72561520 is an even 8-digits composite number following 72561519
and preceding 72561521 . In scientific notation, it is written as 7.2561520 × 10^7.
The sum of its digits is 28. It has a total of 6 prime factors and 20 positive divisors.
There are 29024576 positive integers (up to 72561520) that are relatively prime to 72561520.
72561520 has 20 divisors, whose sum is 168705720
The reverse of 72561520 is 02516527
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
seventy-two million five hundred sixty-one thousand five hundred twenty
Scientific notation
7.2561520 × 10^7
Engineering notation
7.2561520 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 907019
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
9070190
Product of the distinct prime numbers
The prime factorization of 72561520 is 2 × 2 × 2 × 2 × 5 × 907019.
Since it has a total of 6 prime factors.
1 , 9 , 96 , 87 , 170 , 648 , 2178 , 7142 , 10982 , 97459 , 168020 , 157084 , 3463527 , 9297518 , 77966166 , 69404339 , 219679435 , 1162686 , 2251415297 , 9881065597
n×2
145123040
n×3
217684560
n×4
290246080
n×5
362807600
n÷2
36280760
n÷3
24187173.333333
n÷3
18140380
n÷5
14512304
n2
5265174184710400
n3
3.8204904190735E+23
n4
2.7722059195341E+31
n5
2.0115547527439E+39
2 √n
8518.3049957136
3 √n
417.09545476425
4 √n
92.294663961215
5 √n
37.337159438908
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 907019 , 1814038 , 3628076 , 4535095 , 7256152 , 9070190 , 14512304 , 18140380 , 36280760 , 72561520
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
-72561519
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 72561520 can be divided by 20 positive divisors.
The sum of these divisors (counting 72561520) is 1, the average is 0.05.
Base
System
Value
2
Binary
100010100110011001101110000
3
Ternary
12001112111200201
4
Quaternary
10110303031300
5
Quinary
122033432040
6
Senary
11111124544
8
Octal
424631560
10
Decimal
72561520
12
Duodecimal
20373754
16
Hexadecimal
4533370
20
Vigesimal
12da3g0
36
Base36
1778ts
md5
53112cb88dbb7020a0f4eaf1a4023ed7
sha1
38ed17e1dc5cc7a152d05a538a2ea2d6f6393883
sha256
9731439899f1b80f07d43050b6618637893a9723ac1d6518706823788b585570
sha512
9d7be80b247ab0031467466a64f231747a748bc1df645d19a534c51329ddbae3f29b9408a801a977eee7e5e29249f47c91ac10747a3573dd3f633aa6e1aa6da8
ripemd-160
4d058b5d63d70151fb1eea81b8c96f6d0bd862b5
Diameter
145123040
Circumference
455917476.33062
Area
1.6541032538557E+16
Volume
1.6003232844895E+24
Surface area
6.6164130154227E+16
Circumference
455917476.33062
Perimeter
290246080
Area
5265174184710400
Diagonal
102617485.69041
Surface area
31591045108262400
Volume
3.8204904190735E+23
Space diagonal
125680239.31443
Perimeter
217684560
Area
2.2798872996546E+15
Altitude
62840119.657213
Surface area
2.2798872996546E+15
Volume
4.5024911379751E+22
Height
34205828.563469