30812 is an even 5-digits composite number following 30811
and preceding 30813 . In scientific notation, it is written as 3.0812 × 10^4.
The sum of its digits is 14. It has a total of 3 prime factors and 6 positive divisors.
There are 15404 positive integers (up to 30812) that are relatively prime to 30812.
30812 has 6 divisors, whose sum is 53928
The reverse of 30812 is 21803
Previous prime number is 2
Is Prime? no
Number parity even
Number length 5
Sum of Digits 14
Digital Root 5
Name
thirty thousand eight hundred twelve
Scientific notation
3.0812 × 10^4
Engineering notation
3.0812 × 10^3
Prime Factorization
2 × 2 × 7703
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
15406
Product of the distinct prime numbers
The prime factorization of 30812 is 2 × 2 × 7703.
Since it has a total of 3 prime factors.
4 , 2 , 63 , 8 , 576 , 573 , 9493 , 1762 , 75806 , 37821 , 852023 , 800724 , 9431063 , 2148756 , 48557339 , 54782428 , 286393501 , 601763926 , 7684090937 , 7569581260
n×2
61624
n×3
92436
n×4
123248
n×5
154060
n÷2
15406
n÷3
10270.666666667
n÷3
7703
n÷5
6162.4
n2
949379344
n3
29252276347328
n4
901321138813870336
n5
2.7771506929133E+22
2 √n
175.53347259141
3 √n
31.350174538853
4 √n
13.24890458081
5 √n
7.9021265018024
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
-30811
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 30812 can be divided by 6 positive divisors.
The sum of these divisors (counting 30812) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
111100001011100
3
Ternary
1120021012
4
Quaternary
13201130
5
Quinary
1441222
6
Senary
354352
8
Octal
74134
10
Decimal
30812
12
Duodecimal
159b8
16
Hexadecimal
785c
20
Vigesimal
3h0c
36
Base36
nrw
md5
5c1917d0afc16d36b7b2471ae6a664ad
sha1
19822119bcf94694a6084008b6e15e7f26cf496f
sha256
d514545140ff5b2bf119b1092f40ff4261fc390e7cbc4925dc4fde4bb38e276e
sha512
fe74589a4afc1a00a5d1cf8f387d11eb9cdd2f243296c26a3c7ef8592a208637b5096152d2416b023542d7f88e28f212a50337bbe1b26139760bb4a03da8684a
ripemd-160
ac5caa784059497b89e1be102d18996ef6fe522b
Diameter
61624
Circumference
193597.50568482
Area
2982563172.5803
Volume
1.2253164863139E+14
Surface area
11930252690.321
Circumference
193597.50568482
Perimeter
123248
Area
949379344
Diagonal
43574.74828384
Surface area
5696276064
Volume
29252276347328
Space diagonal
53367.949482812
Perimeter
92436
Area
411093314.8661
Altitude
26683.974741406
Surface area
411093314.8661
Volume
3447413828389.7
Height
14524.916094613