21494939 is an odd 8-digits composite number following 21494938
and preceding 21494940 . In scientific notation, it is written as 2.1494939 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 21130560 positive integers (up to 21494939) that are relatively prime to 21494939.
21494939 has 4 divisors, whose sum is 21859320
The reverse of 21494939 is 93949412
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty-one million four hundred ninety-four thousand nine hundred thirty-nine
Scientific notation
2.1494939 × 10^7
Engineering notation
2.1494939 × 10^6
Prime Factorization
59 × 364321
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21494939
Product of the distinct prime numbers
The prime factorization of 21494939 is 59 × 364321.
Since it has a total of 2 prime factors.
10 , 3 , 73 , 62 , 372 , 283 , 4277 , 9962 , 2333 , 15906 , 768819 , 550812 , 8133511 , 5056941 , 80944379 , 58183399 , 436113123 , 943559907 , 7518922757 , 5156779239
n×2
42989878
n×3
64484817
n×4
85979756
n×5
107474695
n÷2
10747469.5
n÷3
7164979.6666667
n÷3
5373734.75
n÷5
4298987.8
n2
462032402613721
n3
9.9313583102054E+21
n4
2.1347394106501E+29
n5
4.5886093412819E+36
2 √n
4636.2634739626
3 √n
278.04306822006
4 √n
68.09011289433
5 √n
29.273000718214
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21494938
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21494939 can be divided by 4 positive divisors.
The sum of these divisors (counting 21494939) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001111111110010011011
3
Ternary
1111110001111212
4
Quaternary
1101333302123
5
Quinary
21000314224
6
Senary
2044413335
8
Octal
121776233
10
Decimal
21494939
12
Duodecimal
724724b
16
Hexadecimal
147fc9b
20
Vigesimal
6e6h6j
36
Base36
cspln
md5
c949d657b7e7c9df97d969bff96c8ac0
sha1
15af914e8f1c28e43d8d136bfedbe200990d6756
sha256
e2a8386e7884db85d556252b7c1d8d9ed056dc6badcf09e148083d4caf347d17
sha512
b21c5881ef64b87b5173934240137065d429e4b91dc72a69c4b768b3ee2fa2d67211952f7564eb9b69298a1f244f9e152c4aa74d8c974ed4708c884ef1208d6c
ripemd-160
159363a4f52ce8c8e148ef79f9e61076917cea8d
Diameter
42989878
Circumference
135056684.90352
Area
1.4515176017717E+15
Volume
4.1600376410012E+22
Surface area
5.8060704070868E+15
Circumference
135056684.90352
Perimeter
85979756
Area
462032402613721
Diagonal
30398434.256182
Surface area
2772194415682326
Volume
9.9313583102054E+21
Space diagonal
37230326.453594
Perimeter
64484817
Area
2.0006589901752E+14
Altitude
18615163.226797
Surface area
2.0006589901752E+14
Volume
1.1704218012566E+21
Height
10132811.418727