21490941 is an odd 8-digits composite number following 21490940
and preceding 21490942 . In scientific notation, it is written as 2.1490941 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 13319424 positive integers (up to 21490941) that are relatively prime to 21490941.
21490941 has 16 divisors, whose sum is 30711744
The reverse of 21490941 is 14909412
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million four hundred ninety thousand nine hundred forty-one
Scientific notation
2.1490941 × 10^7
Engineering notation
2.1490941 × 10^6
Prime Factorization
3 × 17 × 83 × 5077
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21490941
Product of the distinct prime numbers
The prime factorization of 21490941 is 3 × 17 × 83 × 5077.
Since it has a total of 4 prime factors.
3 , 6 , 56 , 20 , 494 , 506 , 7716 , 305 , 64897 , 3022 , 872728 , 515764 , 7768066 , 6655661 , 43447746 , 56517658 , 558078220 , 534628585 , 3096404791 , 9637137518
n×2
42981882
n×3
64472823
n×4
85963764
n×5
107454705
n÷2
10745470.5
n÷3
7163647
n÷3
5372735.25
n÷5
4298188.2
n2
461860545065481
n3
9.9258177242301E+21
n4
2.1331516308818E+29
n5
4.5843435843335E+36
2 √n
4635.8322877343
3 √n
278.02582873386
4 √n
68.086946529671
5 √n
29.271911697538
1 , 3 , 17 , 51 , 83 , 249 , 1411 , 4233 , 5077 , 15231 , 86309 , 258927 , 421391 , 1264173 , 7163647 , 21490941
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
-21490940
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 21490941 can be divided by 16 positive divisors.
The sum of these divisors (counting 21490941) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111110110011111101
3
Ternary
1111102212000210
4
Quaternary
1101332303331
5
Quinary
21000202231
6
Senary
2044343033
8
Octal
121766375
10
Decimal
21490941
12
Duodecimal
7244a79
16
Hexadecimal
147ecfd
20
Vigesimal
6e6771
36
Base36
csmil
md5
2b65dc8ec0acac559a0d0c32f22e422e
sha1
c70a8f8969d3010f536bfaef84c52fd59bf33921
sha256
fe9004d99b4345b90da8f81762db780ac0340ac8db607de3199084a8ef51f20b
sha512
13c432c34b441747893879096faa6f2b6b25eff4dbb5c99b8982dacab269a58bc295b98e95addbe24f29a1710e59ea93965845c61218902b48360052ac00c376
ripemd-160
1d3f5ba643e48370ce8d264fc94588647bd24fdd
Diameter
42981882
Circumference
135031564.72866
Area
1.4509776953607E+15
Volume
4.157716805775E+22
Surface area
5.8039107814428E+15
Circumference
135031564.72866
Perimeter
85963764
Area
461860545065481
Diagonal
30392780.23036
Surface area
2771163270392886
Volume
9.9258177242301E+21
Space diagonal
37223401.714465
Perimeter
64472823
Area
1.9999148251622E+14
Altitude
18611700.857233
Surface area
1.9999148251622E+14
Volume
1.1697688369375E+21
Height
10130926.743453