72542018 is an even 8-digits composite number following 72542017
and preceding 72542019 . In scientific notation, it is written as 7.2542018 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 36247216 positive integers (up to 72542018) that are relatively prime to 72542018.
72542018 has 8 divisors, whose sum is 108884412
The reverse of 72542018 is 81024527
Previous prime number is 1637
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
seventy-two million five hundred forty-two thousand eighteen
Scientific notation
7.2542018 × 10^7
Engineering notation
7.2542018 × 10^6
Prime Factorization
2 × 1637 × 22157
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72542018
Product of the distinct prime numbers
The prime factorization of 72542018 is 2 × 1637 × 22157.
Since it has a total of 3 prime factors.
7 , 2 , 53 , 35 , 447 , 917 , 7057 , 6162 , 38406 , 47198 , 561738 , 234824 , 3534571 , 8179477 , 91683880 , 24030684 , 548652289 , 607716957 , 9267949605 , 1779885278
n×2
145084036
n×3
217626054
n×4
290168072
n×5
362710090
n÷2
36271009
n÷3
24180672.666667
n÷3
18135504.5
n÷5
14508403.6
n2
5262344375512324
n3
3.8174108041061E+23
n4
2.7692268326486E+31
n5
2.0088530274008E+39
2 √n
8517.160207487
3 √n
417.05808452359
4 √n
92.28846194128
5 √n
37.335152238462
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
-72542017
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 72542018 can be divided by 8 positive divisors.
The sum of these divisors (counting 72542018) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010100101110011101000010
3
Ternary
12001111111221102
4
Quaternary
10110232131002
5
Quinary
122032321033
6
Senary
11110454402
8
Octal
424563502
10
Decimal
72542018
12
Duodecimal
20364402
16
Hexadecimal
452e742
20
Vigesimal
12d7f0i
36
Base36
176ts2
md5
56c4b33cf2a0c54f7d1575e17b473c85
sha1
3445cb438ae77edb45906e7f30156af68bb4976b
sha256
8e3496b50034061bb2e2ed240912aa6a261d425d96dc80ea408c31e9e41f7f9a
sha512
4439775acdeded3b6ab46d1651d0a1b6350135599b553eddc8ca8a7bb008fe8ca229a40cba7cb4af51c00ddd507ec04a580474d949d76be83c04c27259a2c824
ripemd-160
f3cae549a32ab18701a9504601f4f0883eb290b6
Diameter
145084036
Circumference
455794941.65076
Area
1.6532142430769E+16
Volume
1.5990332983886E+24
Surface area
6.6128569723076E+16
Circumference
455794941.65076
Perimeter
290168072
Area
5262344375512324
Diagonal
102589905.69751
Surface area
31574066253073944
Volume
3.8174108041061E+23
Space diagonal
125646460.85958
Perimeter
217626054
Area
2.2786619563279E+15
Altitude
62823230.429788
Surface area
2.2786619563279E+15
Volume
4.4988617769304E+22
Height
34196635.232504