81435 is an odd 5-digits composite number following 81434
and preceding 81436 . In scientific notation, it is written as 8.1435 × 10^4.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 42240 positive integers (up to 81435) that are relatively prime to 81435.
81435 has 16 divisors, whose sum is 133920
The reverse of 81435 is 53418
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 21
Digital Root 3
Name
eighty-one thousand four hundred thirty-five
Scientific notation
8.1435 × 10^4
Engineering notation
8.1435 × 10^3
Prime Factorization
3 × 5 × 61 × 89
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81435
Product of the distinct prime numbers
The prime factorization of 81435 is 3 × 5 × 61 × 89.
Since it has a total of 4 prime factors.
7 , 4 , 79 , 90 , 22 , 276 , 1789 , 3848 , 74573 , 76562 , 132034 , 317360 , 8880841 , 6115613 , 26233367 , 76566631 , 346420442 , 185125759 , 347947818 , 9901088897
n×2
162870
n×3
244305
n×4
325740
n×5
407175
n÷2
40717.5
n÷3
27145
n÷3
20358.75
n÷5
16287
n2
6631659225
n3
540049168987875
n4
4.3978904076528E+19
n5
3.581422053472E+24
2 √n
285.36818323002
3 √n
43.344803012533
4 √n
16.892844142714
5 √n
9.5975905922735
1 , 3 , 5 , 15 , 61 , 89 , 183 , 267 , 305 , 445 , 915 , 1335 , 5429 , 16287 , 27145 , 81435
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
-81434
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 81435 can be divided by 16 positive divisors.
The sum of these divisors (counting 81435) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10011111000011011
3
Ternary
11010201010
4
Quaternary
103320123
5
Quinary
10101220
6
Senary
1425003
8
Octal
237033
10
Decimal
81435
12
Duodecimal
3b163
16
Hexadecimal
13e1b
20
Vigesimal
a3bf
36
Base36
1qu3
md5
a622d08f07d0fb7e9b8e387cc75a2c00
sha1
69314151b7f1032a00e102c4c6991f13dc4c8862
sha256
dd1c8ad90c234473b24c4c95da651d5be3f3c6e3fa336d387eee155a44440596
sha512
249ea860ec13d1797cf48f954d1c7cad87b71494239e26d33b591ad2d3abc7bc6f04f439ebf17d9f5f6a6d92f62d9348e0435878efe0faa13e8d3c6edbcbf45b
ripemd-160
74e1ebb3f4b1b104f7bf7946f8903428daefefbe
Diameter
162870
Circumference
511671.19549017
Area
20833971902.371
Volume
2.2621526691594E+15
Surface area
83335887609.484
Circumference
511671.19549017
Perimeter
325740
Area
6631659225
Diagonal
115166.48145185
Surface area
39789955350
Volume
540049168987875
Space diagonal
141049.55751437
Perimeter
244305
Area
2871592679.0457
Altitude
70524.778757186
Surface area
2871592679.0457
Volume
63645404927581
Height
38388.827150618