72942389 is an odd 8-digits composite number following 72942388
and preceding 72942390 . In scientific notation, it is written as 7.2942389 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 67331424 positive integers (up to 72942389) that are relatively prime to 72942389.
72942389 has 4 divisors, whose sum is 78553356
The reverse of 72942389 is 98324927
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
seventy-two million nine hundred forty-two thousand three hundred eighty-nine
Scientific notation
7.2942389 × 10^7
Engineering notation
7.2942389 × 10^6
Prime Factorization
13 × 5610953
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
72942389
Product of the distinct prime numbers
The prime factorization of 72942389 is 13 × 5610953.
Since it has a total of 2 prime factors.
7 , 5 , 71 , 81 , 296 , 748 , 4637 , 9455 , 64684 , 1487 , 218245 , 496749 , 7363013 , 7564174 , 58929013 , 75662571 , 652774175 , 362085191 , 8946876218 , 1721911709
n×2
145884778
n×3
218827167
n×4
291769556
n×5
364711945
n÷2
36471194.5
n÷3
24314129.666667
n÷3
18235597.25
n÷5
14588477.8
n2
5320592113027321
n3
3.8809669961877E+23
n4
2.8308700433209E+31
n5
2.0649042390836E+39
2 √n
8540.6316511134
3 √n
417.82394736521
4 √n
92.415537931202
5 √n
37.376273292272
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72942388
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72942389 can be divided by 4 positive divisors.
The sum of these divisors (counting 72942389) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010110010000001100110101
3
Ternary
12002020212010222
4
Quaternary
10112100030311
5
Quinary
122133124024
6
Senary
11123224125
8
Octal
426201465
10
Decimal
72942389
12
Duodecimal
20518045
16
Hexadecimal
4590335
20
Vigesimal
12fhfj9
36
Base36
17feph
md5
2d565524ec6eeb9f56edeca48fda8b96
sha1
7e282f2d0fa481a0bc44c83dc4086eff62110b40
sha256
e28cf8b21dace1df8b9cf110ced6df5599bcc23c6aeb933ec82e2d22ee0d402a
sha512
a80dc74f791c41416500048d0c3823041f69d9f5b419efdf6de5409dca5efbe4ec9db8d7d27bf36df756bc28838262311651e20848ec86fa31fdd6cee4ecb329
ripemd-160
4856d7c4921acbf1f885fe4cd2b94ba0fdba70cf
Diameter
145884778
Circumference
458310546.83538
Area
1.6715133095034E+16
Volume
1.625655653873E+24
Surface area
6.6860532380138E+16
Circumference
458310546.83538
Perimeter
291769556
Area
5320592113027321
Diagonal
103156115.79569
Surface area
31923552678163926
Volume
3.8809669961877E+23
Space diagonal
126339923.77345
Perimeter
218827167
Area
2.3038839665284E+15
Altitude
63169961.886727
Surface area
2.3038839665284E+15
Volume
4.5737634676092E+22
Height
34385371.931898