81572022 is an even 8-digits composite number following 81572021
and preceding 81572023 . In scientific notation, it is written as 8.1572022 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 23305968 positive integers (up to 81572022) that are relatively prime to 81572022.
81572022 has 16 divisors, whose sum is 138113280
The reverse of 81572022 is 22027518
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
eighty-one million five hundred seventy-two thousand twenty-two
Scientific notation
8.1572022 × 10^7
Engineering notation
8.1572022 × 10^6
Prime Factorization
2 × 63 × 9 × 71933
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81572022
Product of the distinct prime numbers
The prime factorization of 81572022 is 2 × 63 × 9 × 71933.
Since it has a total of 4 prime factors.
7 , 6 , 97 , 47 , 701 , 327 , 8820 , 5029 , 2981 , 63308 , 532192 , 929468 , 2934587 , 6143132 , 36623667 , 79402586 , 721996673 , 756026743 , 5689206785 , 8702867217
n×2
163144044
n×3
244716066
n×4
326288088
n×5
407860110
n÷2
40786011
n÷3
27190674
n÷3
20393005.5
n÷5
16314404.4
n2
6653994773168484
n3
5.4277980802478E+23
n4
4.4275646441354E+31
n5
3.6116540055783E+39
2 √n
9031.7230914151
3 √n
433.69099951307
4 √n
95.035378104236
5 √n
38.221545643727
1 , 2 , 9 , 18 , 63 , 126 , 567 , 1134 , 71933 , 143866 , 647397 , 1294794 , 4531779 , 9063558 , 40786011 , 81572022
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
-81572021
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 81572022 can be divided by 16 positive divisors.
The sum of these divisors (counting 81572022) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110111001011000010110110
3
Ternary
12200111021210000
4
Quaternary
10313023002312
5
Quinary
131340301042
6
Senary
12032212130
8
Octal
467130266
10
Decimal
81572022
12
Duodecimal
2339a046
16
Hexadecimal
4dcb0b6
20
Vigesimal
159ga12
36
Base36
1ckddi
md5
1f38e4e608e1451f2355ae7d3173ca75
sha1
31fda2838c0e5c32c5c733c178e7e154d031107a
sha256
27a14ea0a14c50955231301a9495b049736a1a0a140d96188efe4ebcaefac4ae
sha512
d9e79375c015c337bf1222acfe55da62070994ac989036b0d08f0c64ea55f7b69b178cc329b8ce8e610377ec9f7f90023845672d563e8349daa7cf0d01079b89
ripemd-160
57fdc71c573a191078fed7e73626132ef1d52f19
Diameter
163144044
Circumference
512532130.10733
Area
2.0904141096411E+16
Volume
2.2735907432101E+24
Surface area
8.3616564385644E+16
Circumference
512532130.10733
Perimeter
326288088
Area
6653994773168484
Diagonal
115360259.8226
Surface area
39923968639010904
Volume
5.4277980802478E+23
Space diagonal
141286886.58013
Perimeter
244716066
Area
2.8812642551064E+15
Altitude
70643443.290063
Surface area
2.8812642551064E+15
Volume
6.3967213824243E+22
Height
38453419.940865