21492884 is an even 8-digits composite number following 21492883
and preceding 21492885 . In scientific notation, it is written as 2.1492884 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 9211224 positive integers (up to 21492884) that are relatively prime to 21492884.
21492884 has 12 divisors, whose sum is 42985824
The reverse of 21492884 is 48829412
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million four hundred ninety-two thousand eight hundred eighty-four
Scientific notation
2.1492884 × 10^7
Engineering notation
2.1492884 × 10^6
Prime Factorization
2 × 2 × 7 × 767603
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10746442
Product of the distinct prime numbers
The prime factorization of 21492884 is 2 × 2 × 7 × 767603.
Since it has a total of 4 prime factors.
2 , 4 , 65 , 47 , 702 , 783 , 80 , 2931 , 16431 , 22469 , 217828 , 414755 , 8790109 , 2727329 , 2451177 , 88672389 , 942637202 , 860551114 , 2609014390 , 7026645413
n×2
42985768
n×3
64478652
n×4
85971536
n×5
107464420
n÷2
10746442
n÷3
7164294.6666667
n÷3
5373221
n÷5
4298576.8
n2
461944062637456
n3
9.9285101527556E+21
n4
2.13392317006E+29
n5
4.5864163159011E+36
2 √n
4636.0418462305
3 √n
278.03420727044
4 √n
68.088485415894
5 √n
29.272440974201
1 , 2 , 4 , 7 , 14 , 28 , 767603 , 1535206 , 3070412 , 5373221 , 10746442 , 21492884
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
-21492883
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 21492884 can be divided by 12 positive divisors.
The sum of these divisors (counting 21492884) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001111111010010010100
3
Ternary
1111102221200202
4
Quaternary
1101333102110
5
Quinary
21000233014
6
Senary
2044400032
8
Octal
121772224
10
Decimal
21492884
12
Duodecimal
7246018
16
Hexadecimal
147f494
20
Vigesimal
6e6c44
36
Base36
cso0k
md5
2904a5cf1d7c4b2cd583e0fca73f7b7c
sha1
68a44300d9e8c8f38d34ca7255ed19733451f615
sha256
efdb313c84049249e3acb44388f31b5dbfd9385059a04fb920e614261516ebad
sha512
11419066ea0639d6b483e5ef8dd94cf6b1e5723f1e96522521bf3dfd0104bec66a5485fb0b1cf00dfa542c339b31180557b8e2700bd01642d4e794fbac2c1c5f
ripemd-160
029874764cfd6fcd497434002f2d00b759c23dcd
Diameter
42985768
Circumference
135043772.95772
Area
1.4512400735513E+15
Volume
4.1588446075985E+22
Surface area
5.804960294205E+15
Circumference
135043772.95772
Perimeter
85971536
Area
461944062637456
Diagonal
30395528.047312
Surface area
2771664375824736
Volume
9.9285101527556E+21
Space diagonal
37226767.089184
Perimeter
64478652
Area
2.0002764668571E+14
Altitude
18613383.544592
Surface area
2.0002764668571E+14
Volume
1.1700861426822E+21
Height
10131842.682437