81054328 is an even 8-digits composite number following 81054327
and preceding 81054329 . In scientific notation, it is written as 8.1054328 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors.
There are 40499136 positive integers (up to 81054328) that are relatively prime to 81054328.
81054328 has 16 divisors, whose sum is 152082000
The reverse of 81054328 is 82345018
Previous prime number is 4969
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighty-one million fifty-four thousand three hundred twenty-eight
Scientific notation
8.1054328 × 10^7
Engineering notation
8.1054328 × 10^6
Prime Factorization
2 × 2 × 2 × 4969 × 2039
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20263582
Product of the distinct prime numbers
The prime factorization of 81054328 is 2 × 2 × 2 × 4969 × 2039.
Since it has a total of 5 prime factors.
9 , 6 , 56 , 20 , 666 , 881 , 5859 , 6346 , 29584 , 48487 , 956697 , 101153 , 2257772 , 6028054 , 40701563 , 42785654 , 30141992 , 627223370 , 4073369820 , 7975346891
n×2
162108656
n×3
243162984
n×4
324217312
n×5
405271640
n÷2
40527164
n÷3
27018109.333333
n÷3
20263582
n÷5
16210865.6
n2
6569804087531584
n3
5.3251105540653E+23
n4
4.3162325748547E+31
n5
3.4984933084656E+39
2 √n
9003.0177162994
3 √n
432.77158346667
4 √n
94.884233233448
5 √n
38.172907672865
1 , 2 , 4 , 8 , 2039 , 4078 , 4969 , 8156 , 9938 , 16312 , 19876 , 39752 , 10131791 , 20263582 , 40527164 , 81054328
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
-81054327
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 81054328 can be divided by 16 positive divisors.
The sum of these divisors (counting 81054328) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101001100101001111000
3
Ternary
12122111222122011
4
Quaternary
10311030221320
5
Quinary
131222214303
6
Senary
12013135304
8
Octal
465145170
10
Decimal
81054328
12
Duodecimal
2318a534
16
Hexadecimal
4d4ca78
20
Vigesimal
156bfg8
36
Base36
1c99x4
md5
be4e50fd1a3d91ae73e485cefe92b4ba
sha1
a43fc080e22d6fdb97c5ddef2604f139195fda86
sha256
ed65f89088b91ef924d8bed57bcfa3f1d96c50de34d46fbf625022c59440ba79
sha512
e10e504163ee4ba2e31168f98e7ee13174a678daf38f8c161e63b5e2f245e353faf177fc40b8fa949c0531c9d4bf5d7a608ce58d3f2e1ad24a79da39d4e411bf
ripemd-160
e29a754e81836bdb7cf8796da1e00d7e62ac786a
Diameter
162108656
Circumference
509279362.77291
Area
2.0639648256913E+16
Volume
2.2305770928273E+24
Surface area
8.2558593027654E+16
Circumference
509279362.77291
Perimeter
324217312
Area
6569804087531584
Diagonal
114628129.94664
Surface area
39418824525189504
Volume
5.3251105540653E+23
Space diagonal
140390214.26935
Perimeter
243162984
Area
2.8448086188446E+15
Altitude
70195107.134676
Surface area
2.8448086188446E+15
Volume
6.275702972246E+22
Height
38209376.648879