21492810 is an even 8-digits composite number following 21492809
and preceding 21492811 . In scientific notation, it is written as 2.1492810 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 5480640 positive integers (up to 21492810) that are relatively prime to 21492810.
21492810 has 32 divisors, whose sum is 41876352
The reverse of 21492810 is 01829412
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million four hundred ninety-two thousand eight hundred ten
Scientific notation
2.1492810 × 10^7
Engineering notation
2.1492810 × 10^6
Prime Factorization
2 × 27 × 5 × 23 × 3461
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21492810
Product of the distinct prime numbers
The prime factorization of 21492810 is 2 × 27 × 5 × 23 × 3461.
Since it has a total of 5 prime factors.
2 , 10 , 53 , 58 , 917 , 557 , 6804 , 1604 , 9151 , 72669 , 49916 , 148553 , 4401842 , 8602449 , 42073080 , 17312607 , 266057393 , 518253313 , 1822056801 , 4785295268
n×2
42985620
n×3
64478430
n×4
85971240
n×5
107464050
n÷2
10746405
n÷3
7164270
n÷3
5373202.5
n÷5
4298562
n2
461940881696100
n3
9.9284076015268E+21
n4
2.1338937818217E+29
n5
4.5863373612875E+36
2 √n
4636.0338652775
3 √n
278.03388817948
4 √n
68.088426808655
5 √n
29.27242081717
1 , 2 , 5 , 10 , 23 , 27 , 46 , 54 , 115 , 135 , 230 , 270 , 621 , 1242 , 3105 , 3461 , 6210 , 6922 , 17305 , 34610 , 79603 , 93447 , 159206 , 186894 , 398015 , 467235 , 796030 , 934470 , 2149281 , 4298562 , 10746405 , 21492810
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21492809
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21492810 can be divided by 32 positive divisors.
The sum of these divisors (counting 21492810) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001111111010001001010
3
Ternary
1111102221121000
4
Quaternary
1101333101022
5
Quinary
21000232220
6
Senary
2044355430
8
Octal
121772112
10
Decimal
21492810
12
Duodecimal
7245b76
16
Hexadecimal
147f44a
20
Vigesimal
6e6c0a
36
Base36
csnyi
md5
30e2ae21cf612a10763babe0e010b798
sha1
2b806233d3057fc18e040d999941528679474f25
sha256
241c4a14d93d06499ebe63ea167ab872504f158df1f15b252cd6db5190e6b17a
sha512
439b793b567b3e44f149762564cec9b4db6a88083241de211367c155aa41e1da7029c60d251e4804715cdf095a672c12cc4b8258efe920dcc7744d3812d7d5bf
ripemd-160
56f0c4d0c1b24717bc8ce11a9ac90849aed040a0
Diameter
42985620
Circumference
135043308.002
Area
1.4512300803293E+15
Volume
4.1588016510402E+22
Surface area
5.804920321317E+15
Circumference
135043308.002
Perimeter
85971240
Area
461940881696100
Diagonal
30395423.395508
Surface area
2771645290176600
Volume
9.9284076015268E+21
Space diagonal
37226638.917424
Perimeter
64478430
Area
2.000262692977E+14
Altitude
18613319.458712
Surface area
2.000262692977E+14
Volume
1.1700740569039E+21
Height
10131807.798503