21044891 (number)

21044891 is an odd 8-digits composite number following 21044890 and preceding 21044892. In scientific notation, it is written as 2.1044891 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 18038472 positive integers (up to 21044891) that are relatively prime to 21044891.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1044891 × 10^7
Engineering notation 2.1044891 × 10^6

Prime Factorization of 21044891

Prime Factorization 7 × 3006413

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21044891
Product of the distinct prime numbers

The prime factorization of 21044891 is 7 × 3006413. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 3, 9, 79, 781, 365, 3188, 7162, 63178, 3614, 560522, 420554, 8572050, 9338012, 38695914, 72293374, 567135338, 571278985, 1243530872, 5556659377

Basic calculations (n = 21044891)

Multiplication

n×y
n×2 42089782
n×3 63134673
n×4 84179564
n×5 105224455

Division

n÷y
n÷2 10522445.5
n÷3 7014963.6666667
n÷3 5261222.75
n÷5 4208978.2

Exponentiation

ny
n2 442887437201881
n3 9.3205178411829E+21
n4 1.9614928203125E+29
n5 4.1279402600759E+36

Nth Root

y√n
2√n 4587.4710898272
3√n 276.0888663988
4√n 67.730872501594
5√n 29.149380958595

Divisors of 21044891

1, 7, 3006413, 21044891

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21044890
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21044891 can be divided by 4 positive divisors. The sum of these divisors (counting 21044891) is 1, the average is 0.25.

Base conversion 21044891

Base System Value
2 Binary 1010000010001111010011011
3 Ternary 1110121012011102
4 Quaternary 1100101322123
5 Quinary 20341414031
6 Senary 2031022015
8 Octal 120217233
10 Decimal 21044891
12 Duodecimal 706a90b
16 Hexadecimal 1411e9b
20 Vigesimal 6bac4b
36 Base36 cj2cb

Cryptographic Hash Functions

md5 e4dfd7e8a5ae1c32afb715a382b7dc21
sha1 4aed13c194540e29ef19d1b7d4bcdb9ae5c5bff1
sha256 ac051b50bb8cc0aaa09f950a95368d2825576381a3f1cb075edff68595489c6d
sha512 bdd8e35100529ae5f4b4d32c20fa1dc8f48695036520c9331d65c141821dbafe11edbe5c69bf9451987a4ec0fc831a26cf21e2b485fc9ed720b05213422e0070
ripemd-160 340f73f20198f8eb48e95f36eb55742bda77e0b0

21044891 as geometric shapes

Circle

Radius = n
Diameter 42089782
Circumference 132228949.9224
Area 1.3913719190806E+15

Sphere

Radius = n
Volume 3.9041693836684E+22
Surface area 5.5654876763226E+15
Circumference 132228949.9224

Square

Length = n
Perimeter 84179564
Area 442887437201881
Diagonal 29761970.270863

Cube

Length = n
Surface area 2657324623211286
Volume 9.3205178411829E+21
Space diagonal 36450820.451749

Equilateral Triangle

Length = n
Perimeter 63134673
Area 1.9177588581691E+14
Altitude 18225410.225874

Triangular Pyramid

Length = n
Surface area 1.9177588581691E+14
Volume 1.0984335616118E+21
Height 9920656.7569545