21542798 (number)

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.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred forty-two thousand seven hundred ninety-eight

Notation

Scientific notation 2.1542798 × 10^7
Engineering notation 2.1542798 × 10^6

Prime Factorization of 21542798

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.

Most popular turbo-numbers

Basic calculations (n = 21542798)

Multiplication

n×y
n×2 43085596
n×3 64628394
n×4 86171192
n×5 107713990

Division

n÷y
n÷2 10771399
n÷3 7180932.6666667
n÷3 5385699.5
n÷5 4308559.6

Exponentiation

ny
n2 464092145668804
n3 9.9978433475296E+21
n4 2.1538151967147E+29
n5 4.6399205712156E+36

Nth Root

y√n
2√n 4641.4219803849
3√n 278.24927178861
4√n 68.127982359563
5√n 29.286024532633

Divisors of 21542798

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 conversion 21542798

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

Cryptographic Hash Functions

md5 28cb75d5495ef81fe7ab8262c1879587
sha1 8cb6295bd898a35a18399912f263426eda28dfb0
sha256 7aea52593a6ffb9ee32c819eac76b424dd5c50ea3b43e85b225c531046affc57
sha512 475b93df6517a56a62767d03ec417c33be708de8a4e4d8af1e8d20dfbca705e7e9fe189658e682d80dc181a0d1619cb696edfef2c8c9f9faafaa1b8d15d39b74
ripemd-160 07e2faf8ac9d2c8c0a06809713be7d5041502795

21542798 as geometric shapes

Circle

Radius = n
Diameter 43085596
Circumference 135357391.86914
Area 1.4579884754218E+15

Sphere

Radius = n
Volume 4.1878868283121E+22
Surface area 5.8319539016874E+15
Circumference 135357391.86914

Square

Length = n
Perimeter 86171192
Area 464092145668804
Diagonal 30466117.103064

Cube

Length = n
Surface area 2784552874012824
Volume 9.9978433475296E+21
Space diagonal 37313220.673193

Equilateral Triangle

Length = n
Perimeter 64628394
Area 2.0095779392301E+14
Altitude 18656610.336597

Triangular Pyramid

Length = n
Surface area 2.0095779392301E+14
Volume 1.1782571380465E+21
Height 10155372.367688