21031636 is an even 8-digits composite number following 21031635
and preceding 21031637 . In scientific notation, it is written as 2.1031636 × 10^7.
The sum of its digits is 22. It has a total of 4 prime factors and 12 positive divisors.
There are 10465560 positive integers (up to 21031636) that are relatively prime to 21031636.
21031636 has 12 divisors, whose sum is 36981280
The reverse of 21031636 is 63613012
Previous prime number is 211
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million thirty-one thousand six hundred thirty-six
Scientific notation
2.1031636 × 10^7
Engineering notation
2.1031636 × 10^6
Prime Factorization
2 × 2 × 211 × 24919
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10515818
Product of the distinct prime numbers
The prime factorization of 21031636 is 2 × 2 × 211 × 24919.
Since it has a total of 4 prime factors.
10 , 2 , 57 , 96 , 416 , 57 , 8265 , 8012 , 11064 , 90497 , 610376 , 294814 , 1937937 , 7086077 , 87692929 , 40359014 , 451078802 , 390202537 , 2756494397 , 1576850285
n×2
42063272
n×3
63094908
n×4
84126544
n×5
105158180
n÷2
10515818
n÷3
7010545.3333333
n÷3
5257909
n÷5
4206327.2
n2
442329712836496
n3
9.3029175123617E+21
n4
1.9565557485802E+29
n5
4.1149568317846E+36
2 √n
4586.0261665193
3 √n
276.03088991241
4 √n
67.720205009431
5 √n
29.145708120149
1 , 2 , 4 , 211 , 422 , 844 , 24919 , 49838 , 99676 , 5257909 , 10515818 , 21031636
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21031635
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21031636 can be divided by 12 positive divisors.
The sum of these divisors (counting 21031636) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000001110101011010100
3
Ternary
1110120111222111
4
Quaternary
1100032223110
5
Quinary
20341003021
6
Senary
2030440404
8
Octal
120165324
10
Decimal
21031636
12
Duodecimal
7063104
16
Hexadecimal
140ead4
20
Vigesimal
6b8j1g
36
Base36
cis44
md5
3c83373529134fe15c8386af74553f59
sha1
808cd6937e563902712428ffbec7bad101379d53
sha256
db8271a2d4059534043ab752d08623ca930b8ca63a31a7787f55be4d30a93ecc
sha512
ab8d77bc4149b3a62dd16b03f4a5a553115f74ff441afe2595bdff96a307af45c9a4d6d2e91aface76a71ca28815907c3107148db46ba8468ee2aecfc8f49b57
ripemd-160
83c5ac349171bda1cbc7f6f8e8656fb143b08067
Diameter
42063272
Circumference
132145666.30115
Area
1.3896197763116E+15
Volume
3.8967969751717E+22
Surface area
5.5584791052465E+15
Circumference
132145666.30115
Perimeter
84126544
Area
442329712836496
Diagonal
29743224.870094
Surface area
2653978277018976
Volume
9.3029175123617E+21
Space diagonal
36427862.118295
Perimeter
63094908
Area
1.9153438408254E+14
Altitude
18213931.059147
Surface area
1.9153438408254E+14
Volume
1.0963593429683E+21
Height
9914408.2900314