72180894 is an even 8-digits composite number following 72180893
and preceding 72180895 . In scientific notation, it is written as 7.2180894 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 24060296 positive integers (up to 72180894) that are relatively prime to 72180894.
72180894 has 8 divisors, whose sum is 144361800
The reverse of 72180894 is 49808127
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-two million one hundred eighty thousand eight hundred ninety-four
Scientific notation
7.2180894 × 10^7
Engineering notation
7.2180894 × 10^6
Prime Factorization
2 × 3 × 12030149
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72180894
Product of the distinct prime numbers
The prime factorization of 72180894 is 2 × 3 × 12030149.
Since it has a total of 3 prime factors.
4 , 8 , 7 , 73 , 145 , 964 , 8447 , 8237 , 94120 , 7651 , 234322 , 579303 , 8173093 , 237287 , 93849079 , 35180104 , 172145462 , 454011974 , 1748087517 , 4670992973
n×2
144361788
n×3
216542682
n×4
288723576
n×5
360904470
n÷2
36090447
n÷3
24060298
n÷3
18045223.5
n÷5
14436178.8
n2
5210081458639236
n3
3.760683374974E+23
n4
2.7144948805656E+31
n5
1.9593466723765E+39
2 √n
8495.93396867
3 √n
416.3648757239
4 √n
92.173390784271
5 √n
37.29790610806
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
-72180893
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 72180894 can be divided by 8 positive divisors.
The sum of these divisors (counting 72180894) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010011010110010010011110
3
Ternary
12000211011120110
4
Quaternary
10103112102132
5
Quinary
121434242034
6
Senary
11055030450
8
Octal
423262236
10
Decimal
72180894
12
Duodecimal
2020b426
16
Hexadecimal
44d649e
20
Vigesimal
12b2c4e
36
Base36
16z34u
md5
d95e4da53ddb6a2ef0614d3b1b7a277a
sha1
9390b983860a7a1e001c03748b68f355c2f4946f
sha256
21c3af91020f52dc491fb92f7576776b2c9ec11bd726af6f70e810191040430d
sha512
650f37f1da84fd07929157b701d7c8a4a59501f7f8096ae4be37b5daf157a713fab8207f0e46b9623efc6993b008387585864e91c6c56abda90a69687286ae93
ripemd-160
75f052b7121eb747a438544d143e588e966695be
Diameter
144361788
Circumference
453525932.63989
Area
1.6367953635065E+16
Volume
1.5752713684394E+24
Surface area
6.5471814540262E+16
Circumference
453525932.63989
Perimeter
288723576
Area
5210081458639236
Diagonal
102079199.23901
Surface area
31260488751835416
Volume
3.760683374974E+23
Space diagonal
125020975.74374
Perimeter
216542682
Area
2.2560314494839E+15
Altitude
62510487.871872
Surface area
2.2560314494839E+15
Volume
4.4320078605661E+22
Height
34026399.746338