21931444 (number)

21931444 is an even 8-digits composite number following 21931443 and preceding 21931445. In scientific notation, it is written as 2.1931444 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors. There are 10947384 positive integers (up to 21931444) that are relatively prime to 21931444.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1931444 × 10^7
Engineering notation 2.1931444 × 10^6

Prime Factorization of 21931444

Prime Factorization 2 × 2 × 643 × 8527

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10965722
Product of the distinct prime numbers

The prime factorization of 21931444 is 2 × 2 × 643 × 8527. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 9, 13, 84, 393, 494, 5461, 1604, 34670, 69779, 947220, 488976, 5291109, 4783652, 50248019, 73144692, 490463435, 559756411, 7163113349, 4371192338

Basic calculations (n = 21931444)

Multiplication

n×y
n×2 43862888
n×3 65794332
n×4 87725776
n×5 109657220

Division

n÷y
n÷2 10965722
n÷3 7310481.3333333
n÷3 5482861
n÷5 4386288.8

Exponentiation

ny
n2 480988235925136
n3 1.0548766560851E+22
n4 2.3134968309837E+29
n5 5.0738326192897E+36

Nth Root

y√n
2√n 4683.1019634426
3√n 279.9125747466
4√n 68.433193433031
5√n 29.390937920081

Divisors of 21931444

1, 2, 4, 643, 1286, 2572, 8527, 17054, 34108, 5482861, 10965722, 21931444

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21931443
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21931444 can be divided by 12 positive divisors. The sum of these divisors (counting 21931444) is 1, the average is 0.083333333333333.

Base conversion 21931444

Base System Value
2 Binary 1010011101010010110110100
3 Ternary 1112021020021201
4 Quaternary 1103222112310
5 Quinary 21103301234
6 Senary 2102022244
8 Octal 123522664
10 Decimal 21931444
12 Duodecimal 7417984
16 Hexadecimal 14ea5b4
20 Vigesimal 6h18c4
36 Base36 d22es

Cryptographic Hash Functions

md5 9da77d0e68e3f8a2500865f6f85b3a6c
sha1 512ae137656c47d5d94785b7900e1d439611a14c
sha256 2c5035a419ddb727751a0c81bf0d3c19aea7597c6fcfbefad53c986705b12013
sha512 b89d29a62e27cc649d02e791dcbc259288f39be51abc74873585fd36f23062f4e0cf3b57f95a811dd57b1e28cc0b085ce508742932d3db92e054c7f6d8005970
ripemd-160 afbe4cb8171c00bbc4058b1f9560062da2605181

21931444 as geometric shapes

Circle

Radius = n
Diameter 43862888
Circumference 137799326.70603
Area 1.5110691084455E+15

Sphere

Radius = n
Volume 4.418657004267E+22
Surface area 6.0442764337821E+15
Circumference 137799326.70603

Square

Length = n
Perimeter 87725776
Area 480988235925136
Diagonal 31015745.547226

Cube

Length = n
Surface area 2885929415550816
Volume 1.0548766560851E+22
Space diagonal 37986375.291352

Equilateral Triangle

Length = n
Perimeter 65794332
Area 2.0827401561632E+14
Altitude 18993187.645676

Triangular Pyramid

Length = n
Surface area 2.0827401561632E+14
Volume 1.2431840613886E+21
Height 10338581.849075