21542485 (number)

21542485 is an odd 8-digits composite number following 21542484 and preceding 21542486. In scientific notation, it is written as 2.1542485 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 15365376 positive integers (up to 21542485) that are relatively prime to 21542485.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred forty-two thousand four hundred eighty-five

Notation

Scientific notation 2.1542485 × 10^7
Engineering notation 2.1542485 × 10^6

Prime Factorization of 21542485

Prime Factorization 17 × 19 × 5 × 13339

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21542485
Product of the distinct prime numbers

The prime factorization of 21542485 is 17 × 19 × 5 × 13339. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 8, 35, 79, 437, 301, 8790, 8758, 63601, 19818, 610359, 184818, 6697826, 9311811, 88042371, 43439494, 196016517, 889820235, 9701620692, 3160465521

Basic calculations (n = 21542485)

Multiplication

n×y
n×2 43084970
n×3 64627455
n×4 86169940
n×5 107712425

Division

n÷y
n÷2 10771242.5
n÷3 7180828.3333333
n÷3 5385621.25
n÷5 4308497

Exponentiation

ny
n2 464078659975225
n3 9.9974075713364E+21
n4 2.153690026444E+29
n5 4.639583508932E+36

Nth Root

y√n
2√n 4641.3882621474
3√n 278.24792420068
4√n 68.127734896644
5√n 29.285939431533

Divisors of 21542485

1, 5, 17, 19, 85, 95, 323, 1615, 13339, 66695, 226763, 253441, 1133815, 1267205, 4308497, 21542485

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 -21542484
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 21542485 can be divided by 16 positive divisors. The sum of these divisors (counting 21542485) is 1, the average is 0.0625.

Base conversion 21542485

Base System Value
2 Binary 1010010001011011001010101
3 Ternary 1111112110201211
4 Quaternary 1102023121111
5 Quinary 21003324420
6 Senary 2045421421
8 Octal 122133125
10 Decimal 21542485
12 Duodecimal 726a871
16 Hexadecimal 148b655
20 Vigesimal 6ecg45
36 Base36 ctqad

Cryptographic Hash Functions

md5 b0ba532fe09532d31792c9e261dc5ddd
sha1 54609922c7c1df2cece2c6e01b2785fb0448568d
sha256 e70d52fce1a694aef336e4d831399783c84bfc76469a979ba118e993cda2e640
sha512 2abb50d6bd7e61df2c27f773fd11a0024e9df47a368605a519696040b4ab4844db0645fa42a4dbf4648607ddcd6b1d1a5e4caab716029d8cfe9c18bc0f3d99df
ripemd-160 a6df494df3a2aba6b2f3710575a73f567771f7ee

21542485 as geometric shapes

Circle

Radius = n
Diameter 43084970
Circumference 135355425.23214
Area 1.457946108866E+15

Sphere

Radius = n
Volume 4.1877042908071E+22
Surface area 5.8317844354638E+15
Circumference 135355425.23214

Square

Length = n
Perimeter 86169940
Area 464078659975225
Diagonal 30465674.454219

Cube

Length = n
Surface area 2784471959851350
Volume 9.9974075713364E+21
Space diagonal 37312678.54129

Equilateral Triangle

Length = n
Perimeter 64627455
Area 2.0095195444639E+14
Altitude 18656339.270645

Triangular Pyramid

Length = n
Surface area 2.0095195444639E+14
Volume 1.1782057813296E+21
Height 10155224.818073