21006944 (number)

21006944 is an even 8-digits composite number following 21006943 and preceding 21006945. In scientific notation, it is written as 2.1006944 × 10^7. The sum of its digits is 26. It has a total of 8 prime factors and 48 positive divisors. There are 8937600 positive integers (up to 21006944) that are relatively prime to 21006944.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1006944 × 10^7
Engineering notation 2.1006944 × 10^6

Prime Factorization of 21006944

Prime Factorization 2 × 2 × 2 × 2 × 2 × 7 × 191 × 491

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 1312934
Product of the distinct prime numbers

The prime factorization of 21006944 is 2 × 2 × 2 × 2 × 2 × 7 × 191 × 491. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21006944)

Multiplication

n×y
n×2 42013888
n×3 63020832
n×4 84027776
n×5 105034720

Division

n÷y
n÷2 10503472
n÷3 7002314.6666667
n÷3 5251736
n÷5 4201388.8

Exponentiation

ny
n2 441291696219136
n3 9.2701899501404E+21
n4 1.9473836115196E+29
n5 4.090857847371E+36

Nth Root

y√n
2√n 4583.3332848485
3√n 275.92282376229
4√n 67.700319680549
5√n 29.138861253552

Divisors of 21006944

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21006943
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21006944 can be divided by 48 positive divisors. The sum of these divisors (counting 21006944) is 1, the average is 0.020833333333333.

Base conversion 21006944

Base System Value
2 Binary 1010000001000101001100000
3 Ternary 1110112021002222
4 Quaternary 1100020221200
5 Quinary 20334210234
6 Senary 2030130212
8 Octal 120105140
10 Decimal 21006944
12 Duodecimal 7050968
16 Hexadecimal 1408a60
20 Vigesimal 6b5h74
36 Base36 ci928

Cryptographic Hash Functions

md5 620ec536692362cbb5d28d3dd38155d5
sha1 0f8814c5b0f16b01ef339a40b1ad8c0040e4632e
sha256 aa941299970903e326fa81ffb7eafacad368b04d243c19cdeb2119916eeccdc1
sha512 ebeede26daa7e53b140736765259dea5ba60bb40eab0ca2ce17d5f5cdb2a4e6d6de9a5b83898cb8b023642c849aba93bbc54d79fe6ed0906e2b5f35c5739a17a
ripemd-160 7ab6f1e2a0a76f8bd9c6efcc6dad844e8cecfa93

21006944 as geometric shapes

Circle

Radius = n
Diameter 42013888
Circumference 131990521.88954
Area 1.3863587509322E+15

Sphere

Radius = n
Volume 3.8830880859657E+22
Surface area 5.5454350037289E+15
Circumference 131990521.88954

Square

Length = n
Perimeter 84027776
Area 441291696219136
Diagonal 29708305.108812

Cube

Length = n
Surface area 2647750177314816
Volume 9.2701899501404E+21
Space diagonal 36385094.319754

Equilateral Triangle

Length = n
Perimeter 63020832
Area 1.9108490970245E+14
Altitude 18192547.159877

Triangular Pyramid

Length = n
Surface area 1.9108490970245E+14
Volume 1.0925023627719E+21
Height 9902768.369604