21285847 (number)

21285847 is an odd 8-digits composite number following 21285846 and preceding 21285848. In scientific notation, it is written as 2.1285847 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 18662400 positive integers (up to 21285847) that are relatively prime to 21285847.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1285847 × 10^7
Engineering notation 2.1285847 × 10^6

Prime Factorization of 21285847

Prime Factorization 11 × 41 × 109 × 433

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21285847
Product of the distinct prime numbers

The prime factorization of 21285847 is 11 × 41 × 109 × 433. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 10, 93, 98, 310, 131, 1919, 1608, 76342, 132, 243065, 498571, 2014200, 27958, 62890955, 28886293, 611546938, 848476593, 9679122397, 5317095921

Basic calculations (n = 21285847)

Multiplication

n×y
n×2 42571694
n×3 63857541
n×4 85143388
n×5 106429235

Division

n÷y
n÷2 10642923.5
n÷3 7095282.3333333
n÷3 5321461.75
n÷5 4257169.4

Exponentiation

ny
n2 453087282507409
n3 9.6443465730985E+21
n4 2.0528808556995E+29
n5 4.3697307803648E+36

Nth Root

y√n
2√n 4613.6587433403
3√n 277.13857446226
4√n 67.923918786686
5√n 29.215827203481

Divisors of 21285847

1, 11, 41, 109, 433, 451, 1199, 4469, 4763, 17753, 47197, 49159, 195283, 519167, 1935077, 21285847

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 -21285846
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 21285847 can be divided by 16 positive divisors. The sum of these divisors (counting 21285847) is 1, the average is 0.0625.

Base conversion 21285847

Base System Value
2 Binary 1010001001100101111010111
3 Ternary 1111001102200201
4 Quaternary 1101030233113
5 Quinary 20422121342
6 Senary 2040121331
8 Octal 121145727
10 Decimal 21285847
12 Duodecimal 7166247
16 Hexadecimal 144cbd7
20 Vigesimal 6d0ec7
36 Base36 co89j

Cryptographic Hash Functions

md5 254ba90e77ae76407d36102375f5c6ee
sha1 4c81acfad31c45bc539071af371d70398b9cf5a5
sha256 7f2a85ebd3c9a06cba54eba691d9c10349b02ad537264191d09ce69051341275
sha512 da2c7028d584730f0ab4d6e08f9921df4ac0312e867a9070ca76f1c928c2c8ced10ee48d698b351837908f8e538efa6f0531ac843ec7ae0f76e7e996c3caffa3
ripemd-160 86664969cb850d216a620852cef9da4ffa134aef

21285847 as geometric shapes

Circle

Radius = n
Diameter 42571694
Circumference 133742921.12127
Area 1.4234156781602E+15

Sphere

Radius = n
Volume 4.039814445696E+22
Surface area 5.693662712641E+15
Circumference 133742921.12127

Square

Length = n
Perimeter 85143388
Area 453087282507409
Diagonal 30102733.513999

Cube

Length = n
Surface area 2718523695044454
Volume 9.6443465730985E+21
Space diagonal 36868168.486138

Equilateral Triangle

Length = n
Perimeter 63857541
Area 1.9619254839154E+14
Altitude 18434084.243069

Triangular Pyramid

Length = n
Surface area 1.9619254839154E+14
Volume 1.1365971436585E+21
Height 10034244.504666