72185628 is an even 8-digits composite number following 72185627
and preceding 72185629 . In scientific notation, it is written as 7.2185628 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors.
There are 24061872 positive integers (up to 72185628) that are relatively prime to 72185628.
72185628 has 12 divisors, whose sum is 168433160
The reverse of 72185628 is 82658127
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-five thousand six hundred twenty-eight
Scientific notation
7.2185628 × 10^7
Engineering notation
7.2185628 × 10^6
Prime Factorization
2 × 2 × 3 × 6015469
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
36092814
Product of the distinct prime numbers
The prime factorization of 72185628 is 2 × 2 × 3 × 6015469.
Since it has a total of 4 prime factors.
9 , 7 , 82 , 57 , 579 , 476 , 5786 , 3710 , 8000 , 16304 , 789751 , 725117 , 8369299 , 2052950 , 79067347 , 96713584 , 210968294 , 814208288 , 5789768885 , 3691495253
n×2
144371256
n×3
216556884
n×4
288742512
n×5
360928140
n÷2
36092814
n÷3
24061876
n÷3
18046407
n÷5
14437125.6
n2
5210764889754384
n3
3.7614233592727E+23
n4
2.7152070736297E+31
n5
1.9599892776E+39
2 √n
8496.2125679623
3 √n
416.37397798593
4 √n
92.174902050191
5 √n
37.298395333521
1 , 2 , 3 , 4 , 6 , 12 , 6015469 , 12030938 , 18046407 , 24061876 , 36092814 , 72185628
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
-72185627
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 72185628 can be divided by 12 positive divisors.
The sum of these divisors (counting 72185628) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100010011010111011100011100
3
Ternary
12000211102001210
4
Quaternary
10103113130130
5
Quinary
121434420003
6
Senary
11055104420
8
Octal
423273434
10
Decimal
72185628
12
Duodecimal
20212110
16
Hexadecimal
44d771c
20
Vigesimal
12b3418
36
Base36
16z6sc
md5
937bafff20390d553a7f960daea59818
sha1
5d6a20795b8df212818ee705325c012d82d452b3
sha256
0b30e638189524b509eab1dc4c98363a1f589a66c27dc0778bfe20123ac13367
sha512
711307852799429898668203db17884074b68b6a849a49dbfd7c1489f95c258b31b8eaf0de420f2b8ec171d10fc4d3ce985d1c75d64785b4c096644df115f756
ripemd-160
d9851fd8a116e774e2b4a89078e04ffa6439975d
Diameter
144371256
Circumference
453555677.23913
Area
1.6370100697236E+16
Volume
1.5755813323376E+24
Surface area
6.5480402788944E+16
Circumference
453555677.23913
Perimeter
288742512
Area
5210764889754384
Diagonal
102085894.12602
Surface area
31264589338526304
Volume
3.7614233592727E+23
Space diagonal
125029175.27227
Perimeter
216556884
Area
2.2563273838377E+15
Altitude
62514587.636133
Surface area
2.2563273838377E+15
Volume
4.4328799404254E+22
Height
34028631.37534