21490568 is an even 8-digits composite number following 21490567
and preceding 21490569 . In scientific notation, it is written as 2.1490568 × 10^7.
The sum of its digits is 35. It has a total of 6 prime factors and 24 positive divisors.
There are 9702880 positive integers (up to 21490568) that are relatively prime to 21490568.
21490568 has 24 divisors, whose sum is 40902330
The reverse of 21490568 is 86509412
Previous prime number is 149
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million four hundred ninety thousand five hundred sixty-eight
Scientific notation
2.1490568 × 10^7
Engineering notation
2.1490568 × 10^6
Prime Factorization
2 × 2 × 2 × 121 × 149 × 149
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
36058
Product of the distinct prime numbers
The prime factorization of 21490568 is 2 × 2 × 2 × 121 × 149 × 149.
Since it has a total of 6 prime factors.
2 , 10 , 71 , 82 , 525 , 379 , 931 , 2009 , 57809 , 71561 , 87761 , 277195 , 6481840 , 4903178 , 73819831 , 93393668 , 106693202 , 977320028 , 8563150824 , 1050975496
n×2
42981136
n×3
64471704
n×4
85962272
n×5
107452840
n÷2
10745284
n÷3
7163522.6666667
n÷3
5372642
n÷5
4298113.6
n2
461844512962624
n3
9.9253009112502E+21
n4
2.1330035415368E+29
n5
4.5839457653638E+36
2 √n
4635.792057459
3 √n
278.02422023853
4 √n
68.086651095931
5 √n
29.271810087293
1 , 2 , 4 , 8 , 121 , 149 , 242 , 298 , 484 , 596 , 968 , 1192 , 18029 , 22201 , 36058 , 44402 , 72116 , 88804 , 144232 , 177608 , 2686321 , 5372642 , 10745284 , 21490568
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
-21490567
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 21490568 can be divided by 24 positive divisors.
The sum of these divisors (counting 21490568) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010001111110101110001000
3
Ternary
1111102211111222
4
Quaternary
1101332232020
5
Quinary
21000144233
6
Senary
2044341212
8
Octal
121765610
10
Decimal
21490568
12
Duodecimal
7244808
16
Hexadecimal
147eb88
20
Vigesimal
6e6688
36
Base36
csm88
md5
08d1b828c8a08873ad0ba7fa67e56636
sha1
eb3083bc8c6e53218b561c38dc52716c3aedb635
sha256
151b0e2381f888fd7dfa3fabeac1306543fbe268a3e3a09687151be10366fd2d
sha512
3c2008e937120817ba5aeab0ebd55676a0febdc359a7d4cf7facc3af85755ff1cf7b86b3b0267800655499818434ff9d898a9010176e6900df1ea6f9d84bf96e
ripemd-160
c0621ff894876d7ee0829343a486e5c1664f1421
Diameter
42981136
Circumference
135029221.10054
Area
1.4509273290241E+15
Volume
4.1575003236602E+22
Surface area
5.8037093160965E+15
Circumference
135029221.10054
Perimeter
85962272
Area
461844512962624
Diagonal
30392252.728701
Surface area
2771067077775744
Volume
9.9253009112502E+21
Space diagonal
37222755.659514
Perimeter
64471704
Area
1.9998454041204E+14
Altitude
18611377.829757
Surface area
1.9998454041204E+14
Volume
1.1697079299437E+21
Height
10130750.909567