72355981 is an odd 8-digits prime number following 72355980
and preceding 72355982 . In scientific notation, it is written as 7.2355981 × 10^7.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 72355980 positive integers (up to 72355981) that are relatively prime to 72355981.
72355981 has 2 divisors, whose sum is 72355982
The reverse of 72355981 is 18955327
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 40 Digital Root 4
Name
seventy-two million three hundred fifty-five thousand nine hundred eighty-one
Scientific notation
7.2355981 × 10^7
Engineering notation
7.2355981 × 10^6
Prime Factorization
72355981
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
72355981 Product of the distinct prime numbers
The prime factorization of 72355981 is 72355981.
Since it has a total of 1 prime factors.
8 , 10 , 93 , 71 , 253 , 968 , 1053 , 9171 , 70588 , 76973 , 423910 , 661117 , 772141 , 2342060 , 89036314 , 10486353 , 631908787 , 156748624 , 5384585046 , 7882394636
n×2
144711962
n×3
217067943
n×4
289423924
n×5
361779905
n÷2
36177990.5
n÷3
24118660.333333
n÷3
18088995.25
n÷5
14471196.2
n2
5235387986472361
n3
3.7881163367682E+23
n4
2.7409287368899E+31
n5
1.9832258760876E+39
2 √n8506.2318919719
3 √n416.70125842588
4 √n92.229235559945
5 √n37.315983056447
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
72355982 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
36177991 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
8506.2319507523 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999723589 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72355981 can be divided by 2 positive divisors.
The sum of these divisors (counting 72355981) is 72355982, the average is 36177991.
Base
System
Value
2
Binary
100010100000001000010001101
3
Ternary
12001011001202011
4
Quaternary
10110001002031
5
Quinary
122010342411
6
Senary
11102501221
8
Octal
424010215
10
Decimal
72355981
12
Duodecimal
20294811
16
Hexadecimal
450108d
20
Vigesimal
12c49j1
36
Base36
172u8d
md5
53c2600d65b64b8ede4b86ad76d7e5c3
sha1
0c1759c653a7dd4feb66cf5a90e2ccafe6f4532d
sha256
cda6763be5f6491ad39a89511b70a36b32f76c6f953b6dea8f35f188738c2f0e
sha512
8729c7bd228ccc044aed2926c77d89809ab5e2db876babf9e78e6fa21796d873c9b108ddc2f1bab2fb712a15eee09cad65fc08a0fc531e519bc0ee4ddba44cb3
ripemd-160
1f9d540486b589b0f02556f0db1df04a65a65040
Diameter
144711962
Circumference
454626036.70577
Area
1.6447456436994E+16
Volume
1.5867624606046E+24
Surface area
6.5789825747975E+16
Circumference
454626036.70577
Perimeter
289423924
Area
5235387986472361
Diagonal
102326809.64901
Surface area
31412327918834166
Volume
3.7881163367682E+23
Space diagonal
125324235.32349
Perimeter
217067943
Area
2.2669894974765E+15
Altitude
62662117.661744
Surface area
2.2669894974765E+15
Volume
4.4643379160873E+22
Height
34108936.54967