72051231 is an odd 8-digits composite number following 72051230
and preceding 72051232 . In scientific notation, it is written as 7.2051231 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 41172120 positive integers (up to 72051231) that are relatively prime to 72051231.
72051231 has 8 divisors, whose sum is 109792384
The reverse of 72051231 is 13215027
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
seventy-two million fifty-one thousand two hundred thirty-one
Scientific notation
7.2051231 × 10^7
Engineering notation
7.2051231 × 10^6
Prime Factorization
3 × 7 × 3431011
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72051231
Product of the distinct prime numbers
The prime factorization of 72051231 is 3 × 7 × 3431011.
Since it has a total of 3 prime factors.
2 , 6 , 15 , 51 , 331 , 354 , 6188 , 5675 , 40997 , 47783 , 160082 , 533496 , 3045304 , 7283124 , 78380727 , 98496357 , 62731687 , 308043570 , 6520669561 , 3239175608
n×2
144102462
n×3
216153693
n×4
288204924
n×5
360256155
n÷2
36025615.5
n÷3
24017077
n÷3
18012807.75
n÷5
14410246.2
n2
5191379888615361
n3
3.7404531156338E+23
n4
2.695042514792E+31
n5
1.941811307881E+39
2 √n
8488.2996530518
3 √n
416.11541230411
4 √n
92.131968681082
5 √n
37.284496362412
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
-72051230
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 72051231 can be divided by 8 positive divisors.
The sum of these divisors (counting 72051231) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010010110110101000011111
3
Ternary
12000120120201010
4
Quaternary
10102312220133
5
Quinary
121421114411
6
Senary
11052150303
8
Octal
422665037
10
Decimal
72051231
12
Duodecimal
20168393
16
Hexadecimal
44b6a1f
20
Vigesimal
12a681b
36
Base36
16wb33
md5
e59f7f90a48280947de41bdb034f1a2d
sha1
2379f54d727088f7f9cafe801fe8bc7c60f451f8
sha256
fadb17c2a122cea038a506a0d7700c28013087aa12b64e1ff3b4909e52bfb1c8
sha512
43416dfc7b9fa541c5bec6c6b5958ebb05c10be426435a15c146ec32b660d4a2fef91488ceaedd1c6534fb5e84d0bb58a181e7e5e0486adfb6e02d44089e30e9
ripemd-160
83591c3f5a70af51d0baeecd453c2b934bf13877
Diameter
144102462
Circumference
452711235.9834
Area
1.6309200920068E+16
Volume
1.566797337223E+24
Surface area
6.5236803680271E+16
Circumference
452711235.9834
Perimeter
288204924
Area
5191379888615361
Diagonal
101895828.06588
Surface area
31148279331692166
Volume
3.7404531156338E+23
Space diagonal
124796392.83988
Perimeter
216153693
Area
2.2479334321183E+15
Altitude
62398196.419941
Surface area
2.2479334321183E+15
Volume
4.4081662712917E+22
Height
33965276.021959