21409660 is an even 8-digits composite number following 21409659
and preceding 21409661 . In scientific notation, it is written as 2.1409660 × 10^7.
The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors.
There are 8495424 positive integers (up to 21409660) that are relatively prime to 21409660.
21409660 has 24 divisors, whose sum is 45319680
The reverse of 21409660 is 06690412
Previous prime number is 127
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million four hundred nine thousand six hundred sixty
Scientific notation
2.1409660 × 10^7
Engineering notation
2.1409660 × 10^6
Prime Factorization
2 × 2 × 5 × 127 × 8429
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10704830
Product of the distinct prime numbers
The prime factorization of 21409660 is 2 × 2 × 5 × 127 × 8429.
Since it has a total of 5 prime factors.
3 , 6 , 100 , 88 , 760 , 998 , 4385 , 1806 , 59933 , 45469 , 74596 , 655645 , 8597209 , 4507467 , 76619330 , 2984448 , 524900782 , 960884113 , 6075740684 , 4300149005
n×2
42819320
n×3
64228980
n×4
85638640
n×5
107048300
n÷2
10704830
n÷3
7136553.3333333
n÷3
5352415
n÷5
4281932
n2
458373541315600
n3
9.8136216725629E+21
n4
2.101063033782E+29
n5
4.4983045191842E+36
2 √n
4627.0573802364
3 √n
277.67487827198
4 √n
68.022477022205
5 √n
29.249736234171
1 , 2 , 4 , 5 , 10 , 20 , 127 , 254 , 508 , 635 , 1270 , 2540 , 8429 , 16858 , 33716 , 42145 , 84290 , 168580 , 1070483 , 2140966 , 4281932 , 5352415 , 10704830 , 21409660
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
-21409659
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 21409660 can be divided by 24 positive divisors.
The sum of these divisors (counting 21409660) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010001101010111101111100
3
Ternary
1111021201112101
4
Quaternary
1101222331330
5
Quinary
20440102120
6
Senary
2042514444
8
Octal
121527574
10
Decimal
21409660
12
Duodecimal
7205a24
16
Hexadecimal
146af7c
20
Vigesimal
6dg430
36
Base36
cqvss
md5
4a805481d4e15af704a37b4e51f78add
sha1
d996e5803e2aeedfa189818b86520b9d5c1a5ecf
sha256
38c78bee0a7cd91b2f93eb20c446e295d3a49c4569f1d6d5e0aa4837484cdf0e
sha512
128df6e5fe3f7454df000606accd09e11e04a5ce55f9bf6d6dc76d4c010a7ed9c372d39cf237413428647405e45c7f6aa238c409cd4717a062a886a7a7c9038c
ripemd-160
98d4f3c1dd596ea30f8aee970ad7d9d2d4ea303c
Diameter
42819320
Circumference
134520861.14371
Area
1.440022949997E+15
Volume
4.1107202335511E+22
Surface area
5.7600917999881E+15
Circumference
134520861.14371
Perimeter
85638640
Area
458373541315600
Diagonal
30277831.537797
Surface area
2750241247893600
Volume
9.8136216725629E+21
Space diagonal
37082618.892775
Perimeter
64228980
Area
1.9848156560097E+14
Altitude
18541309.446388
Surface area
1.9848156560097E+14
Volume
1.1565464054448E+21
Height
10092610.512599