21490144 is an even 8-digits composite number following 21490143
and preceding 21490145 . In scientific notation, it is written as 2.1490144 × 10^7.
The sum of its digits is 25. It has a total of 7 prime factors and 24 positive divisors.
There are 9918336 positive integers (up to 21490144) that are relatively prime to 21490144.
21490144 has 24 divisors, whose sum is 45564120
The reverse of 21490144 is 44109412
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million four hundred ninety thousand one hundred forty-four
Scientific notation
2.1490144 × 10^7
Engineering notation
2.1490144 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 13 × 51659
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1343134
Product of the distinct prime numbers
The prime factorization of 21490144 is 2 × 2 × 2 × 2 × 2 × 13 × 51659.
Since it has a total of 7 prime factors.
2 , 2 , 59 , 92 , 130 , 827 , 2618 , 5257 , 72614 , 4529 , 338789 , 5515 , 1351399 , 8598203 , 95497964 , 7514796 , 635556802 , 751703023 , 4765583212 , 8219345702
n×2
42980288
n×3
64470432
n×4
85960576
n×5
107450720
n÷2
10745072
n÷3
7163381.3333333
n÷3
5372536
n÷5
4298028.8
n2
461826289140736
n3
9.9247134566201E+21
n4
2.132835213415E+29
n5
4.583493586456E+36
2 √n
4635.7463261054
3 √n
278.0223917923
4 √n
68.086315263094
5 √n
29.271694582245
1 , 2 , 4 , 8 , 13 , 16 , 26 , 32 , 52 , 104 , 208 , 416 , 51659 , 103318 , 206636 , 413272 , 671567 , 826544 , 1343134 , 1653088 , 2686268 , 5372536 , 10745072 , 21490144
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21490143
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21490144 can be divided by 24 positive divisors.
The sum of these divisors (counting 21490144) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010001111110100111100000
3
Ternary
1111102210221021
4
Quaternary
1101332213200
5
Quinary
21000141034
6
Senary
2044335224
8
Octal
121764740
10
Decimal
21490144
12
Duodecimal
7244514
16
Hexadecimal
147e9e0
20
Vigesimal
6e6574
36
Base36
cslwg
md5
756ed163035ed60614842cf5cdbd5505
sha1
f2142b94065f907c9555da2580ccef4de2f23cd8
sha256
daccc7b87d41564b65d39e6010400f6dada42048b8536d4b55575baad393df42
sha512
8cf596390aabec7848c544017be49c29f521f88fc3e81094e95f73e52b6a257c3dd3c56ec1192f9efa0cf8a7834dc56cfe1d1fa72766b1f85ea71338706eae85
ripemd-160
0709cb28168f23ecdd3e76d6e71fc5ab5bd13761
Diameter
42980288
Circumference
135026557.02997
Area
1.4508700771992E+15
Volume
4.1572542512402E+22
Surface area
5.8034803087967E+15
Circumference
135026557.02997
Perimeter
85960576
Area
461826289140736
Diagonal
30391653.102151
Surface area
2770957734844416
Volume
9.9247134566201E+21
Space diagonal
37222021.269971
Perimeter
64470432
Area
1.9997664926569E+14
Altitude
18611010.634986
Surface area
1.9997664926569E+14
Volume
1.1696386977516E+21
Height
10130551.03405