21909708 is an even 8-digits composite number following 21909707
and preceding 21909709 . In scientific notation, it is written as 2.1909708 × 10^7.
The sum of its digits is 36. It has a total of 6 prime factors and 36 positive divisors.
There are 6824928 positive integers (up to 21909708) that are relatively prime to 21909708.
21909708 has 36 divisors, whose sum is 55532568
The reverse of 21909708 is 80790912
Previous prime number is 1081
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million nine hundred nine thousand seven hundred eight
Scientific notation
2.1909708 × 10^7
Engineering notation
2.1909708 × 10^6
Prime Factorization
2 × 2 × 3 × 3 × 1081 × 563
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3651618
Product of the distinct prime numbers
The prime factorization of 21909708 is 2 × 2 × 3 × 3 × 1081 × 563.
Since it has a total of 6 prime factors.
8 , 2 , 4 , 79 , 674 , 28 , 2602 , 2794 , 18246 , 19233 , 150719 , 110502 , 200396 , 3812202 , 89949662 , 94470382 , 342175122 , 59094728 , 3422141600 , 9578426914
n×2
43819416
n×3
65729124
n×4
87638832
n×5
109548540
n÷2
10954854
n÷3
7303236
n÷3
5477427
n÷5
4381941.6
n2
480035304645264
n3
1.0517433354469E+22
n4
2.3043389370587E+29
n5
5.0487393243987E+36
2 √n
4680.7807041134
3 √n
279.82007147719
4 √n
68.416231291364
5 √n
29.385109805556
1 , 2 , 3 , 4 , 6 , 9 , 12 , 18 , 36 , 563 , 1081 , 1126 , 1689 , 2162 , 2252 , 3243 , 3378 , 4324 , 5067 , 6486 , 6756 , 9729 , 10134 , 12972 , 19458 , 20268 , 38916 , 608603 , 1217206 , 1825809 , 2434412 , 3651618 , 5477427 , 7303236 , 10954854 , 21909708
36 divisors
τ
Total Divisors
36
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21909707
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.027777777777778
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
36
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21909708 can be divided by 36 positive divisors.
The sum of these divisors (counting 21909708) is 1, the average is 0.027777777777778.
Base
System
Value
2
Binary
1010011100101000011001100
3
Ternary
1112020010110200
4
Quaternary
1103211003030
5
Quinary
21102102313
6
Senary
2101333500
8
Octal
123450314
10
Decimal
21909708
12
Duodecimal
7407290
16
Hexadecimal
14e50cc
20
Vigesimal
6gie58
36
Base36
d1ln0
md5
8ea9bea276c3bd67c9e4fa0f18ff06ef
sha1
45048a0b6c9c08d6d718f02e076da36845b40380
sha256
3f6aaa8e57647626fa1c0f36ce1f9bc3eae012c0881c64b34492f726659238bc
sha512
c6bee13ebbd9092a2cfccd6313500fd08cb01852477e4d4767e8d774cdc7b542ee0c1c48567508e5eab580772e9d6b85226200dee02a6b8a8d804a8a9dc1c438
ripemd-160
b080c30bafb1f232ab3be1b05d9f26ff2fbe4366
Diameter
43819416
Circumference
137662755.3902
Area
1.5080753865373E+15
Volume
4.4055321814692E+22
Surface area
6.0323015461492E+15
Circumference
137662755.3902
Perimeter
87638832
Area
480035304645264
Diagonal
30985006.201234
Surface area
2880211827871584
Volume
1.0517433354469E+22
Space diagonal
37948727.434998
Perimeter
65729124
Area
2.078613842681E+14
Altitude
18974363.717499
Surface area
2.078613842681E+14
Volume
1.2394914076037E+21
Height
10328335.400411