21431844 (number)

21431844 is an even 8-digits composite number following 21431843 and preceding 21431845. In scientific notation, it is written as 2.1431844 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 6123168 positive integers (up to 21431844) that are relatively prime to 21431844.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1431844 × 10^7
Engineering notation 2.1431844 × 10^6

Prime Factorization of 21431844

Prime Factorization 2 × 2 × 27 × 7 × 28349

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10715922
Product of the distinct prime numbers

The prime factorization of 21431844 is 2 × 2 × 27 × 7 × 28349. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 3, 69, 64, 813, 35, 3603, 2083, 91010, 58283, 451233, 501714, 670074, 1607863, 55884531, 61703917, 307175918, 538241210, 1315378203, 4724144522

Basic calculations (n = 21431844)

Multiplication

n×y
n×2 42863688
n×3 64295532
n×4 85727376
n×5 107159220

Division

n÷y
n÷2 10715922
n÷3 7143948
n÷3 5357961
n÷5 4286368.8

Exponentiation

ny
n2 459323937240336
n3 9.8441589684007E+21
n4 2.1097847932196E+29
n5 4.5216578561856E+36

Nth Root

y√n
2√n 4629.4539634821
3√n 277.77075108744
4√n 68.040090854452
5√n 29.255795250314

Divisors of 21431844

1, 2, 4, 7, 14, 27, 28, 54, 108, 189, 378, 756, 28349, 56698, 113396, 198443, 396886, 765423, 793772, 1530846, 3061692, 5357961, 10715922, 21431844

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21431843
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21431844 can be divided by 24 positive divisors. The sum of these divisors (counting 21431844) is 1, the average is 0.041666666666667.

Base conversion 21431844

Base System Value
2 Binary 1010001110000011000100100
3 Ternary 1111022211222000
4 Quaternary 1101300120210
5 Quinary 20441304334
6 Senary 2043205300
8 Octal 121603044
10 Decimal 21431844
12 Duodecimal 7216830
16 Hexadecimal 1470624
20 Vigesimal 6dijc4
36 Base36 crcx0

Cryptographic Hash Functions

md5 339abc3c2a492062b44dcbd6e05e3f07
sha1 dad4565cd660db2dfc1bc8659879f9502a010b18
sha256 79e443fad5e775923925a6be063dafdaefa88091945e77a0086c7e9b98ead32d
sha512 274ec609fcccd83805fd79f5120a8e5806a810f877909f509c2df0816f9337b312c150eb6ff50c32926efe0be01cc603f5f85d9190ded10f32d2c7f8f65a472e
ripemd-160 6a8c6f758a9eee7ace685dfd328460c52a668fb1

21431844 as geometric shapes

Circle

Radius = n
Diameter 42863688
Circumference 134660247.32656
Area 1.4430087068522E+15

Sphere

Radius = n
Volume 4.1235116661197E+22
Surface area 5.7720348274087E+15
Circumference 134660247.32656

Square

Length = n
Perimeter 85727376
Area 459323937240336
Diagonal 30309204.451464

Cube

Length = n
Surface area 2755943623442016
Volume 9.8441589684007E+21
Space diagonal 37121042.70789

Equilateral Triangle

Length = n
Perimeter 64295532
Area 1.9889309910821E+14
Altitude 18560521.353945

Triangular Pyramid

Length = n
Surface area 1.9889309910821E+14
Volume 1.1601452602724E+21
Height 10103068.150488