81402022 is an even 8-digits composite number following 81402021
and preceding 81402023 . In scientific notation, it is written as 8.1402022 × 10^7.
The sum of its digits is 19. It has a total of 4 prime factors and 16 positive divisors.
There are 37524960 positive integers (up to 81402022) that are relatively prime to 81402022.
81402022 has 16 divisors, whose sum is 131653872
The reverse of 81402022 is 22020418
Previous prime number is 1237
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
eighty-one million four hundred two thousand twenty-two
Scientific notation
8.1402022 × 10^7
Engineering notation
8.1402022 × 10^6
Prime Factorization
2 × 13 × 1237 × 2531
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81402022
Product of the distinct prime numbers
The prime factorization of 81402022 is 2 × 13 × 1237 × 2531.
Since it has a total of 4 prime factors.
1 , 3 , 11 , 41 , 734 , 237 , 1851 , 119 , 56292 , 75508 , 843338 , 287787 , 2642244 , 1795875 , 64579037 , 75969055 , 836299096 , 572166819 , 7521423644 , 1315236740
n×2
162804044
n×3
244206066
n×4
325608088
n×5
407010110
n÷2
40701011
n÷3
27134007.333333
n÷3
20350505.5
n÷5
16280404.4
n2
6626289185688484
n3
5.3939333807178E+23
n4
4.3907708372372E+31
n5
3.5741762428974E+39
2 √n
9022.3069112062
3 √n
433.38951237453
4 √n
94.985824790893
5 √n
38.205601240342
1 , 2 , 13 , 26 , 1237 , 2474 , 2531 , 5062 , 16081 , 32162 , 32903 , 65806 , 3130847 , 6261694 , 40701011 , 81402022
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81402021
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81402022 can be divided by 16 positive divisors.
The sum of these divisors (counting 81402022) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110110100001100010100110
3
Ternary
12200011122120201
4
Quaternary
10312201202212
5
Quinary
131314331042
6
Senary
12024421114
8
Octal
466414246
10
Decimal
81402022
12
Duodecimal
2331779a
16
Hexadecimal
4da18a6
20
Vigesimal
158f512
36
Base36
1cgq7a
md5
a35e1eff84858f554129dccb1cf285a7
sha1
e5adeff1f9e1171c1d0ec0bbef9a879dea8d0fbd
sha256
dff34e725976eb74605c4cea1b8add886756e32e37dd58e72cc7c966e2bd92bb
sha512
5149fddca38a78d5557ee887703f49ced0fd958a1dfd774eca4d2bbd7058afdf70084278c2e3cff462d382a140e3e7dfb4881dcac6c40bfb727e7ced424528b3
ripemd-160
ace959eaaa5f765d259ca0fd29abc98ae505a234
Diameter
162804044
Circumference
511463988.60511
Area
2.081710142632E+16
Volume
2.2594055310421E+24
Surface area
8.3268405705282E+16
Circumference
511463988.60511
Perimeter
325608088
Area
6626289185688484
Diagonal
115119843.51699
Surface area
39757735114130904
Volume
5.3939333807178E+23
Space diagonal
140992437.94284
Perimeter
244206066
Area
2.8692673838142E+15
Altitude
70496218.97142
Surface area
2.8692673838142E+15
Volume
6.35681145129E+22
Height
38373281.172331