72180621 is an odd 8-digits composite number following 72180620
and preceding 72180622 . In scientific notation, it is written as 7.2180621 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 6 positive divisors.
There are 48120408 positive integers (up to 72180621) that are relatively prime to 72180621.
72180621 has 6 divisors, whose sum is 104260910
The reverse of 72180621 is 12608127
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
seventy-two million one hundred eighty thousand six hundred twenty-one
Scientific notation
7.2180621 × 10^7
Engineering notation
7.2180621 × 10^6
Prime Factorization
3 × 3 × 8020069
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
24060207
Product of the distinct prime numbers
The prime factorization of 72180621 is 3 × 3 × 8020069.
Since it has a total of 3 prime factors.
8 , 6 , 51 , 4 , 625 , 307 , 922 , 4129 , 31439 , 59766 , 627811 , 149667 , 3551689 , 8875991 , 45931501 , 62900470 , 144678483 , 894730766 , 3444570962 , 3301130266
n×2
144361242
n×3
216541863
n×4
288722484
n×5
360903105
n÷2
36090310.5
n÷3
24060207
n÷3
18045155.25
n÷5
14436124.2
n2
5210042047945641
n3
3.7606407045683E+23
n4
2.7144538141362E+31
n5
1.9593096198017E+39
2 √n
8495.9179021457
3 √n
416.36435080311
4 √n
92.173303630421
5 √n
37.297877894656
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72180620
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72180621 can be divided by 6 positive divisors.
The sum of these divisors (counting 72180621) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
100010011010110001110001101
3
Ternary
12000211011012100
4
Quaternary
10103112032031
5
Quinary
121434234441
6
Senary
11055025313
8
Octal
423261615
10
Decimal
72180621
12
Duodecimal
2020b239
16
Hexadecimal
44d638d
20
Vigesimal
12b2bb1
36
Base36
16z2x9
md5
75dbab5ebb945ae026954dc52c18c3ed
sha1
177008bf1422b7b57c3a78be682887329693c4e6
sha256
0dfb8cfc0293430c312c1957bd8762ded1324da5e37e4c5279a729beedb6ca2c
sha512
0c1254b1426011ab52f86a55c2deae7eb076d776b3681855499f8e52a13f104979b62d77b6c98716f35e1f1678dd0a62b6f1131d65747d0c3a8cae494243007d
ripemd-160
cf86d4826a30bd23b32951e9521b427d73929d13
Diameter
144361242
Circumference
453524217.3303
Area
1.636782982272E+16
Volume
1.5752534947017E+24
Surface area
6.547131929088E+16
Circumference
453524217.3303
Perimeter
288722484
Area
5210042047945641
Diagonal
102078813.15871
Surface area
31260252287673846
Volume
3.7606407045683E+23
Space diagonal
125020502.89387
Perimeter
216541863
Area
2.256014384153E+15
Altitude
62510251.446937
Surface area
2.256014384153E+15
Volume
4.4319575730106E+22
Height
34026271.052904