81238052 is an even 8-digits composite number following 81238051
and preceding 81238053 . In scientific notation, it is written as 8.1238052 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 34816296 positive integers (up to 81238052) that are relatively prime to 81238052.
81238052 has 12 divisors, whose sum is 162476160
The reverse of 81238052 is 25083218
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
eighty-one million two hundred thirty-eight thousand fifty-two
Scientific notation
8.1238052 × 10^7
Engineering notation
8.1238052 × 10^6
Prime Factorization
2 × 2 × 7 × 2901359
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40619026
Product of the distinct prime numbers
The prime factorization of 81238052 is 2 × 2 × 7 × 2901359.
Since it has a total of 4 prime factors.
10 , 6 , 14 , 39 , 525 , 475 , 8678 , 468 , 37221 , 28500 , 819239 , 457198 , 8882776 , 6887595 , 50644441 , 73898697 , 241092380 , 114250715 , 5774215590 , 2004050017
n×2
162476104
n×3
243714156
n×4
324952208
n×5
406190260
n÷2
40619026
n÷3
27079350.666667
n÷3
20309513
n÷5
16247610.4
n2
6599621092754704
n3
5.361403615135E+23
n4
4.3554998567933E+31
n5
3.5383232385216E+39
2 √n
9013.2154084988
3 √n
433.0983212198
4 √n
94.937955573621
5 √n
38.190197136266
1 , 2 , 4 , 7 , 14 , 28 , 2901359 , 5802718 , 11605436 , 20309513 , 40619026 , 81238052
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
-81238051
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 81238052 can be divided by 12 positive divisors.
The sum of these divisors (counting 81238052) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110101111001100000100100
3
Ternary
12122212022122202
4
Quaternary
10311321200210
5
Quinary
131244104202
6
Senary
12021114032
8
Octal
465714044
10
Decimal
81238052
12
Duodecimal
23258918
16
Hexadecimal
4d79824
20
Vigesimal
157ef2c
36
Base36
1cd7ok
md5
ae7359842f969d325f9ec5f24db86a50
sha1
a5a3aac3c6caa2a2e093c02a340884256f9aff98
sha256
ca5edef679f9c90b78e13b721cdb565df2d4135bf92dc453f41552fcf2df5b2c
sha512
de8aa218d3bc3a052c4a43d86b30bdb4a2a1f22c6f1efda9ae22181dfdce2845e8350c43d235f31c26a0098c215cb3ee6821390397b213d928f4bc4d866caaf7
ripemd-160
fd8da4e830079abc299b210adfc836c656e495b9
Diameter
162476104
Circumference
510433734.71029
Area
2.0733321141474E+16
Volume
2.2457794946984E+24
Surface area
8.2933284565898E+16
Circumference
510433734.71029
Perimeter
324952208
Area
6599621092754704
Diagonal
114887954.91917
Surface area
39597726556528224
Volume
5.361403615135E+23
Space diagonal
140708433.57192
Perimeter
243714156
Area
2.8577197608386E+15
Altitude
70354216.785961
Surface area
2.8577197608386E+15
Volume
6.3184747549001E+22
Height
38295984.973057