21494828 is an even 8-digits composite number following 21494827
and preceding 21494829 . In scientific notation, it is written as 2.1494828 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 6 positive divisors.
There are 10747412 positive integers (up to 21494828) that are relatively prime to 21494828.
21494828 has 6 divisors, whose sum is 37615956
The reverse of 21494828 is 82849412
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million four hundred ninety-four thousand eight hundred twenty-eight
Scientific notation
2.1494828 × 10^7
Engineering notation
2.1494828 × 10^6
Prime Factorization
2 × 2 × 5373707
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10747414
Product of the distinct prime numbers
The prime factorization of 21494828 is 2 × 2 × 5373707.
Since it has a total of 3 prime factors.
5 , 3 , 55 , 92 , 728 , 740 , 6433 , 681 , 43086 , 49420 , 283383 , 608496 , 3674723 , 3753500 , 41635184 , 65611245 , 714493756 , 24748309 , 7193357634 , 2773786799
n×2
42989656
n×3
64484484
n×4
85979312
n×5
107474140
n÷2
10747414
n÷3
7164942.6666667
n÷3
5373707
n÷5
4298965.6
n2
462027630749584
n3
9.9312044542098E+21
n4
2.1346953157607E+29
n5
4.5884908644683E+36
2 √n
4636.2515031003
3 √n
278.04258961385
4 √n
68.090024989717
5 √n
29.272970484959
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21494827
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21494828 can be divided by 6 positive divisors.
The sum of these divisors (counting 21494828) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1010001111111110000101100
3
Ternary
1111110001100202
4
Quaternary
1101333300230
5
Quinary
21000313303
6
Senary
2044413032
8
Octal
121776054
10
Decimal
21494828
12
Duodecimal
7247178
16
Hexadecimal
147fc2c
20
Vigesimal
6e6h18
36
Base36
cspik
md5
da24b6d6dcd672b330ce6e77643833be
sha1
ba59094a62fc4b967e5405c16e0d8fc8a6ed3445
sha256
27453e08f1acaa5f42a6c5a7f7ab6a6909009672b27369e14431805f53fc176e
sha512
4c7653dba3a23a06d43306b2cc4927410a04032c4f5036c73828350df4f3b2c3e525a74efb324c398d62c6e36d9e7e04398a7ad22e0d3cb6c0189cb911599ce0
ripemd-160
fb98f705e61cf764ea2a918dd90129413175e9c9
Diameter
42989656
Circumference
135055987.46995
Area
1.4515026105184E+15
Volume
4.1599731939525E+22
Surface area
5.8060104420736E+15
Circumference
135055987.46995
Perimeter
85979312
Area
462027630749584
Diagonal
30398277.278477
Surface area
2772165784497504
Volume
9.9312044542098E+21
Space diagonal
37230134.195954
Perimeter
64484484
Area
2.0006383273974E+14
Altitude
18615067.097977
Surface area
2.0006383273974E+14
Volume
1.1704036691536E+21
Height
10132759.092826