20151 is an odd 5-digits composite number following 20150
and preceding 20152 . In scientific notation, it is written as 2.0151 × 10^4.
The sum of its digits is 9. It has a total of 2 prime factors and 4 positive divisors.
There are 13428 positive integers (up to 20151) that are relatively prime to 20151.
20151 has 4 divisors, whose sum is 22400
The reverse of 20151 is 15102
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 9
Digital Root 9
Name
twenty thousand one hundred fifty-one
Scientific notation
2.0151 × 10^4
Engineering notation
2.0151 × 10^3
Prime Factorization
9 × 2239
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20151
Product of the distinct prime numbers
The prime factorization of 20151 is 9 × 2239.
Since it has a total of 2 prime factors.
2 , 6 , 80 , 98 , 484 , 719 , 422 , 805 , 37910 , 31183 , 425692 , 632130 , 8580649 , 250503 , 98348882 , 31171381 , 831303186 , 355616809 , 7096452343 , 2846663944
n×2
40302
n×3
60453
n×4
80604
n×5
100755
n÷2
10075.5
n÷3
6717
n÷3
5037.75
n÷5
4030.2
n2
406062801
n3
8182571502951
n4
164886998355965601
n5
3.3226379038711E+21
2 √n
141.95421797185
3 √n
27.212317806146
4 √n
11.914454161725
5 √n
7.2587079072323
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
-20150
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 20151 can be divided by 4 positive divisors.
The sum of these divisors (counting 20151) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111010110111
3
Ternary
1000122100
4
Quaternary
10322313
5
Quinary
1121101
6
Senary
233143
8
Octal
47267
10
Decimal
20151
12
Duodecimal
b7b3
16
Hexadecimal
4eb7
20
Vigesimal
2a7b
36
Base36
fjr
md5
d9e463c17706da6e0606b5becce78531
sha1
57198573fd0ccff7e0ab924940ec38be15795857
sha256
3e0582e33d3809bee13b2843dfe691381becd3af75a0899dd24eb751fae036ba
sha512
755d322f386a5eff8da264913e1023538552c65ac06f5baf954156981703898e6784d1c85fe6f2e308e3a023436ec5c18442cb26a3f56b07bdca46f144170988
ripemd-160
2f00d837f5f78914dd5f7881b04e4cd2c355d8de
Diameter
40302
Circumference
126612.46712498
Area
1275683912.5177
Volume
34275075361525
Surface area
5102735650.0708
Circumference
126612.46712498
Perimeter
80604
Area
406062801
Diagonal
28497.81749538
Surface area
2436376806
Volume
8182571502951
Space diagonal
34902.55582332
Perimeter
60453
Area
175830350.59893
Altitude
17451.27791166
Surface area
175830350.59893
Volume
964325299546.74
Height
9499.2724984601