21082889 is an odd 8-digits composite number following 21082888
and preceding 21082890 . In scientific notation, it is written as 2.1082889 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 20711376 positive integers (up to 21082889) that are relatively prime to 21082889.
21082889 has 8 divisors, whose sum is 21457920
The reverse of 21082889 is 98828012
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million eighty-two thousand eight hundred eighty-nine
Scientific notation
2.1082889 × 10^7
Engineering notation
2.1082889 × 10^6
Prime Factorization
109 × 127 × 1523
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21082889
Product of the distinct prime numbers
The prime factorization of 21082889 is 109 × 127 × 1523.
Since it has a total of 3 prime factors.
8 , 4 , 26 , 72 , 528 , 387 , 2579 , 3616 , 28581 , 18954 , 522972 , 849198 , 7772971 , 360777 , 39675703 , 62990634 , 328283063 , 385417991 , 4296827698 , 7537068912
n×2
42165778
n×3
63248667
n×4
84331556
n×5
105414445
n÷2
10541444.5
n÷3
7027629.6666667
n÷3
5270722.25
n÷5
4216577.8
n2
444488208586321
n3
9.3710955634343E+21
n4
1.9756976757228E+29
n5
4.1653414794821E+36
2 √n
4591.6107195624
3 √n
276.25493231163
4 √n
67.761425011302
5 √n
29.159899607429
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
-21082888
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 21082889 can be divided by 8 positive divisors.
The sum of these divisors (counting 21082889) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000011011001100001001
3
Ternary
1110200010021202
4
Quaternary
1100123030021
5
Quinary
20344123024
6
Senary
2031513545
8
Octal
120331411
10
Decimal
21082889
12
Duodecimal
70888b5
16
Hexadecimal
141b309
20
Vigesimal
6bf749
36
Base36
cjvnt
md5
7533d465d5ae937019d6ad898b39dd8c
sha1
5da72109a69df244c76fd71bc08ab2dfa17471a3
sha256
244466bab4b4dba909580b9698be644982bb340b1e461205d9410e4cc7e1ce6f
sha512
d0bf68b820fa6e8bff46f43a6fd7a4f05021b69f85e7bf43a32154a7fa8438384f0dc0a2629062874c786ba9834e4d764209fe37efe35a3386968e64fc0205fc
ripemd-160
1596999b7f06885e95fb633d0c3a6295ebc8b2f9
Diameter
42165778
Circumference
132467698.3977
Area
1.3964008907021E+15
Volume
3.9253553304231E+22
Surface area
5.5856035628083E+15
Circumference
132467698.3977
Perimeter
84331556
Area
444488208586321
Diagonal
29815707.557807
Surface area
2666929251517926
Volume
9.3710955634343E+21
Space diagonal
36516634.918335
Perimeter
63248667
Area
1.924690401592E+14
Altitude
18258317.459167
Surface area
1.924690401592E+14
Volume
1.1043942033419E+21
Height
9938569.1859355