21490841 is an odd 8-digits composite number following 21490840
and preceding 21490842 . In scientific notation, it is written as 2.1490841 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 20991012 positive integers (up to 21490841) that are relatively prime to 21490841.
21490841 has 4 divisors, whose sum is 21990672
The reverse of 21490841 is 14809412
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million four hundred ninety thousand eight hundred forty-one
Scientific notation
2.1490841 × 10^7
Engineering notation
2.1490841 × 10^6
Prime Factorization
43 × 499787
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21490841
Product of the distinct prime numbers
The prime factorization of 21490841 is 43 × 499787.
Since it has a total of 2 prime factors.
10 , 9 , 70 , 98 , 583 , 85 , 2076 , 3075 , 7189 , 11880 , 54614 , 434661 , 5548356 , 8818041 , 84437914 , 34625111 , 31048728 , 956601707 , 5012009198 , 348254759
n×2
42981682
n×3
64472523
n×4
85963364
n×5
107454205
n÷2
10745420.5
n÷3
7163613.6666667
n÷3
5372710.25
n÷5
4298168.2
n2
461856246887281
n3
9.9256791667113E+21
n4
2.1331119278881E+29
n5
4.5842369277446E+36
2 √n
4635.821502172
3 √n
278.02539750369
4 √n
68.086867325292
5 √n
29.271884456324
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21490840
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21490841 can be divided by 4 positive divisors.
The sum of these divisors (counting 21490841) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001111110110010011001
3
Ternary
1111102211220002
4
Quaternary
1101332302121
5
Quinary
21000201331
6
Senary
2044342345
8
Octal
121766231
10
Decimal
21490841
12
Duodecimal
72449b5
16
Hexadecimal
147ec99
20
Vigesimal
6e6721
36
Base36
csmft
md5
5a716849f5340dc6344a9fc93dd5a8ca
sha1
4975985c8e898fdb1664059e28af33b8d59b2c81
sha256
500e2eb291ccb07b2ec7a74730b8fdf5f1c5cce194b2b887d7708dfc6cdb9d68
sha512
9ad191b215359b96d300410ccd8e90e24051d81abf025a8ac1654c33f2e167cc3332ed9cd42b951a037109a4175b2758830ad050b64c2b52fb2efcbd7ca7750c
ripemd-160
19ba9c935a036799b673281d23cab93df32c66fa
Diameter
42981682
Circumference
135030936.41013
Area
1.4509641922356E+15
Volume
4.1576587669373E+22
Surface area
5.8038567689425E+15
Circumference
135030936.41013
Perimeter
85963364
Area
461856246887281
Diagonal
30392638.809004
Surface area
2771137481323686
Volume
9.9256791667113E+21
Space diagonal
37223228.509384
Perimeter
64472523
Area
1.9998962135046E+14
Altitude
18611614.254692
Surface area
1.9998962135046E+14
Volume
1.1697525077773E+21
Height
10130879.603001