21354906 is an even 8-digits composite number following 21354905
and preceding 21354907 . In scientific notation, it is written as 2.1354906 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 7118300 positive integers (up to 21354906) that are relatively prime to 21354906.
21354906 has 8 divisors, whose sum is 42709824
The reverse of 21354906 is 60945312
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million three hundred fifty-four thousand nine hundred six
Scientific notation
2.1354906 × 10^7
Engineering notation
2.1354906 × 10^6
Prime Factorization
2 × 3 × 3559151
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21354906
Product of the distinct prime numbers
The prime factorization of 21354906 is 2 × 3 × 3559151.
Since it has a total of 3 prime factors.
3 , 4 , 60 , 7 , 793 , 231 , 7132 , 2974 , 4114 , 57041 , 323225 , 50990 , 7833212 , 8593220 , 75195231 , 62095525 , 314126294 , 816367822 , 6785909190 , 5682719052
n×2
42709812
n×3
64064718
n×4
85419624
n×5
106774530
n÷2
10677453
n÷3
7118302
n÷3
5338726.5
n÷5
4270981.2
n2
456032010268836
n3
9.738520712282E+21
n4
2.0796519438984E+29
n5
4.4410771774667E+36
2 √n
4621.1368731082
3 √n
277.43796356939
4 √n
67.978944336524
5 √n
29.234759995261
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
-21354905
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 21354906 can be divided by 8 positive divisors.
The sum of these divisors (counting 21354906) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001011101100110011010
3
Ternary
1111011221102110
4
Quaternary
1101131212122
5
Quinary
20431324111
6
Senary
2041413150
8
Octal
121354632
10
Decimal
21354906
12
Duodecimal
719a1b6
16
Hexadecimal
145d99a
20
Vigesimal
6d9756
36
Base36
cppju
md5
620a4bad38b6e9bef7d5255878680c02
sha1
db80591ae9a57f794b217d1d3e62ec0b70498093
sha256
e33242a54a62e325127413a57c41a389b4a1e376ac7bc41c018a092ea8556958
sha512
66cdf6a2f8d00fd5e8a6608a39311049b1ad9424239268b9a01ea184657b220c840f6456090148c1ea2891e3dca7fb14da4f0ab81e0915b8384a4d86515fae25
ripemd-160
02606e77e48c4c86c6d5256cb261269ce8ccb79d
Diameter
42709812
Circumference
134176831.6154
Area
1.4326668132624E+15
Volume
4.0792620168716E+22
Surface area
5.7306672530494E+15
Circumference
134176831.6154
Perimeter
85419624
Area
456032010268836
Diagonal
30200397.688403
Surface area
2736192061613016
Volume
9.738520712282E+21
Space diagonal
36987782.182857
Perimeter
64064718
Area
1.9746765291585E+14
Altitude
18493891.091429
Surface area
1.9746765291585E+14
Volume
1.1476956723967E+21
Height
10066799.229468