942390 . In scientific notation, it is written as 7.942389 × 10^6.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 4093632 positive integers (up to 7942389) that are relatively prime to 7942389.
7942389 has 16 divisors, whose sum is 9166080
The reverse of 7942389 is 9832497
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 42
Digital Root 6
Name
seven million nine hundred forty-two thousand three hundred eighty-nine
Scientific notation
7.942389 × 10^6
Engineering notation
7.942389 × 10^6
Prime Factorization
21 × 13 × 47 × 619
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
7942389
Product of the distinct prime numbers
The prime factorization of 7942389 is 21 × 13 × 47 × 619.
Since it has a total of 4 prime factors.
5 , 5 , 88 , 61 , 372 , 303 , 457 , 8706 , 91680 , 9345 , 322333 , 339003 , 9619571 , 1359054 , 12182693 , 10184399 , 292161391 , 473405063 , 3126032272 , 6065784325
n×2
15884778
n×3
23827167
n×4
31769556
n×5
39711945
n÷2
3971194.5
n÷3
2647463
n÷3
1985597.25
n÷5
1588477.8
n2
63081543027321
n3
5.0101815344322E+20
n4
3.9792810707078E+27
n5
3.1604998203897E+34
2 √n
2818.2244410267
3 √n
199.5187512604
4 √n
53.086951702152
5 √n
23.987789592811
1 , 13 , 21 , 47 , 273 , 611 , 619 , 987 , 8047 , 12831 , 12999 , 29093 , 168987 , 378209 , 610953 , 7942389
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-7942388
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7942389 can be divided by 16 positive divisors.
The sum of these divisors (counting 7942389) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11110010011000011110101
3
Ternary
112221111220120
4
Quaternary
132103003311
5
Quinary
4013124024
6
Senary
442122153
8
Octal
36230365
10
Decimal
7942389
12
Duodecimal
27b0359
16
Hexadecimal
7930f5
20
Vigesimal
29cfj9
36
Base36
4q8dx
md5
d96f434676758a9ef9e15ffbffa48d90
sha1
e9eb15159395848b3bc7c5691645ebb298f8fd28
sha256
9e1ab4abd94d481c264e6d75e1a733df234e6803c3c19cfc4d0c51c987eb1bc8
sha512
b837f9972dc341a53bb794e47125f09ca59dc6fef5f3f7da5095c42edbacb7c60c6b0974b41291e667f8a28a2752e3d1ae046422db139c4017faf89781732f26
ripemd-160
f317f354bfa4ac0d6bd09cc66191757b2a298e3d
Diameter
15884778
Circumference
49903501.868705
Area
1.9817651215174E+14
Volume
2.0986599335631E+21
Surface area
7.9270604860696E+14
Circumference
49903501.868705
Perimeter
31769556
Area
63081543027321
Diagonal
11232234.241443
Surface area
378489258163926
Volume
5.0101815344322E+20
Space diagonal
13756621.281476
Perimeter
23827167
Area
27315109385791
Altitude
6878310.6407381
Surface area
27315109385791
Volume
5.9045555632877E+19
Height
3744078.080481