72561409 is an odd 8-digits composite number following 72561408
and preceding 72561410 . In scientific notation, it is written as 7.2561409 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 71474832 positive integers (up to 72561409) that are relatively prime to 72561409.
72561409 has 8 divisors, whose sum is 73656000
The reverse of 72561409 is 90416527
Previous prime number is 179
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
seventy-two million five hundred sixty-one thousand four hundred nine
Scientific notation
7.2561409 × 10^7
Engineering notation
7.2561409 × 10^6
Prime Factorization
109 × 179 × 3719
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72561409
Product of the distinct prime numbers
The prime factorization of 72561409 is 109 × 179 × 3719.
Since it has a total of 3 prime factors.
2 , 5 , 46 , 59 , 543 , 799 , 886 , 2112 , 14550 , 95494 , 370115 , 31726 , 3287603 , 6698514 , 30911174 , 44928168 , 502101872 , 137475795 , 8452176616 , 8375934980
n×2
145122818
n×3
217684227
n×4
290245636
n×5
362807045
n÷2
36280704.5
n÷3
24187136.333333
n÷3
18140352.25
n÷5
14512281.8
n2
5265158076065281
n3
3.8204728860703E+23
n4
2.7721889565955E+31
n5
2.0115393670481E+39
2 √n
8518.2984803304
3 √n
417.09524208211
4 √n
92.294628664568
5 √n
37.337148015699
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72561408
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72561409 can be divided by 8 positive divisors.
The sum of these divisors (counting 72561409) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010100110011001100000001
3
Ternary
12001112111112121
4
Quaternary
10110303030001
5
Quinary
122033431114
6
Senary
11111124241
8
Octal
424631401
10
Decimal
72561409
12
Duodecimal
20373681
16
Hexadecimal
4533301
20
Vigesimal
12da3a9
36
Base36
1778qp
md5
e5c22029b8a025eb143e0dc3a90802cc
sha1
9a122a9cdcddf1d12aac7a5ec5659cf119f5fc94
sha256
53f020986d0ecdbc64191648194f4648223ad0c1817d7b58da3a339d7e85425b
sha512
976d75cc64026a61a0470834d0e6f4c6a1592171d82dacbee3b507ecd4e2b353788935a675233cded5c7abb79db478eea7f0b829d1637dfadf42d5e9541c6ea4
ripemd-160
ed035f8e9d8101de27abe777042ff3583831baf5
Diameter
145122818
Circumference
455916778.89705
Area
1.6540981931756E+16
Volume
1.6003159402823E+24
Surface area
6.6163927727023E+16
Circumference
455916778.89705
Perimeter
290245636
Area
5265158076065281
Diagonal
102617328.7127
Surface area
31590948456391686
Volume
3.8204728860703E+23
Space diagonal
125680047.05679
Perimeter
217684227
Area
2.2798803244067E+15
Altitude
62840023.528393
Surface area
2.2798803244067E+15
Volume
4.5024704751327E+22
Height
34205776.237567