72187468 is an even 8-digits composite number following 72187467
and preceding 72187469 . In scientific notation, it is written as 7.2187468 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors.
There are 34929360 positive integers (up to 72187468) that are relatively prime to 72187468.
72187468 has 12 divisors, whose sum is 130403392
The reverse of 72187468 is 86478127
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
seventy-two million one hundred eighty-seven thousand four hundred sixty-eight
Scientific notation
7.2187468 × 10^7
Engineering notation
7.2187468 × 10^6
Prime Factorization
2 × 2 × 31 × 582157
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
36093734
Product of the distinct prime numbers
The prime factorization of 72187468 is 2 × 2 × 31 × 582157.
Since it has a total of 4 prime factors.
5 , 1 , 80 , 30 , 563 , 871 , 8594 , 7815 , 47133 , 7644 , 986650 , 659990 , 5532896 , 4254978 , 95673190 , 65048161 , 308808322 , 335047126 , 709991942 , 3506215097
n×2
144374936
n×3
216562404
n×4
288749872
n×5
360937340
n÷2
36093734
n÷3
24062489.333333
n÷3
18046867
n÷5
14437493.6
n2
5211030536251024
n3
3.7617110008264E+23
n4
2.7154839249741E+31
n5
1.9602390893858E+39
2 √n
8496.3208508154
3 √n
416.37751572435
4 √n
92.175489425418
5 √n
37.298585477597
1 , 2 , 4 , 31 , 62 , 124 , 582157 , 1164314 , 2328628 , 18046867 , 36093734 , 72187468
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72187467
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72187468 can be divided by 12 positive divisors.
The sum of these divisors (counting 72187468) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100010011010111111001001100
3
Ternary
12000211111120221
4
Quaternary
10103113321030
5
Quinary
121434444333
6
Senary
11055121124
8
Octal
423277114
10
Decimal
72187468
12
Duodecimal
202131a4
16
Hexadecimal
44d7e4c
20
Vigesimal
12b38d8
36
Base36
16z87g
md5
84e9c52b97f8c3419f91f6c42fd799af
sha1
25e1380fc7708aa3f969115ea4212c8905d4a04d
sha256
5619b55aee321590db9956f8ccfbd569a1a02ad7da20c24d46b55c3f441b0978
sha512
87fbcba4d5238f8ea1554baa1834c1b8bfbde22ec5013f94a6a305774b677729a979f546a3f60ac29d4a4c0c8e020c90da33048579c35f8bcd71094550b0eb67
ripemd-160
a6360bb4eb20b30781360b553be7260fe21b7144
Diameter
144374936
Circumference
453567238.3001
Area
1.6370935250318E+16
Volume
1.5757018193499E+24
Surface area
6.5483741001273E+16
Circumference
453567238.3001
Perimeter
288749872
Area
5211030536251024
Diagonal
102088496.27897
Surface area
31266183217506144
Volume
3.7617110008264E+23
Space diagonal
125032362.24575
Perimeter
216562404
Area
2.2564424121449E+15
Altitude
62516181.122876
Surface area
2.2564424121449E+15
Volume
4.4332189292473E+22
Height
34029498.759658