21291610 is an even 8-digits composite number following 21291609
and preceding 21291611 . In scientific notation, it is written as 2.1291610 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 8516640 positive integers (up to 21291610) that are relatively prime to 21291610.
21291610 has 8 divisors, whose sum is 38324916
The reverse of 21291610 is 01619212
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million two hundred ninety-one thousand six hundred ten
Scientific notation
2.1291610 × 10^7
Engineering notation
2.1291610 × 10^6
Prime Factorization
2 × 5 × 2129161
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21291610
Product of the distinct prime numbers
The prime factorization of 21291610 is 2 × 5 × 2129161.
Since it has a total of 3 prime factors.
2 , 6 , 20 , 40 , 310 , 397 , 1604 , 6394 , 78182 , 85021 , 126183 , 273568 , 9077812 , 4172286 , 79843517 , 13204801 , 216189078 , 413603357 , 1499196489 , 2428659578
n×2
42583220
n×3
63874830
n×4
85166440
n×5
106458050
n÷2
10645805
n÷3
7097203.3333333
n÷3
5322902.5
n÷5
4258322
n2
453332656392100
n3
9.6521821201646E+21
n4
2.0551049735152E+29
n5
4.3756493605145E+36
2 √n
4614.283259619
3 √n
277.16358334081
4 √n
67.928515806096
5 √n
29.217409029951
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21291609
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21291610 can be divided by 8 positive divisors.
The sum of these divisors (counting 21291610) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001001110001001011010
3
Ternary
1111001201121011
4
Quaternary
1101032021122
5
Quinary
20422312420
6
Senary
2040204134
8
Octal
121161132
10
Decimal
21291610
12
Duodecimal
716964a
16
Hexadecimal
144e25a
20
Vigesimal
6d190a
36
Base36
cocpm
md5
4d0558339d24976104957461e6ec9c44
sha1
6ef6c4f6910f8c50dce3725c7f10d747313393f1
sha256
1377ef9720e516a45d112d3a105e436b6f3d66e0ca3373cfa524341f7b3685ed
sha512
e192742f2272e49b3ec6a76b6039859bbdc59de4f08a44e4c33086ca685f72fa7518dd2ac56bb0f498f9a41a17692dec1033e3dbd5a9aa4a4e4f4e98bace3a68
ripemd-160
36fe390016c1dfd5247e439079bd3b097308d778
Diameter
42583220
Circumference
133779131.1182
Area
1.4241865429538E+15
Volume
4.043096591976E+22
Surface area
5.6967461718151E+15
Circumference
133779131.1182
Perimeter
85166440
Area
453332656392100
Diagonal
30110883.626759
Surface area
2719995938352600
Volume
9.6521821201646E+21
Space diagonal
36878150.294942
Perimeter
63874830
Area
1.9629879840032E+14
Altitude
18439075.147471
Surface area
1.9629879840032E+14
Volume
1.137520571736E+21
Height
10036961.20892