21572 is an even 5-digits composite number following 21571
and preceding 21573 . In scientific notation, it is written as 2.1572 × 10^4.
The sum of its digits is 17. It has a total of 3 prime factors and 6 positive divisors.
There are 10784 positive integers (up to 21572) that are relatively prime to 21572.
21572 has 6 divisors, whose sum is 37758
The reverse of 21572 is 27512
Previous prime number is 2
Is Prime? no
Number parity even
Number length 5
Sum of Digits 17
Digital Root 8
Name
twenty-one thousand five hundred seventy-two
Scientific notation
2.1572 × 10^4
Engineering notation
2.1572 × 10^3
Prime Factorization
2 × 2 × 5393
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10786
Product of the distinct prime numbers
The prime factorization of 21572 is 2 × 2 × 5393.
Since it has a total of 3 prime factors.
6 , 9 , 76 , 88 , 155 , 878 , 8651 , 3049 , 93451 , 51568 , 186004 , 457414 , 8509254 , 1751445 , 67735736 , 474555 , 93932599 , 650829927 , 9691807598 , 7687332970
n×2
43144
n×3
64716
n×4
86288
n×5
107860
n÷2
10786
n÷3
7190.6666666667
n÷3
5393
n÷5
4314.4
n2
465351184
n3
10038555741248
n4
216551724450201856
n5
4.6714537998398E+21
2 √n
146.8740957419
3 √n
27.837494049333
4 √n
12.119162336643
5 √n
7.3583100329834
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
-21571
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 21572 can be divided by 6 positive divisors.
The sum of these divisors (counting 21572) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
101010001000100
3
Ternary
1002120222
4
Quaternary
11101010
5
Quinary
1142242
6
Senary
243512
8
Octal
52104
10
Decimal
21572
12
Duodecimal
10598
16
Hexadecimal
5444
20
Vigesimal
2dic
36
Base36
gn8
md5
08d24d640ddb54ad66f3562185bc0f49
sha1
99cc8ddbb4639d8357e6448ff4116a8791951092
sha256
f0ae22e6156e39025cd856c616ec4663649f1810417300d2a93ece6d59970474
sha512
a39e2a5ddf14e02dbba707d7200376f2e6d6c09ac27a72d10b112f7bc672dc0f65d19c33a71fc594d340452d8063e49c990f2909fe9f0894f185ba4a2ffbebb7
ripemd-160
b85450d2ed94a1bae2ef0ae67a490e384633d0e6
Diameter
43144
Circumference
135540.87344648
Area
1461943860.9937
Volume
42049403959142
Surface area
5847775443.9748
Circumference
135540.87344648
Perimeter
86288
Area
465351184
Diagonal
30507.414967512
Surface area
2792107104
Volume
10038555741248
Space diagonal
37363.800020876
Perimeter
64716
Area
201502973.51258
Altitude
18681.900010438
Surface area
201502973.51258
Volume
1183055139659.3
Height
10169.138322504