21357580 is an even 8-digits composite number following 21357579
and preceding 21357581 . In scientific notation, it is written as 2.1357580 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 8543024 positive integers (up to 21357580) that are relatively prime to 21357580.
21357580 has 12 divisors, whose sum is 44850960
The reverse of 21357580 is 08575312
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million three hundred fifty-seven thousand five hundred eighty
Scientific notation
2.1357580 × 10^7
Engineering notation
2.1357580 × 10^6
Prime Factorization
2 × 2 × 5 × 1067879
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10678790
Product of the distinct prime numbers
The prime factorization of 21357580 is 2 × 2 × 5 × 1067879.
Since it has a total of 4 prime factors.
5 , 5 , 33 , 67 , 735 , 483 , 6370 , 3415 , 55574 , 49707 , 316538 , 593711 , 9749164 , 6681597 , 52935627 , 57121854 , 857805899 , 21262116 , 9324242516 , 5339346019
n×2
42715160
n×3
64072740
n×4
85430320
n×5
106787900
n÷2
10678790
n÷3
7119193.3333333
n÷3
5339395
n÷5
4271516
n2
456146223456400
n3
9.7421794591679E+21
n4
2.0806937717354E+29
n5
4.443858368534E+36
2 √n
4621.4261867956
3 √n
277.4495430811
4 √n
67.981072268651
5 √n
29.235492097131
1 , 2 , 4 , 5 , 10 , 20 , 1067879 , 2135758 , 4271516 , 5339395 , 10678790 , 21357580
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21357579
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21357580 can be divided by 12 positive divisors.
The sum of these divisors (counting 21357580) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001011110010000001100
3
Ternary
1111012002002111
4
Quaternary
1101132100030
5
Quinary
20431420310
6
Senary
2041433404
8
Octal
121362014
10
Decimal
21357580
12
Duodecimal
719b864
16
Hexadecimal
145e40c
20
Vigesimal
6d9dj0
36
Base36
cprm4
md5
0a8ea578635fb2f23016ae4bebaef290
sha1
41659d2e5f25aff64ba28e6e054a3e5d550207e3
sha256
7dbc9db9436af0cf758c4a608383fd7f8c97d0ba7f48213aa97dee2f94d6b345
sha512
cf4ee70d1991c85d5d3bda9a78eb137c7339d15678415a3c27a69f696d0d2800c0e00889a70aac3395a6b0d66da3df91fb0cda154645a89ec437df736600f24a
ripemd-160
c771ef8691928409834a408e357870b603288191
Diameter
42715160
Circumference
134193632.85291
Area
1.4330256245734E+15
Volume
4.0807945891834E+22
Surface area
5.7321024982934E+15
Circumference
134193632.85291
Perimeter
85430320
Area
456146223456400
Diagonal
30204179.295468
Surface area
2736877340738400
Volume
9.7421794591679E+21
Space diagonal
36992413.686717
Perimeter
64072740
Area
1.9751710867679E+14
Altitude
18496206.843358
Surface area
1.9751710867679E+14
Volume
1.1481268598523E+21
Height
10068059.765156