21037021 is an odd 8-digits prime number following 21037020
and preceding 21037022 . In scientific notation, it is written as 2.1037021 × 10^7.
The sum of its digits is 16. It has a total of 1 prime factors and 2 positive divisors.
There are 21037020 positive integers (up to 21037021) that are relatively prime to 21037021.
21037021 has 2 divisors, whose sum is 21037022
The reverse of 21037021 is 12073012
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty-one million thirty-seven thousand twenty-one
Scientific notation
2.1037021 × 10^7
Engineering notation
2.1037021 × 10^6
Prime Factorization
21037021
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21037021
Product of the distinct prime numbers
The prime factorization of 21037021 is 21037021.
Since it has a total of 1 prime factors.
1 , 10 , 3 , 54 , 837 , 652 , 9444 , 6347 , 78666 , 4001 , 577538 , 495004 , 1740942 , 1439581 , 10534565 , 79784227 , 483266553 , 888031072 , 556324702 , 6574186202
n×2
42074042
n×3
63111063
n×4
84148084
n×5
105185105
n÷2
10518510.5
n÷3
7012340.3333333
n÷3
5259255.25
n÷5
4207404.2
n2
442556252554441
n3
9.3100651786691E+21
n4
1.9585603667503E+29
n5
4.1202275565094E+36
2 √n
4586.6132385454
3 √n
276.05444648052
4 √n
67.724539411837
5 √n
29.147200477342
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21037022
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10518511
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4586.6133475583
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999049295
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21037021 can be divided by 2 positive divisors.
The sum of these divisors (counting 21037021) is 21037022, the average is 10518511.
Base
System
Value
2
Binary
1010000001111111111011101
3
Ternary
1110120210100221
4
Quaternary
1100033333131
5
Quinary
20341141041
6
Senary
2030521341
8
Octal
120177735
10
Decimal
21037021
12
Duodecimal
7066251
16
Hexadecimal
140ffdd
20
Vigesimal
6b9cb1
36
Base36
ciw9p
md5
7b1497945d3422b0746e20ecf2f11249
sha1
a7679fee5ce3ef8df552750be141a18c4022bd73
sha256
0767782b1f085e4459fb40fc73b68cd8b36979bf5572ab700ec8b452a95a126b
sha512
c5113985d03279a16591f87f5970bc74b36875c0f1deed8cc7595957ecdc91fce41bedb568a2892bca7d407429bd088816987cf92de6f2e8bd90a75af70146fa
ripemd-160
b7294338021aba92f9230c0070c8adeab9ac55bb
Diameter
42074042
Circumference
132179501.25403
Area
1.3903314718253E+15
Volume
3.8997909826332E+22
Surface area
5.561325887301E+15
Circumference
132179501.25403
Perimeter
84148084
Area
442556252554441
Diagonal
29750840.410128
Surface area
2655337515326646
Volume
9.3100651786691E+21
Space diagonal
36437189.211893
Perimeter
63111063
Area
1.9163247865789E+14
Altitude
18218594.605947
Surface area
1.9163247865789E+14
Volume
1.0972017035209E+21
Height
9916946.8033759