20901 is an odd 5-digits composite number following 20900
and preceding 20902 . In scientific notation, it is written as 2.0901 × 10^4.
The sum of its digits is 12. It has a total of 2 prime factors and 4 positive divisors.
There are 13932 positive integers (up to 20901) that are relatively prime to 20901.
20901 has 4 divisors, whose sum is 27872
The reverse of 20901 is 10902
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 12
Digital Root 3
Name
twenty thousand nine hundred one
Scientific notation
2.0901 × 10^4
Engineering notation
2.0901 × 10^3
Prime Factorization
3 × 6967
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20901
Product of the distinct prime numbers
The prime factorization of 20901 is 3 × 6967.
Since it has a total of 2 prime factors.
3 , 8 , 87 , 37 , 351 , 216 , 9501 , 9495 , 31280 , 56647 , 522068 , 126477 , 625596 , 4855483 , 45233032 , 46826279 , 44936557 , 641072559 , 5675801017 , 4420102977
n×2
41802
n×3
62703
n×4
83604
n×5
104505
n÷2
10450.5
n÷3
6967
n÷3
5225.25
n÷5
4180.2
n2
436851801
n3
9130639492701
n4
190839496036943601
n5
3.9887363066682E+21
2 √n
144.57178147896
3 √n
27.545818933509
4 √n
12.023800625383
5 √n
7.3119533685107
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
-20900
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 20901 can be divided by 4 positive divisors.
The sum of these divisors (counting 20901) is 1, the average is 0.25.
Base
System
Value
2
Binary
101000110100101
3
Ternary
1001200010
4
Quaternary
11012211
5
Quinary
1132101
6
Senary
240433
8
Octal
50645
10
Decimal
20901
12
Duodecimal
10119
16
Hexadecimal
51a5
20
Vigesimal
2c51
36
Base36
g4l
md5
46b315dd44d174daf5617e22b3ac94ca
sha1
fe4ab7b33abfbb1d5e1de376537fb164f3635f89
sha256
91f0092e40685fbdb07f3fedba64ad59c1c6b2cfa7116af68e9465384c494598
sha512
9ba39595f366af9c66668b53cb398de6f2f014c4d457d849b65ecbafdace443c379574800c7ba1a4c6be4b204dc88d7429f18237d7bbbd00906ba3e07bd3464a
ripemd-160
4bd0514176bfcc116e3ecb2afda6885d77086b1c
Diameter
41802
Circumference
131324.85610536
Area
1372410408.7291
Volume
38246333270462
Surface area
5489641634.9163
Circumference
131324.85610536
Perimeter
83604
Area
436851801
Diagonal
29558.47766716
Surface area
2621110806
Volume
9130639492701
Space diagonal
36201.593928997
Perimeter
62703
Area
189162378.67749
Altitude
18100.796964499
Surface area
189162378.67749
Volume
1076056183643.1
Height
9852.8258890534