85821 is an odd 5-digits composite number following 85820
and preceding 85822 . In scientific notation, it is written as 8.5821 × 10^4.
The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors.
There are 57212 positive integers (up to 85821) that are relatively prime to 85821.
85821 has 4 divisors, whose sum is 114432
The reverse of 85821 is 12858
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 24
Digital Root 6
Name
eighty-five thousand eight hundred twenty-one
Scientific notation
8.5821 × 10^4
Engineering notation
8.5821 × 10^3
Prime Factorization
3 × 28607
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
85821
Product of the distinct prime numbers
The prime factorization of 85821 is 3 × 28607.
Since it has a total of 2 prime factors.
7 , 4 , 22 , 35 , 273 , 725 , 9679 , 1172 , 24548 , 99763 , 953332 , 346050 , 4883482 , 976158 , 54453528 , 21737190 , 994893540 , 622039975 , 3506716758 , 7234147872
n×2
171642
n×3
257463
n×4
343284
n×5
429105
n÷2
42910.5
n÷3
28607
n÷3
21455.25
n÷5
17164.2
n2
7365244041
n3
632092608842661
n4
5.4246819783486E+19
n5
4.6555163206386E+24
2 √n
292.95221453336
3 √n
44.109404054733
4 √n
17.115846883323
5 √n
9.6988158637424
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
-85820
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 85821 can be divided by 4 positive divisors.
The sum of these divisors (counting 85821) is 1, the average is 0.25.
Base
System
Value
2
Binary
10100111100111101
3
Ternary
11100201120
4
Quaternary
110330331
5
Quinary
10221241
6
Senary
1501153
8
Octal
247475
10
Decimal
85821
12
Duodecimal
417b9
16
Hexadecimal
14f3d
20
Vigesimal
aeb1
36
Base36
1u7x
md5
cbff7d7c4409e6eb49cc724db51b277d
sha1
70e551f7c46e463383abe15c6a35079ab32e1aab
sha256
fbe22d6c76ebbb5598aa833e967ea6e0130e0502ad5aaae2ff4d19c8ed44b9c3
sha512
3acb6f67a1fc0be9cfd76c460d78e69d871fc6e4816fa76ecd8508b6951fad2d97ce2878156f52705601948c551167697c24cece7bd8dd392a0977cfb0b3ddd3
ripemd-160
781bd53534db4b19db247911e25dc0903ee68266
Diameter
171642
Circumference
539229.24624746
Area
23138596571.102
Volume
2.647703328438E+15
Surface area
92554386284.406
Circumference
539229.24624746
Perimeter
343284
Area
7365244041
Diagonal
121369.22213642
Surface area
44191464246
Volume
632092608842661
Space diagonal
148646.33235637
Perimeter
257463
Area
3189244222.289
Altitude
74323.166178184
Surface area
3189244222.289
Volume
74492828341757
Height
40456.407378807