21444021 (number)

21444021 is an odd 8-digits composite number following 21444020 and preceding 21444022. In scientific notation, it is written as 2.1444021 × 10^7. The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors. There are 12918528 positive integers (up to 21444021) that are relatively prime to 21444021.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1444021 × 10^7
Engineering notation 2.1444021 × 10^6

Prime Factorization of 21444021

Prime Factorization 459 × 9 × 29 × 179

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21444021
Product of the distinct prime numbers

The prime factorization of 21444021 is 459 × 9 × 29 × 179. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 4, 77, 70, 195, 761, 2761, 5036, 16053, 22300, 739332, 458266, 2810880, 4510602, 54272800, 39843840, 479545971, 613538808, 827201228, 2883633339

Basic calculations (n = 21444021)

Multiplication

n×y
n×2 42888042
n×3 64332063
n×4 85776084
n×5 107220105

Division

n÷y
n÷2 10722010.5
n÷3 7148007
n÷3 5361005.25
n÷5 4288804.2

Exponentiation

ny
n2 459846036648441
n3 9.8609480666559E+21
n4 2.1145837742128E+29
n5 4.5345178860478E+36

Nth Root

y√n
2√n 4630.7689426271
3√n 277.82334842871
4√n 68.049753435462
5√n 29.25911896695

Divisors of 21444021

1, 9, 29, 179, 261, 459, 1611, 4131, 5191, 13311, 46719, 82161, 119799, 739449, 2382669, 21444021

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 -21444020
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 21444021 can be divided by 16 positive divisors. The sum of these divisors (counting 21444021) is 1, the average is 0.0625.

Base conversion 21444021

Base System Value
2 Binary 1010001110011010110110101
3 Ternary 1111100110200000
4 Quaternary 1101303112311
5 Quinary 20442202041
6 Senary 2043341513
8 Octal 121632665
10 Decimal 21444021
12 Duodecimal 7221899
16 Hexadecimal 14735b5
20 Vigesimal 6e0a11
36 Base36 crmb9

Cryptographic Hash Functions

md5 d4c8d29d8bea8c438850b561086e3fc5
sha1 a365cdf1a9f59d529e07116732ee8cd7a58b0e7c
sha256 e0650dfa48c79266842d43461af90ba6041c1d49405e19fb17c2d8680d383cab
sha512 a6e72cf8a6322da9abf7b2928814c2a35aa36aeb39508cce584139dd5f9daeeff4449eb68e97dcba4b7b887cbb70c148acc964ebc1c1a504ff6fd87cb2664cc6
ripemd-160 04cddd6a1dd6470d2daa684cbb0ed8e31287fb8b

21444021 as geometric shapes

Circle

Radius = n
Diameter 42888042
Circumference 134736757.67405
Area 1.4446489305171E+15

Sphere

Radius = n
Volume 4.1305442671516E+22
Surface area 5.7785957220685E+15
Circumference 134736757.67405

Square

Length = n
Perimeter 85776084
Area 459846036648441
Diagonal 30326425.330013

Cube

Length = n
Surface area 2759076219890646
Volume 9.8609480666559E+21
Space diagonal 37142133.890574

Equilateral Triangle

Length = n
Perimeter 64332063
Area 1.9911917478357E+14
Altitude 18571066.945287

Triangular Pyramid

Length = n
Surface area 1.9911917478357E+14
Volume 1.1621238744768E+21
Height 10108808.443338