21542290 (number)

21542290 is an even 8-digits composite number following 21542289 and preceding 21542291. In scientific notation, it is written as 2.1542290 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 6624000 positive integers (up to 21542290) that are relatively prime to 21542290.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1542290 × 10^7
Engineering notation 2.1542290 × 10^6

Prime Factorization of 21542290

Prime Factorization 2 × 5555 × 7 × 277

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21542290
Product of the distinct prime numbers

The prime factorization of 21542290 is 2 × 5555 × 7 × 277. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 9, 95, 53, 512, 318, 517, 2140, 80999, 88467, 218952, 368096, 7267101, 7426715, 73267116, 5807721, 919163579, 675414204, 6766549569, 8960311928

Basic calculations (n = 21542290)

Multiplication

n×y
n×2 43084580
n×3 64626870
n×4 86169160
n×5 107711450

Division

n÷y
n÷2 10771145
n÷3 7180763.3333333
n÷3 5385572.5
n÷5 4308458

Exponentiation

ny
n2 464070258444100
n3 9.9971360877778E+21
n4 2.1536120477237E+29
n5 4.6393735279559E+36

Nth Root

y√n
2√n 4641.3672554539
3√n 278.24708464249
4√n 68.127580725092
5√n 29.285886412777

Divisors of 21542290

1, 2, 7, 14, 277, 554, 1939, 3878, 5555, 11110, 38885, 77770, 1538735, 3077470, 10771145, 21542290

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21542289
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21542290 can be divided by 16 positive divisors. The sum of these divisors (counting 21542290) is 1, the average is 0.0625.

Base conversion 21542290

Base System Value
2 Binary 1010010001011010110010010
3 Ternary 1111112110110121
4 Quaternary 1102023112102
5 Quinary 21003323130
6 Senary 2045420454
8 Octal 122132622
10 Decimal 21542290
12 Duodecimal 726a72a
16 Hexadecimal 148b592
20 Vigesimal 6ecfea
36 Base36 ctq4y

Cryptographic Hash Functions

md5 9fb0c9f660b9c7ad87d839be49c84cfc
sha1 ce9443009a5688d787fa2cadf0b23385629a0863
sha256 ac1bff5c1de50d8cb76182c8d86e3ef89e00df71b89a1ee1de07f47f4c345f80
sha512 0980413e73f934d413319de9a33790e3a1216791c502cf1fb9621598b3b877c56176848bfb734a484db5ddeaf6d76c3f093aed4103dfee4841788412e74be4eb
ripemd-160 a3d98972c9ffd291c30cb81ca8f30cd3c2eaa3e9

21542290 as geometric shapes

Circle

Radius = n
Diameter 43084580
Circumference 135354200.011
Area 1.4579197146775E+15

Sphere

Radius = n
Volume 4.18759057204E+22
Surface area 5.83167885871E+15
Circumference 135354200.011

Square

Length = n
Perimeter 86169160
Area 464070258444100
Diagonal 30465398.682574

Cube

Length = n
Surface area 2784421550664600
Volume 9.9971360877778E+21
Space diagonal 37312340.791383

Equilateral Triangle

Length = n
Perimeter 64626870
Area 2.009483164767E+14
Altitude 18656170.395691

Triangular Pyramid

Length = n
Surface area 2.009483164767E+14
Volume 1.1781737866854E+21
Height 10155132.894191