21036638 is an even 8-digits composite number following 21036637
and preceding 21036639 . In scientific notation, it is written as 2.1036638 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 8975616 positive integers (up to 21036638) that are relatively prime to 21036638.
21036638 has 16 divisors, whose sum is 36223200
The reverse of 21036638 is 83663012
Previous prime number is 233
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million thirty-six thousand six hundred thirty-eight
Scientific notation
2.1036638 × 10^7
Engineering notation
2.1036638 × 10^6
Prime Factorization
2 × 7 × 233 × 6449
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21036638
Product of the distinct prime numbers
The prime factorization of 21036638 is 2 × 7 × 233 × 6449.
Since it has a total of 4 prime factors.
5 , 8 , 63 , 3 , 336 , 65 , 2984 , 9487 , 95440 , 63905 , 336116 , 834260 , 5030253 , 6024806 , 96422356 , 71896723 , 117003471 , 967548786 , 2437198524 , 3083015910
n×2
42073276
n×3
63109914
n×4
84146552
n×5
105183190
n÷2
10518319
n÷3
7012212.6666667
n÷3
5259159.5
n÷5
4207327.6
n2
442540138343044
n3
9.3095566907925E+21
n4
1.9584177404468E+29
n5
4.1198525058557E+36
2 √n
4586.5714864155
3 √n
276.05277118795
4 √n
67.724231161494
5 √n
29.147094345784
1 , 2 , 7 , 14 , 233 , 466 , 1631 , 3262 , 6449 , 12898 , 45143 , 90286 , 1502617 , 3005234 , 10518319 , 21036638
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21036637
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21036638 can be divided by 16 positive divisors.
The sum of these divisors (counting 21036638) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000001111111001011110
3
Ternary
1110120202211202
4
Quaternary
1100033321132
5
Quinary
20341133023
6
Senary
2030515502
8
Octal
120177136
10
Decimal
21036638
12
Duodecimal
7065b92
16
Hexadecimal
140fe5e
20
Vigesimal
6b9bbi
36
Base36
civz2
md5
1541ee014026bbf3f058d8ebc3921b45
sha1
c88310346e1eedad13acef6e7b3f54ca0e685c2d
sha256
608b9007d85fbee7de9b69b3f3eb56fc9216229afdfde41f681e32b224580529
sha512
06377cb15725f3b8f0ea3c6d4fc3eec76a51fe28350cb4da55fd1e4f56dcd2ce59e5d39086292a6564184f04c99f95b6b5e872db6ef32e15c72ce0953826b650
ripemd-160
b7021bd2e9d4c0ad59d0f53a0b0daf375c1fdecc
Diameter
42073276
Circumference
132177094.79406
Area
1.3902808475371E+15
Volume
3.8995779877295E+22
Surface area
5.5611233901485E+15
Circumference
132177094.79406
Perimeter
84146552
Area
442540138343044
Diagonal
29750298.766333
Surface area
2655240830058264
Volume
9.3095566907925E+21
Space diagonal
36436525.836434
Perimeter
63109914
Area
1.9162550099968E+14
Altitude
18218262.918217
Surface area
1.9162550099968E+14
Volume
1.09714177765E+21
Height
9916766.2554444