21487875 (number)

21487875 is an odd 8-digits composite number following 21487874 and preceding 21487876. In scientific notation, it is written as 2.1487875 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 11460000 positive integers (up to 21487875) that are relatively prime to 21487875.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred eighty-seven thousand eight hundred seventy-five

Notation

Scientific notation 2.1487875 × 10^7
Engineering notation 2.1487875 × 10^6

Prime Factorization of 21487875

Prime Factorization 3 × 25 × 5 × 57301

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21487875
Product of the distinct prime numbers

The prime factorization of 21487875 is 3 × 25 × 5 × 57301. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 8, 88, 87, 37, 577, 4890, 119, 48248, 37257, 36160, 381246, 7890626, 7907456, 66814892, 14400849, 362044496, 99183646, 5382554867, 1371359954

Basic calculations (n = 21487875)

Multiplication

n×y
n×2 42975750
n×3 64463625
n×4 85951500
n×5 107439375

Division

n÷y
n÷2 10743937.5
n÷3 7162625
n÷3 5371968.75
n÷5 4297575

Exponentiation

ny
n2 461728772015625
n3 9.9215701369752E+21
n4 2.1319345890706E+29
n5 4.5810743958125E+36

Nth Root

y√n
2√n 4635.5015909824
3√n 278.01260660876
4√n 68.084517997724
5√n 29.271076435804

Divisors of 21487875

1, 3, 5, 15, 25, 75, 125, 375, 57301, 171903, 286505, 859515, 1432525, 4297575, 7162625, 21487875

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 -21487874
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 21487875 can be divided by 16 positive divisors. The sum of these divisors (counting 21487875) is 1, the average is 0.0625.

Base conversion 21487875

Base System Value
2 Binary 1010001111110000100000011
3 Ternary 1111102200211020
4 Quaternary 1101332010003
5 Quinary 21000103000
6 Senary 2044320523
8 Octal 121760403
10 Decimal 21487875
12 Duodecimal 7243143
16 Hexadecimal 147e103
20 Vigesimal 6e5jdf
36 Base36 csk5f

Cryptographic Hash Functions

md5 e0de1792862f980d3eda18b5823808e6
sha1 a9a6ffbe6f34476ca0ef37629e40198503fa20d2
sha256 304f3a3dc379810d1ad1f4c6fa713f6953ae1db3b347f630a56b975c4b2d56af
sha512 6ab15a19a8e31fa34ab21aa8fdbea5cd3c766b75d6c4a02ba7822f965a4ce62f5a9e0d6e5ac98b72a6664369a1a57716b28c5225993470bca2ee4b76b890862d
ripemd-160 1cfe68ee48a13a789a834edf9778335bca7e9463

21487875 as geometric shapes

Circle

Radius = n
Diameter 42975750
Circumference 135012300.48251
Area 1.4505637181153E+15

Sphere

Radius = n
Volume 4.1559375805863E+22
Surface area 5.8022548724613E+15
Circumference 135012300.48251

Square

Length = n
Perimeter 85951500
Area 461728772015625
Diagonal 30388444.251578

Cube

Length = n
Surface area 2770372632093750
Volume 9.9215701369752E+21
Space diagonal 37218091.246689

Equilateral Triangle

Length = n
Perimeter 64463625
Area 1.9993442311186E+14
Altitude 18609045.623345

Triangular Pyramid

Length = n
Surface area 1.9993442311186E+14
Volume 1.1692682539789E+21
Height 10129481.417193