81028052 is an even 8-digits composite number following 81028051
and preceding 81028053 . In scientific notation, it is written as 8.1028052 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors.
There are 32683392 positive integers (up to 81028052) that are relatively prime to 81028052.
81028052 has 12 divisors, whose sum is 142991520
The reverse of 81028052 is 25082018
Previous prime number is 119
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
eighty-one million twenty-eight thousand fifty-two
Scientific notation
8.1028052 × 10^7
Engineering notation
8.1028052 × 10^6
Prime Factorization
2 × 2 × 119 × 170227
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40514026
Product of the distinct prime numbers
The prime factorization of 81028052 is 2 × 2 × 119 × 170227.
Since it has a total of 4 prime factors.
4 , 7 , 58 , 45 , 433 , 191 , 9811 , 2527 , 84687 , 65379 , 529925 , 12218 , 9256737 , 557734 , 58428881 , 51128809 , 108472596 , 266541785 , 1080946126 , 3507294701
n×2
162056104
n×3
243084156
n×4
324112208
n×5
405140260
n÷2
40514026
n÷3
27009350.666667
n÷3
20257013
n÷5
16205610.4
n2
6565545210914704
n3
5.3199333875835E+23
n4
4.3106383916565E+31
n5
3.4928263175234E+39
2 √n
9001.5583095373
3 √n
432.72481345687
4 √n
94.876542461966
5 √n
38.170432391319
1 , 2 , 4 , 119 , 238 , 476 , 170227 , 340454 , 680908 , 20257013 , 40514026 , 81028052
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81028051
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81028052 can be divided by 12 positive divisors.
The sum of these divisors (counting 81028052) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110101000110001111010100
3
Ternary
12122110122120222
4
Quaternary
10311012033110
5
Quinary
131220344202
6
Senary
12012413512
8
Octal
465061724
10
Decimal
81028052
12
Duodecimal
23177298
16
Hexadecimal
4d463d4
20
Vigesimal
1568a2c
36
Base36
1c8pn8
md5
3e91a3ad8e25ee14bca40f5379ac8169
sha1
9ed91a8ef6709b7f17a70df9c0014d2fd96fa831
sha256
99b5c560b169eb1d6b35b07c91c9a5cf4acb837c5143f27841ebc210278a8587
sha512
4f3370b8598bf2c3b5d52bd418c455a53b0230aa16f772aac1f3d475705817597859c1aab2381047f534ac62a964358520aa5aedc9ef0c65584e21bc4956d9d7
ripemd-160
596181fdc0541e7c04393696d8027a2854cbb1de
Diameter
162056104
Circumference
509114265.79578
Area
2.0626268601421E+16
Volume
2.2284084864026E+24
Surface area
8.2505074405685E+16
Circumference
509114265.79578
Perimeter
324112208
Area
6565545210914704
Diagonal
114590970.07107
Surface area
39393271265488224
Volume
5.3199333875835E+23
Space diagonal
140344702.90233
Perimeter
243084156
Area
2.8429644711737E+15
Altitude
70172351.451166
Surface area
2.8429644711737E+15
Volume
6.269601623035E+22
Height
38196990.023691