21629 is an odd 5-digits composite number following 21628
and preceding 21630 . In scientific notation, it is written as 2.1629 × 10^4.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 21084 positive integers (up to 21629) that are relatively prime to 21629.
21629 has 4 divisors, whose sum is 22176
The reverse of 21629 is 92612
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 20
Digital Root 2
Name
twenty-one thousand six hundred twenty-nine
Scientific notation
2.1629 × 10^4
Engineering notation
2.1629 × 10^3
Prime Factorization
43 × 503
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21629
Product of the distinct prime numbers
The prime factorization of 21629 is 43 × 503.
Since it has a total of 2 prime factors.
2 , 9 , 81 , 18 , 150 , 230 , 805 , 221 , 95320 , 8436 , 400774 , 637516 , 4781539 , 2677675 , 8005806 , 48989747 , 593073765 , 757656409 , 4902103141 , 9412639025
n×2
43258
n×3
64887
n×4
86516
n×5
108145
n÷2
10814.5
n÷3
7209.6666666667
n÷3
5407.25
n÷5
4325.8
n2
467813641
n3
10118341241189
n4
218849602705676881
n5
4.7334980569211E+21
2 √n
147.06801147768
3 √n
27.861990953593
4 √n
12.127160074712
5 √n
7.3621945228197
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
-21628
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 21629 can be divided by 4 positive divisors.
The sum of these divisors (counting 21629) is 1, the average is 0.25.
Base
System
Value
2
Binary
101010001111101
3
Ternary
1002200002
4
Quaternary
11101331
5
Quinary
1143004
6
Senary
244045
8
Octal
52175
10
Decimal
21629
12
Duodecimal
10625
16
Hexadecimal
547d
20
Vigesimal
2e19
36
Base36
got
md5
8554f640c525098f93aa8ba5256ba5ac
sha1
fa764c42955a6b2d7f770993c5222774ce078ee4
sha256
62ef9b302218225516682689f3b524702697f2113fc501c181edb7cca6483ca0
sha512
36ed6d92ff797fa2b9d2cf4e76735f88f0dc57126f9454f6a754607d923051376db310a9ace58657a7d06eb2fb1994499994092a52b15ee633e849c92e2f69c9
ripemd-160
b412d1ed2823770785114a890512662337c10eae
Diameter
43258
Circumference
135899.01500899
Area
1469679897.8147
Volume
42383608679779
Surface area
5878719591.2588
Circumference
135899.01500899
Perimeter
86516
Area
467813641
Diagonal
30588.025140568
Surface area
2806881846
Volume
10118341241189
Space diagonal
37462.526916907
Perimeter
64887
Area
202569248.67145
Altitude
18731.263458454
Surface area
202569248.67145
Volume
1192457951000.7
Height
10196.008380189