72185540 is an even 8-digits composite number following 72185539
and preceding 72185541 . In scientific notation, it is written as 7.2185540 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 24749280 positive integers (up to 72185540) that are relatively prime to 72185540.
72185540 has 12 divisors, whose sum is 129934224
The reverse of 72185540 is 04558127
Previous prime number is 35
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
seventy-two million one hundred eighty-five thousand five hundred forty
Scientific notation
7.2185540 × 10^7
Engineering notation
7.2185540 × 10^6
Prime Factorization
2 × 2 × 35 × 515611
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
36092770
Product of the distinct prime numbers
The prime factorization of 72185540 is 2 × 2 × 35 × 515611.
Since it has a total of 4 prime factors.
6 , 1 , 43 , 38 , 752 , 216 , 9852 , 9850 , 50135 , 8910 , 747482 , 517520 , 7887111 , 113164 , 60399654 , 9967548 , 649905773 , 941545388 , 3405038225 , 3370355109
n×2
144371080
n×3
216556620
n×4
288742160
n×5
360927700
n÷2
36092770
n÷3
24061846.666667
n÷3
18046385
n÷5
14437108
n2
5210752185091600
n3
3.7614096028702E+23
n4
2.7151938334437E+31
n5
1.959977330718E+39
2 √n
8496.2073891825
3 √n
416.37380878823
4 √n
92.174873958051
5 √n
37.298386239577
1 , 2 , 4 , 35 , 70 , 140 , 515611 , 1031222 , 2062444 , 18046385 , 36092770 , 72185540
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
-72185539
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 72185540 can be divided by 12 positive divisors.
The sum of these divisors (counting 72185540) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100010011010111011011000100
3
Ternary
12000211101221112
4
Quaternary
10103113123010
5
Quinary
121434414130
6
Senary
11055104152
8
Octal
423273304
10
Decimal
72185540
12
Duodecimal
20212058
16
Hexadecimal
44d76c4
20
Vigesimal
12b33h0
36
Base36
16z6pw
md5
98977019dd1124152ca9aaf4b6668e08
sha1
6eea1738c4793b636da3130127823f9ef319fd4a
sha256
65ab12606910b98efe3f733ac66569b4cf338536f72792f45c82c7bffe0e519e
sha512
47b54788541234d6ce2de035f5de008023afc2f56aac0a23d6af32ba367790f1c5aadade6fd08a86632d0b1b8385a72491cd87444a53ad4079b23fb4c75984e2
ripemd-160
64e076118d84ec8e8aa90c6dbcf9ed3184482890
Diameter
144371080
Circumference
453555124.31882
Area
1.6370060784361E+16
Volume
1.5755755700692E+24
Surface area
6.5480243137443E+16
Circumference
453555124.31882
Perimeter
288742160
Area
5210752185091600
Diagonal
102085769.67523
Surface area
31264513110549600
Volume
3.7614096028702E+23
Space diagonal
125029022.8518
Perimeter
216556620
Area
2.2563218825573E+15
Altitude
62514511.425898
Surface area
2.2563218825573E+15
Volume
4.4328637283495E+22
Height
34028589.891742