81242022 is an even 8-digits composite number following 81242021
and preceding 81242023 . In scientific notation, it is written as 8.1242022 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 26958792 positive integers (up to 81242022) that are relatively prime to 81242022.
81242022 has 16 divisors, whose sum is 163215360
The reverse of 81242022 is 22024218
Previous prime number is 223
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
eighty-one million two hundred forty-two thousand twenty-two
Scientific notation
8.1242022 × 10^7
Engineering notation
8.1242022 × 10^6
Prime Factorization
2 × 3 × 223 × 60719
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81242022
Product of the distinct prime numbers
The prime factorization of 81242022 is 2 × 3 × 223 × 60719.
Since it has a total of 4 prime factors.
9 , 5 , 93 , 59 , 692 , 533 , 8909 , 9014 , 41908 , 24375 , 823323 , 331459 , 3862997 , 5732807 , 14277923 , 27732222 , 985877132 , 810292449 , 5491426685 , 7920501777
n×2
162484044
n×3
243726066
n×4
324968088
n×5
406210110
n÷2
40621011
n÷3
27080674
n÷3
20310505.5
n÷5
16248404.4
n2
6600266138648484
n3
5.3621896684194E+23
n4
4.356351310099E+31
n5
3.5391878897479E+39
2 √n
9013.4356379796
3 √n
433.10537609242
4 √n
94.93911542657
5 √n
38.190570390216
1 , 2 , 3 , 6 , 223 , 446 , 669 , 1338 , 60719 , 121438 , 182157 , 364314 , 13540337 , 27080674 , 40621011 , 81242022
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
-81242021
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 81242022 can be divided by 16 positive divisors.
The sum of these divisors (counting 81242022) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101111010011110100110
3
Ternary
12122212112002210
4
Quaternary
10311322132212
5
Quinary
131244221042
6
Senary
12021144250
8
Octal
465723646
10
Decimal
81242022
12
Duodecimal
2325b086
16
Hexadecimal
4d7a7a6
20
Vigesimal
157f512
36
Base36
1cdaqu
md5
e7675cdf946d0e3c073f3207f8d82287
sha1
f733fad8f8f028285a1eb3d19e772dde556418f4
sha256
f4f2d2b7c63645fa76198a53f163b3089b3438e3251fad9b298b5a12fe9d8942
sha512
c0f0f815a2e48d0f49ced21aee6d820fdf28459b36499864f138826132542dbd45a243735e4bc1476cef1b5f285ea663a9b989a1ea18821081ebe752a92eab24
ripemd-160
be4fe975454a3e7eb7598458894648e7af9dca63
Diameter
162484044
Circumference
510458678.95596
Area
2.0735347612916E+16
Volume
2.2461087559282E+24
Surface area
8.2941390451662E+16
Circumference
510458678.95596
Perimeter
324968088
Area
6600266138648484
Diagonal
114893569.34701
Surface area
39601596831890904
Volume
5.3621896684194E+23
Space diagonal
140715309.81363
Perimeter
243726066
Area
2.8579990739039E+15
Altitude
70357654.906814
Surface area
2.8579990739039E+15
Volume
6.3194011275796E+22
Height
38297856.449004