21494849 is an odd 8-digits prime number following 21494848
and preceding 21494850 . In scientific notation, it is written as 2.1494849 × 10^7.
The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors.
There are 21494848 positive integers (up to 21494849) that are relatively prime to 21494849.
21494849 has 2 divisors, whose sum is 21494850
The reverse of 21494849 is 94849412
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 41 Digital Root 5
Name
twenty-one million four hundred ninety-four thousand eight hundred forty-nine
Scientific notation
2.1494849 × 10^7
Engineering notation
2.1494849 × 10^6
Prime Factorization
21494849
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21494849 Product of the distinct prime numbers
The prime factorization of 21494849 is 21494849.
Since it has a total of 1 prime factors.
8 , 4 , 19 , 24 , 143 , 490 , 9275 , 7173 , 72372 , 55089 , 272409 , 201773 , 8791020 , 3763265 , 77179837 , 66289577 , 821111630 , 801823609 , 4852287465 , 5431077302
n×2
42989698
n×3
64484547
n×4
85979396
n×5
107474245
n÷2
10747424.5
n÷3
7164949.6666667
n÷3
5373712.25
n÷5
4298969.8
n2
462028533532801
n3
9.931233561979E+21
n4
2.1347036579847E+29
n5
4.5885132788129E+36
2 √n4636.2537678604
3 √n278.0426801611
4 √n68.090041620346
5 √n29.272976204774
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21494850 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10747425 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4636.2538757061 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999069545 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21494849 can be divided by 2 positive divisors.
The sum of these divisors (counting 21494849) is 21494850, the average is 10747425.
Base
System
Value
2
Binary
1010001111111110001000001
3
Ternary
1111110001101112
4
Quaternary
1101333301001
5
Quinary
21000313344
6
Senary
2044413105
8
Octal
121776101
10
Decimal
21494849
12
Duodecimal
7247195
16
Hexadecimal
147fc41
20
Vigesimal
6e6h29
36
Base36
cspj5
md5
9a27c5735838ecd77c09d5a0a59af350
sha1
33a5abce393ccfe0a013c2c88f5742656dbc378a
sha256
cdc2e46f21dae335d70316143e126b64045b6e03d29212e4eb9faba8cce2fdaa
sha512
b8636f1bfa40df8265097d5d5a20f0c5b6efe36e276f7ae8b94cd189daa89a59ecc808a14b0637d12f5a05e7ccda4f53f413d72e260aa967888cc021a2804029
ripemd-160
79d0b95704dfdd4acee55643bed8d70e6912984f
Diameter
42989698
Circumference
135056119.41684
Area
1.4515054466955E+15
Volume
4.1599853865863E+22
Surface area
5.8060217867821E+15
Circumference
135056119.41684
Perimeter
85979396
Area
462028533532801
Diagonal
30398306.976962
Surface area
2772171201196806
Volume
9.931233561979E+21
Space diagonal
37230170.569021
Perimeter
64484547
Area
2.0006422365634E+14
Altitude
18615085.284511
Surface area
2.0006422365634E+14
Volume
1.1704070995371E+21
Height
10132768.992321