21048891 (number)

21048891 is an odd 8-digits composite number following 21048890 and preceding 21048892. In scientific notation, it is written as 2.1048891 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 13996800 positive integers (up to 21048891) that are relatively prime to 21048891.

Interesting facts

Basic properties

Name

Name twenty-one million forty-eight thousand eight hundred ninety-one

Notation

Scientific notation 2.1048891 × 10^7
Engineering notation 2.1048891 × 10^6

Prime Factorization of 21048891

Prime Factorization 3 × 401 × 17497

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21048891
Product of the distinct prime numbers

The prime factorization of 21048891 is 3 × 401 × 17497. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21048891)

Multiplication

n×y
n×2 42097782
n×3 63146673
n×4 84195564
n×5 105244455

Division

n÷y
n÷2 10524445.5
n÷3 7016297
n÷3 5262222.75
n÷5 4209778.2

Exponentiation

ny
n2 443055812329881
n3 9.3258335006481E+21
n4 1.9629845283929E+29
n5 4.1318647372829E+36

Nth Root

y√n
2√n 4587.9070391628
3√n 276.10635735033
4√n 67.734090672001
5√n 29.150488958253

Divisors of 21048891

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21048890
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21048891 can be divided by 8 positive divisors. The sum of these divisors (counting 21048891) is 1, the average is 0.125.

Base conversion 21048891

Base System Value
2 Binary 1010000010010111000111011
3 Ternary 1110121101122120
4 Quaternary 1100102320323
5 Quinary 20342031031
6 Senary 2031052323
8 Octal 120227073
10 Decimal 21048891
12 Duodecimal 70710a3
16 Hexadecimal 1412e3b
20 Vigesimal 6bb24b
36 Base36 cj5ff

Cryptographic Hash Functions

md5 1ce81d16579cdd3543b0a08bb45500e2
sha1 315f9c856eaad1d104976d8c85ec45030cd01bbc
sha256 557cd5136848bb274df4b2f8b5fe3ff3742cd0cafac2dc837fb593a5ca1e36bf
sha512 d038e9d5b96464f6e29ab918fd5fc5a2146934d75f8544d4582abc1352ad0352ce70bf02e11218a63d1aaf3c69f360705d9a4e2900e0ae757babb78adea55aa1
ripemd-160 43c73238c6c2d002b4d61474e2fa4d2f217c2ec0

21048891 as geometric shapes

Circle

Radius = n
Diameter 42097782
Circumference 132254082.66362
Area 1.3919008851458E+15

Sphere

Radius = n
Volume 3.9063960018984E+22
Surface area 5.5676035405832E+15
Circumference 132254082.66362

Square

Length = n
Perimeter 84195564
Area 443055812329881
Diagonal 29767627.125113

Cube

Length = n
Surface area 2658334873979286
Volume 9.3258335006481E+21
Space diagonal 36457748.654979

Equilateral Triangle

Length = n
Perimeter 63146673
Area 1.9184879438601E+14
Altitude 18228874.32749

Triangular Pyramid

Length = n
Surface area 1.9184879438601E+14
Volume 1.0990600180875E+21
Height 9922542.3750377