21909076 is an even 8-digits composite number following 21909075
and preceding 21909077 . In scientific notation, it is written as 2.1909076 × 10^7.
The sum of its digits is 34. It has a total of 5 prime factors and 18 positive divisors.
There are 9389520 positive integers (up to 21909076) that are relatively prime to 21909076.
21909076 has 18 divisors, whose sum is 44601018
The reverse of 21909076 is 67090912
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million nine hundred nine thousand seventy-six
Scientific notation
2.1909076 × 10^7
Engineering notation
2.1909076 × 10^6
Prime Factorization
2 × 2 × 7 × 7 × 111781
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1564934
Product of the distinct prime numbers
The prime factorization of 21909076 is 2 × 2 × 7 × 7 × 111781.
Since it has a total of 5 prime factors.
8 , 6 , 86 , 99 , 285 , 9 , 821 , 7811 , 68276 , 89227 , 115378 , 673242 , 3102155 , 3979345 , 40321574 , 63881772 , 738284936 , 282112350 , 1089684284 , 5906562147
n×2
43818152
n×3
65727228
n×4
87636304
n×5
109545380
n÷2
10954538
n÷3
7303025.3333333
n÷3
5477269
n÷5
4381815.2
n2
480007611173776
n3
1.0516523233785E+22
n4
2.3040730678475E+29
n5
5.0480111953025E+36
2 √n
4680.7131935208
3 √n
279.81738091972
4 √n
68.41573790818
5 √n
29.384940277019
1 , 2 , 4 , 7 , 14 , 28 , 49 , 98 , 196 , 111781 , 223562 , 447124 , 782467 , 1564934 , 3129868 , 5477269 , 10954538 , 21909076
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21909075
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21909076 can be divided by 18 positive divisors.
The sum of these divisors (counting 21909076) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
1010011100100111001010100
3
Ternary
1112020002121021
4
Quaternary
1103210321110
5
Quinary
21102042301
6
Senary
2101330524
8
Octal
123447124
10
Decimal
21909076
12
Duodecimal
7406a44
16
Hexadecimal
14e4e54
20
Vigesimal
6gicdg
36
Base36
d1l5g
md5
34f85581e9243e1a9527e64cc09bdcb5
sha1
b7120da1fe09d6de471ef474ace2668db8acbd61
sha256
842fa78111fd3bbcd904d523230c0a974305a2fd61779b24f86de3f2b8d936dc
sha512
9409f7eec23cd2ef87f6c0859c2c5bdf671377924b434592b5f43e1e6721ac0c952abc5c9cbe5fe7cbbf13c066af47fb5a5180f0b65c1ad3e5780af6a00d5ac7
ripemd-160
4690ac81f05fd4aaf5dd50b90af101883c41ddc3
Diameter
43818152
Circumference
137658784.41708
Area
1.5079883849307E+15
Volume
4.4051509510086E+22
Surface area
6.0319535397229E+15
Circumference
137658784.41708
Perimeter
87636304
Area
480007611173776
Diagonal
30984112.418263
Surface area
2880045667042656
Volume
1.0516523233785E+22
Space diagonal
37947632.778888
Perimeter
65727228
Area
2.0784939264319E+14
Altitude
18973816.389444
Surface area
2.0784939264319E+14
Volume
1.2393841488525E+21
Height
10328037.472754