81475 is an odd 5-digits composite number following 81474
and preceding 81476 . In scientific notation, it is written as 8.1475 × 10^4.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 65160 positive integers (up to 81475) that are relatively prime to 81475.
81475 has 4 divisors, whose sum is 84760
The reverse of 81475 is 57418
Previous prime number is 25
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 25
Digital Root 7
Name
eighty-one thousand four hundred seventy-five
Scientific notation
8.1475 × 10^4
Engineering notation
8.1475 × 10^3
Prime Factorization
25 × 3259
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81475
Product of the distinct prime numbers
The prime factorization of 81475 is 25 × 3259.
Since it has a total of 2 prime factors.
6 , 5 , 14 , 75 , 567 , 535 , 7862 , 2519 , 69253 , 92840 , 727288 , 162146 , 39927 , 1126139 , 11181686 , 88621251 , 70888030 , 628584309 , 6911211763 , 9055645024
n×2
162950
n×3
244425
n×4
325900
n×5
407375
n÷2
40737.5
n÷3
27158.333333333
n÷3
20368.75
n÷5
16295
n2
6638175625
n3
540845359046875
n4
4.4065375628344E+19
n5
3.5902264793193E+24
2 √n
285.43825952384
3 √n
43.351898685256
4 √n
16.894918156767
5 √n
9.5985332538273
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81474
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81475 can be divided by 4 positive divisors.
The sum of these divisors (counting 81475) is 1, the average is 0.25.
Base
System
Value
2
Binary
10011111001000011
3
Ternary
11010202121
4
Quaternary
103321003
5
Quinary
10101400
6
Senary
1425111
8
Octal
237103
10
Decimal
81475
12
Duodecimal
3b197
16
Hexadecimal
13e43
20
Vigesimal
a3df
36
Base36
1qv7
md5
02810ee8240709d91af1cf16144f0e52
sha1
81d08a1cc473abe16e6e120089f3aa6dc624f2fb
sha256
bb80ca29ddd6d9a7460d07ad00ff55ee8383c9e657421c921d8f2f7f2fad4ba7
sha512
53babab5ae2f5b563e726f3f3df7b7dc09235e5bd3362f2ef1c4f77897284acd1ea62c7bbdc3c80ffc2335f36934dd8b5ef75620aa6884ed898e1bbfe2b87064
ripemd-160
8448ddc86c5c0688b8f258a75a43af82194866c2
Diameter
162950
Circumference
511922.52290246
Area
20854443776.739
Volume
2.2654877422797E+15
Surface area
83417775106.955
Circumference
511922.52290246
Perimeter
325900
Area
6638175625
Diagonal
115223.04999435
Surface area
39829053750
Volume
540845359046875
Space diagonal
141118.83954667
Perimeter
244425
Area
2874414363.0163
Altitude
70559.419773337
Surface area
2874414363.0163
Volume
63739236825886
Height
38407.683331449