21542798 is an even 8-digits composite number following 21542797
and preceding 21542799 . In scientific notation, it is written as 2.1542798 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 10764760 positive integers (up to 21542798) that are relatively prime to 21542798.
21542798 has 8 divisors, whose sum is 32334120
The reverse of 21542798 is 89724512
Previous prime number is 2819
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million five hundred forty-two thousand seven hundred ninety-eight
Scientific notation
2.1542798 × 10^7
Engineering notation
2.1542798 × 10^6
Prime Factorization
2 × 2819 × 3821
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21542798
Product of the distinct prime numbers
The prime factorization of 21542798 is 2 × 2819 × 3821.
Since it has a total of 3 prime factors.
9 , 1 , 97 , 95 , 261 , 336 , 669 , 145 , 36451 , 72309 , 76798 , 836185 , 8568521 , 5870137 , 84216441 , 24564291 , 188010102 , 30075809 , 9179579305 , 577739482
n×2
43085596
n×3
64628394
n×4
86171192
n×5
107713990
n÷2
10771399
n÷3
7180932.6666667
n÷3
5385699.5
n÷5
4308559.6
n2
464092145668804
n3
9.9978433475296E+21
n4
2.1538151967147E+29
n5
4.6399205712156E+36
2 √n
4641.4219803849
3 √n
278.24927178861
4 √n
68.127982359563
5 √n
29.286024532633
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21542797
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21542798 can be divided by 8 positive divisors.
The sum of these divisors (counting 21542798) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010001011011110001110
3
Ternary
1111112111011102
4
Quaternary
1102023132032
5
Quinary
21003332143
6
Senary
2045423102
8
Octal
122133616
10
Decimal
21542798
12
Duodecimal
726aa92
16
Hexadecimal
148b78e
20
Vigesimal
6ecgji
36
Base36
ctqj2
md5
28cb75d5495ef81fe7ab8262c1879587
sha1
8cb6295bd898a35a18399912f263426eda28dfb0
sha256
7aea52593a6ffb9ee32c819eac76b424dd5c50ea3b43e85b225c531046affc57
sha512
475b93df6517a56a62767d03ec417c33be708de8a4e4d8af1e8d20dfbca705e7e9fe189658e682d80dc181a0d1619cb696edfef2c8c9f9faafaa1b8d15d39b74
ripemd-160
07e2faf8ac9d2c8c0a06809713be7d5041502795
Diameter
43085596
Circumference
135357391.86914
Area
1.4579884754218E+15
Volume
4.1878868283121E+22
Surface area
5.8319539016874E+15
Circumference
135357391.86914
Perimeter
86171192
Area
464092145668804
Diagonal
30466117.103064
Surface area
2784552874012824
Volume
9.9978433475296E+21
Space diagonal
37313220.673193
Perimeter
64628394
Area
2.0095779392301E+14
Altitude
18656610.336597
Surface area
2.0095779392301E+14
Volume
1.1782571380465E+21
Height
10155372.367688