72187856 is an even 8-digits composite number following 72187855
and preceding 72187857 . In scientific notation, it is written as 7.2187856 × 10^7.
The sum of its digits is 44. It has a total of 6 prime factors and 20 positive divisors.
There are 33317376 positive integers (up to 72187856) that are relatively prime to 72187856.
72187856 has 20 divisors, whose sum is 150623172
The reverse of 72187856 is 65878127
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
seventy-two million one hundred eighty-seven thousand eight hundred fifty-six
Scientific notation
7.2187856 × 10^7
Engineering notation
7.2187856 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 13 × 347057
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
9023482
Product of the distinct prime numbers
The prime factorization of 72187856 is 2 × 2 × 2 × 2 × 13 × 347057.
Since it has a total of 6 prime factors.
1 , 1 , 48 , 55 , 877 , 412 , 799 , 5704 , 68063 , 70733 , 666641 , 184546 , 380331 , 4739930 , 77091156 , 20915930 , 151576941 , 505857394 , 3107459161 , 9037111116
n×2
144375712
n×3
216563568
n×4
288751424
n×5
360939280
n÷2
36093928
n÷3
24062618.666667
n÷3
18046964
n÷5
14437571.2
n2
5211086553876736
n3
3.7617716575479E+23
n4
2.7155423071995E+31
n5
1.9602917703402E+39
2 √n
8496.3436841973
3 √n
416.37826171804
4 √n
92.175613283543
5 √n
37.2986255727
1 , 2 , 4 , 8 , 13 , 16 , 26 , 52 , 104 , 208 , 347057 , 694114 , 1388228 , 2776456 , 4511741 , 5552912 , 9023482 , 18046964 , 36093928 , 72187856
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72187855
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72187856 can be divided by 20 positive divisors.
The sum of these divisors (counting 72187856) is 1, the average is 0.05.
Base
System
Value
2
Binary
100010011010111111111010000
3
Ternary
12000211112010022
4
Quaternary
10103113333100
5
Quinary
121440002411
6
Senary
11055123012
8
Octal
423277720
10
Decimal
72187856
12
Duodecimal
20213468
16
Hexadecimal
44d7fd0
20
Vigesimal
12b39cg
36
Base36
16z8i8
md5
f523d7da037f14a90a27949a5f94bc72
sha1
23339e01b5768b589b874efa4f39ee5e0ea6bcd6
sha256
56df5c3d65e8bd2fe260017cabf0e1d610a95a6aabe61a7f442a403c0140fee9
sha512
b4400704c26388ebdd85a8bdfd56424ed69b8dda0d7f0b8ddfa3a07c003fe7b5511e20430b60a633f71681230344df1deb8e024d70841a24ebc48e79ecc79c1a
ripemd-160
ce2d0cb063bcfaef616ee655d7cc2602716c4a15
Diameter
144375712
Circumference
453569676.176
Area
1.637111123488E+16
Volume
1.575727227178E+24
Surface area
6.5484444939519E+16
Circumference
453569676.176
Perimeter
288751424
Area
5211086553876736
Diagonal
102089044.99384
Surface area
31266519323260416
Volume
3.7617716575479E+23
Space diagonal
125033034.28147
Perimeter
216563568
Area
2.2564666684884E+15
Altitude
62516517.140733
Surface area
2.2564666684884E+15
Volume
4.4332904138791E+22
Height
34029681.664612