21000636 is an even 8-digits composite number following 21000635
and preceding 21000637 . In scientific notation, it is written as 2.1000636 × 10^7.
The sum of its digits is 18. It has a total of 5 prime factors and 18 positive divisors.
There are 7000200 positive integers (up to 21000636) that are relatively prime to 21000636.
21000636 has 18 divisors, whose sum is 53085032
The reverse of 21000636 is 63600012
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty-one million six hundred thirty-six
Scientific notation
2.1000636 × 10^7
Engineering notation
2.1000636 × 10^6
Prime Factorization
2 × 2 × 3 × 3 × 583351
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
3500106
Product of the distinct prime numbers
The prime factorization of 21000636 is 2 × 2 × 3 × 3 × 583351.
Since it has a total of 5 prime factors.
5 , 5 , 39 , 16 , 917 , 777 , 5921 , 5820 , 16108 , 93938 , 38316 , 91551 , 4244484 , 4184723 , 34902832 , 2187691 , 980776924 , 197154008 , 6080396721 , 9997450086
n×2
42001272
n×3
63001908
n×4
84002544
n×5
105003180
n÷2
10500318
n÷3
7000212
n÷3
5250159
n÷5
4200127.2
n2
441026712404496
n3
9.2618414534835E+21
n4
1.9450456105432E+29
n5
4.0847194870415E+36
2 √n
4582.6450877195
3 √n
275.89520280964
4 √n
67.695236817073
5 √n
29.137111070199
1 , 2 , 3 , 4 , 6 , 9 , 12 , 18 , 36 , 583351 , 1166702 , 1750053 , 2333404 , 3500106 , 5250159 , 7000212 , 10500318 , 21000636
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21000635
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21000636 can be divided by 18 positive divisors.
The sum of these divisors (counting 21000636) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
1010000000111000110111100
3
Ternary
1110111221110100
4
Quaternary
1100013012330
5
Quinary
20334010021
6
Senary
2030041100
8
Octal
120070674
10
Decimal
21000636
12
Duodecimal
7049190
16
Hexadecimal
14071bc
20
Vigesimal
6b51bg
36
Base36
ci470
md5
13352780ebda450ec5d0b3196966dbaa
sha1
38ee34faeccc16eafc79ec0f7863d790d0ffc670
sha256
1e3f651824955336eb404e2ea73c29b3db3d293b2c0f3f6bb33f74f3ee3b4ea8
sha512
64260cc36d79ccf7f6fa7f2d130aaebc116cdbdbfa5db30b8ca35f3b6646a4165818370cbc3e77b56d5e1b512d0410bbe6a8ca59aff68e282e9002d8092cd85c
ripemd-160
fb2bdc44056d469224856ccdd44cc7198581bd90
Diameter
42001272
Circumference
131950887.55663
Area
1.3855262797268E+15
Volume
3.8795910758636E+22
Surface area
5.5421051189073E+15
Circumference
131950887.55663
Perimeter
84002544
Area
441026712404496
Diagonal
29699384.249661
Surface area
2646160274426976
Volume
9.2618414534835E+21
Space diagonal
36374168.54326
Perimeter
63001908
Area
1.9097016834491E+14
Altitude
18187084.27163
Surface area
1.9097016834491E+14
Volume
1.0915184830055E+21
Height
9899794.7498869