81292 is an even 5-digits composite number following 81291
and preceding 81293 . In scientific notation, it is written as 8.1292 × 10^4.
The sum of its digits is 22. It has a total of 3 prime factors and 6 positive divisors.
There are 40644 positive integers (up to 81292) that are relatively prime to 81292.
81292 has 6 divisors, whose sum is 142268
The reverse of 81292 is 29218
Previous prime number is 2
Is Prime? no
Number parity even
Number length 5
Sum of Digits 22
Digital Root 4
Name
eighty-one thousand two hundred ninety-two
Scientific notation
8.1292 × 10^4
Engineering notation
8.1292 × 10^3
Prime Factorization
2 × 2 × 20323
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
40646
Product of the distinct prime numbers
The prime factorization of 81292 is 2 × 2 × 20323.
Since it has a total of 3 prime factors.
4 , 8 , 66 , 75 , 948 , 773 , 597 , 6100 , 72317 , 52910 , 278508 , 758315 , 3889630 , 2100787 , 32331500 , 69747069 , 570063498 , 911628327 , 4374831136 , 9377846292
n×2
162584
n×3
243876
n×4
325168
n×5
406460
n÷2
40646
n÷3
27097.333333333
n÷3
20323
n÷5
16258.4
n2
6608389264
n3
537209180049088
n4
4.367080866455E+19
n5
3.5500873779586E+24
2 √n
285.11751963006
3 √n
43.319416964546
4 √n
16.885423288448
5 √n
9.594217545094
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81291
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81292 can be divided by 6 positive divisors.
The sum of these divisors (counting 81292) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
10011110110001100
3
Ternary
11010111211
4
Quaternary
103312030
5
Quinary
10100132
6
Senary
1424204
8
Octal
236614
10
Decimal
81292
12
Duodecimal
3b064
16
Hexadecimal
13d8c
20
Vigesimal
a34c
36
Base36
1qq4
md5
6c0b63771a594fa3ccf4d5c6fdd15547
sha1
cd9d10c437bd5aa6ef6c143bd37e5015414a17bd
sha256
f1cc79aba924e3d84b9876e43194e7e46fcd5f7cd9ab76117803da1edc13d4ba
sha512
e3b6dde910e3459477dc2aa27af37f942a632131aec5a7d41a65b2ddd9276dbd7e0b6308ad110f849af4eb1dabe5ce35c3b23d6bb9612c2bcf047342c420966d
ripemd-160
36fd8d5508e7c681f16ca9769bfacbadd8dedd32
Diameter
162584
Circumference
510772.69999124
Area
20760867163.844
Volume
2.2502565513109E+15
Surface area
83043468655.376
Circumference
510772.69999124
Perimeter
325168
Area
6608389264
Diagonal
114964.24891243
Surface area
39650335584
Volume
537209180049088
Space diagonal
140801.87424889
Perimeter
243876
Area
2861516490.3602
Altitude
70400.937124445
Surface area
2861516490.3602
Volume
63310709021396
Height
38321.416304145