21082839 is an odd 8-digits composite number following 21082838
and preceding 21082840 . In scientific notation, it is written as 2.1082839 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 12 positive divisors.
There are 13227904 positive integers (up to 21082839) that are relatively prime to 21082839.
21082839 has 12 divisors, whose sum is 29862504
The reverse of 21082839 is 93828012
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million eighty-two thousand eight hundred thirty-nine
Scientific notation
2.1082839 × 10^7
Engineering notation
2.1082839 × 10^6
Prime Factorization
3 × 17 × 17 × 24317
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1240167
Product of the distinct prime numbers
The prime factorization of 21082839 is 3 × 17 × 17 × 24317.
Since it has a total of 4 prime factors.
3 , 1 , 88 , 65 , 344 , 342 , 3488 , 3408 , 26389 , 82942 , 931013 , 261008 , 8269327 , 5387989 , 93605940 , 66968489 , 172287128 , 654506923 , 9956618227 , 8326339883
n×2
42165678
n×3
63248517
n×4
84331356
n×5
105414195
n÷2
10541419.5
n÷3
7027613
n÷3
5270709.75
n÷5
4216567.8
n2
444486100299921
n3
9.3710288903611E+21
n4
1.9756789335983E+29
n5
4.1652920872745E+36
2 √n
4591.6052748467
3 √n
276.25471392351
4 √n
67.761384835662
5 √n
29.159885776342
1 , 3 , 17 , 51 , 289 , 867 , 24317 , 72951 , 413389 , 1240167 , 7027613 , 21082839
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
-21082838
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 21082839 can be divided by 12 positive divisors.
The sum of these divisors (counting 21082839) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000011011001011010111
3
Ternary
1110200010012220
4
Quaternary
1100123023113
5
Quinary
20344122324
6
Senary
2031513423
8
Octal
120331327
10
Decimal
21082839
12
Duodecimal
7088873
16
Hexadecimal
141b2d7
20
Vigesimal
6bf71j
36
Base36
cjvmf
md5
8a9e5815480ef65495f36f700991ab25
sha1
9d23a58e774a228822ec537ab65ea5d426827111
sha256
4bb1ab040d71bf744207a3d588a28db4eb35194dec9559503df62bdca1b40252
sha512
571b93a770c548178d62ddba507793766e0f9fa3799f456935a4a3cd3ef47aa98c03b8ffa8d40fe83973850f95f0d6a932cd9236e8806f424263fb0395c8c3f2
ripemd-160
91583985b07f1da5a7fc387a4201149edbebab44
Diameter
42165678
Circumference
132467384.23843
Area
1.396394267325E+15
Volume
3.9253274024715E+22
Surface area
5.5855770693E+15
Circumference
132467384.23843
Perimeter
84331356
Area
444486100299921
Diagonal
29815636.847128
Surface area
2666916601799526
Volume
9.3710288903611E+21
Space diagonal
36516548.315795
Perimeter
63248517
Area
1.924681272444E+14
Altitude
18258274.157897
Surface area
1.924681272444E+14
Volume
1.1043863458449E+21
Height
9938545.6157095