21036490 is an even 8-digits composite number following 21036489
and preceding 21036491 . In scientific notation, it is written as 2.1036490 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 8048656 positive integers (up to 21036490) that are relatively prime to 21036490.
21036490 has 16 divisors, whose sum is 39512448
The reverse of 21036490 is 09463012
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million thirty-six thousand four hundred ninety
Scientific notation
2.1036490 × 10^7
Engineering notation
2.1036490 × 10^6
Prime Factorization
2 × 5 × 23 × 91463
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21036490
Product of the distinct prime numbers
The prime factorization of 21036490 is 2 × 5 × 23 × 91463.
Since it has a total of 4 prime factors.
1 , 1 , 89 , 84 , 903 , 481 , 4121 , 8742 , 19147 , 19423 , 389506 , 62838 , 5627993 , 9886439 , 3405179 , 34987746 , 596845762 , 825560300 , 4612795773 , 9016275500
n×2
42072980
n×3
63109470
n×4
84145960
n×5
105182450
n÷2
10518245
n÷3
7012163.3333333
n÷3
5259122.5
n÷5
4207298
n2
442533911520100
n3
9.3093602043535E+21
n4
1.9583626284528E+29
n5
4.1197075849821E+36
2 √n
4586.5553523314
3 √n
276.05212381096
4 √n
67.724112045352
5 √n
29.147053333697
1 , 2 , 5 , 10 , 23 , 46 , 115 , 230 , 91463 , 182926 , 457315 , 914630 , 2103649 , 4207298 , 10518245 , 21036490
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
-21036489
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 21036490 can be divided by 16 positive divisors.
The sum of these divisors (counting 21036490) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000001111110111001010
3
Ternary
1110120202122021
4
Quaternary
1100033313022
5
Quinary
20341131430
6
Senary
2030515054
8
Octal
120176712
10
Decimal
21036490
12
Duodecimal
7065a8a
16
Hexadecimal
140fdca
20
Vigesimal
6b9b4a
36
Base36
civuy
md5
1b676ee78d08d8496ec7c137a169396d
sha1
1f05b2cd264400838b35bcae7664af6d2a44dd9b
sha256
dabcf4fa1825c3b9c7b8dca2d41ac7a9bbb2b5c9f4db1b1c4aea211f2d5ab732
sha512
592dddd677514c99b59b9280841b7cd059426bf16963f3b7fd3a58625aa2e86b59a3380dd403c005b112a845c1a8b59ee043becab7d9fa2c8e7b52e249a0e9e7
ripemd-160
b3efba6a5c7742f864e4de72e0b6c7186c1a64fd
Diameter
42072980
Circumference
132176164.88263
Area
1.3902612853959E+15
Volume
3.8994956836824E+22
Surface area
5.5610451415836E+15
Circumference
132176164.88263
Perimeter
84145960
Area
442533911520100
Diagonal
29750089.462726
Surface area
2655203469120600
Volume
9.3093602043535E+21
Space diagonal
36436269.492915
Perimeter
63109470
Area
1.9162280470625E+14
Altitude
18218134.746457
Surface area
1.9162280470625E+14
Volume
1.0971186215011E+21
Height
9916696.4875753