72185816 is an even 8-digits composite number following 72185815
and preceding 72185817 . In scientific notation, it is written as 7.2185816 × 10^7.
The sum of its digits is 38. It has a total of 5 prime factors and 16 positive divisors.
There are 35117280 positive integers (up to 72185816) that are relatively prime to 72185816.
72185816 has 16 divisors, whose sum is 139007040
The reverse of 72185816 is 61858127
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-two million one hundred eighty-five thousand eight hundred sixteen
Scientific notation
7.2185816 × 10^7
Engineering notation
7.2185816 × 10^6
Prime Factorization
2 × 2 × 2 × 37 × 243871
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
18046454
Product of the distinct prime numbers
The prime factorization of 72185816 is 2 × 2 × 2 × 37 × 243871.
Since it has a total of 5 prime factors.
5 , 5 , 63 , 2 , 842 , 748 , 3554 , 1163 , 27133 , 48660 , 298848 , 11512 , 884127 , 9976016 , 75121268 , 47698551 , 737533990 , 134864644 , 9397070455 , 5590811013
n×2
144371632
n×3
216557448
n×4
288743264
n×5
360929080
n÷2
36092908
n÷3
24061938.666667
n÷3
18046454
n÷5
14437163.2
n2
5210792031585856
n3
3.7614527480632E+23
n4
2.7152353596439E+31
n5
1.9600148006795E+39
2 √n
8496.2236317084
3 √n
416.37433945326
4 √n
92.174962065131
5 √n
37.298414761463
1 , 2 , 4 , 8 , 37 , 74 , 148 , 296 , 243871 , 487742 , 975484 , 1950968 , 9023227 , 18046454 , 36092908 , 72185816
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
-72185815
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 72185816 can be divided by 16 positive divisors.
The sum of these divisors (counting 72185816) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010011010111011111011000
3
Ternary
12000211102022202
4
Quaternary
10103113133120
5
Quinary
121434421231
6
Senary
11055105332
8
Octal
423273730
10
Decimal
72185816
12
Duodecimal
20212248
16
Hexadecimal
44d77d8
20
Vigesimal
12b34ag
36
Base36
16z6xk
md5
683c3d0f15645be52f8b110ce768f9f9
sha1
8d86ef4a3b326da036448ed0fa77996472c14037
sha256
a25308ea90e7887ff0df1fd809ca6110b34e9a5c84d5ed9771a0f5a117d0f098
sha512
f75d6696c26381d3ac2199ef8ef0a69cfb014f6f2ba07842615565f12e22779f8142003cb4e29d4862759fb0f3d5f7a5e484c75295b5a6aa2756d968709c82b4
ripemd-160
cac571aab444b600e52e6adc5d3303c157213440
Diameter
144371632
Circumference
453556858.47797
Area
1.6370185965814E+16
Volume
1.5755936426854E+24
Surface area
6.5480743863257E+16
Circumference
453556858.47797
Perimeter
288743264
Area
5210792031585856
Diagonal
102086159.99817
Surface area
31264752189515136
Volume
3.7614527480632E+23
Space diagonal
125029500.89782
Perimeter
216557448
Area
2.2563391365954E+15
Altitude
62514750.448909
Surface area
2.2563391365954E+15
Volume
4.4329145754471E+22
Height
34028719.99939