21363986 is an even 8-digits composite number following 21363985
and preceding 21363987 . In scientific notation, it is written as 2.1363986 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 9155988 positive integers (up to 21363986) that are relatively prime to 21363986.
21363986 has 8 divisors, whose sum is 36624000
The reverse of 21363986 is 68936312
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million three hundred sixty-three thousand nine hundred eighty-six
Scientific notation
2.1363986 × 10^7
Engineering notation
2.1363986 × 10^6
Prime Factorization
2 × 7 × 1525999
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21363986
Product of the distinct prime numbers
The prime factorization of 21363986 is 2 × 7 × 1525999.
Since it has a total of 3 prime factors.
6 , 1 , 24 , 22 , 863 , 85 , 643 , 5551 , 81202 , 95376 , 293303 , 136355 , 2999081 , 8740409 , 8212448 , 260990 , 822453440 , 436465755 , 1452307580 , 4115452737
n×2
42727972
n×3
64091958
n×4
85455944
n×5
106819930
n÷2
10681993
n÷3
7121328.6666667
n÷3
5340996.5
n÷5
4272797.2
n2
456419897808196
n3
9.7509483068957E+21
n4
2.0831912311524E+29
n5
4.4505268297664E+36
2 √n
4622.1192109248
3 √n
277.47727974576
4 √n
67.986169262026
5 √n
29.237245667498
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21363985
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21363986 can be divided by 8 positive divisors.
The sum of these divisors (counting 21363986) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001011111110100010010
3
Ternary
1111012101212202
4
Quaternary
1101133310102
5
Quinary
20432121421
6
Senary
2041523202
8
Octal
121376422
10
Decimal
21363986
12
Duodecimal
71a3502
16
Hexadecimal
145fd12
20
Vigesimal
6da9j6
36
Base36
cpwk2
md5
36468c32c96db7bfe509d692efe9f4a3
sha1
0d2edd65d2ab439381d632de713f885ae4008f9f
sha256
2de4a5ac3bf45b4510424b074f884e2d51f5eb0b0aaa1bb86e497f08cead34a3
sha512
5ac680362ab280f9873e0746c88fbd0ec570ca05ba1d6ef9b9ef3f211db4eb3232eae1edf4db542993f1aefcac8567ab078cdb3d2f0d94f5ebf34203d067c03e
ripemd-160
5e0337659625b71124ae6543b750b497cec63a29
Diameter
42727972
Circumference
134233882.93799
Area
1.4338853979064E+15
Volume
4.0844676755303E+22
Surface area
5.7355415916257E+15
Circumference
134233882.93799
Perimeter
85455944
Area
456419897808196
Diagonal
30213238.747549
Surface area
2738519386849176
Volume
9.7509483068957E+21
Space diagonal
37003509.20419
Perimeter
64091958
Area
1.976356131473E+14
Altitude
18501754.602095
Surface area
1.976356131473E+14
Volume
1.1491602784676E+21
Height
10071079.582516