21542456 (number)

21542456 is an even 8-digits composite number following 21542455 and preceding 21542457. In scientific notation, it is written as 2.1542456 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 16 positive divisors. There are 9942624 positive integers (up to 21542456) that are relatively prime to 21542456.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred forty-two thousand four hundred fifty-six

Notation

Scientific notation 2.1542456 × 10^7
Engineering notation 2.1542456 × 10^6

Prime Factorization of 21542456

Prime Factorization 2 × 2 × 2 × 13 × 207139

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5385614
Product of the distinct prime numbers

The prime factorization of 21542456 is 2 × 2 × 2 × 13 × 207139. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 2, 67, 30, 413, 885, 4687, 780, 96520, 77425, 494102, 676290, 9617439, 6417297, 27910780, 4201812, 400470120, 957391587, 7944958626, 2310041351

Basic calculations (n = 21542456)

Multiplication

n×y
n×2 43084912
n×3 64627368
n×4 86169824
n×5 107712280

Division

n÷y
n÷2 10771228
n÷3 7180818.6666667
n÷3 5385614
n÷5 4308491.2

Exponentiation

ny
n2 464077410511936
n3 9.9973671965473E+21
n4 2.1536784294746E+29
n5 4.6395522805107E+36

Nth Root

y√n
2√n 4641.3851380811
3√n 278.24779934363
4√n 68.127711968633
5√n 29.285931546717

Divisors of 21542456

1, 2, 4, 8, 13, 26, 52, 104, 207139, 414278, 828556, 1657112, 2692807, 5385614, 10771228, 21542456

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 -21542455
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 21542456 can be divided by 16 positive divisors. The sum of these divisors (counting 21542456) is 1, the average is 0.0625.

Base conversion 21542456

Base System Value
2 Binary 1010010001011011000111000
3 Ternary 1111112110200202
4 Quaternary 1102023120320
5 Quinary 21003324311
6 Senary 2045421332
8 Octal 122133070
10 Decimal 21542456
12 Duodecimal 726a848
16 Hexadecimal 148b638
20 Vigesimal 6ecg2g
36 Base36 ctq9k

Cryptographic Hash Functions

md5 eb5bfb306135fe21e61dcdd31bc48ccd
sha1 a159bd0159ba3ea026572fda851e0d380ab1fa9e
sha256 e732706a02466b80766927775adc244019c4383ceb1207affde49d0be08b13ba
sha512 354d86a3743bc622210d339144f71907bde8f845eff216afd19ee9ce89ad6f9b0cb8a49cc5c5e38dffecf1b2a04f0fdd3e75e78b44c09aa778a6086ea9ba9fd4
ripemd-160 1c5c5fee5348ee7f8358ba266edfefa5b954d922

21542456 as geometric shapes

Circle

Radius = n
Diameter 43084912
Circumference 135355243.01976
Area 1.4579421835613E+15

Sphere

Radius = n
Volume 4.187687378655E+22
Surface area 5.8317687342451E+15
Circumference 135355243.01976

Square

Length = n
Perimeter 86169824
Area 464077410511936
Diagonal 30465633.442026

Cube

Length = n
Surface area 2784464463071616
Volume 9.9973671965473E+21
Space diagonal 37312628.311817

Equilateral Triangle

Length = n
Perimeter 64627368
Area 2.0095141341292E+14
Altitude 18656314.155909

Triangular Pyramid

Length = n
Surface area 2.0095141341292E+14
Volume 1.1782010231151E+21
Height 10155211.147342