21431456 (number)

21431456 is an even 8-digits composite number following 21431455 and preceding 21431457. In scientific notation, it is written as 2.1431456 × 10^7. The sum of its digits is 26. It has a total of 6 prime factors and 12 positive divisors. There are 10715712 positive integers (up to 21431456) that are relatively prime to 21431456.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred thirty-one thousand four hundred fifty-six

Notation

Scientific notation 2.1431456 × 10^7
Engineering notation 2.1431456 × 10^6

Prime Factorization of 21431456

Prime Factorization 2 × 2 × 2 × 2 × 2 × 669733

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 1339466
Product of the distinct prime numbers

The prime factorization of 21431456 is 2 × 2 × 2 × 2 × 2 × 669733. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 3, 6, 13, 20, 889, 2097, 6144, 23754, 11424, 522739, 876870, 9653311, 3114611, 73465238, 36143431, 329694390, 815081064, 594090486, 8470191817

Basic calculations (n = 21431456)

Multiplication

n×y
n×2 42862912
n×3 64294368
n×4 85725824
n×5 107157280

Division

n÷y
n÷2 10715728
n÷3 7143818.6666667
n÷3 5357864
n÷5 4286291.2

Exponentiation

ny
n2 459307306279936
n3 9.843624325017E+21
n4 2.1096320160213E+29
n5 4.5212485727552E+36

Nth Root

y√n
2√n 4629.4120577024
3√n 277.76907483252
4√n 68.03978290458
5√n 29.255689320738

Divisors of 21431456

1, 2, 4, 8, 16, 32, 669733, 1339466, 2678932, 5357864, 10715728, 21431456

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 -21431455
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 21431456 can be divided by 12 positive divisors. The sum of these divisors (counting 21431456) is 1, the average is 0.083333333333333.

Base conversion 21431456

Base System Value
2 Binary 1010001110000010010100000
3 Ternary 1111022211102122
4 Quaternary 1101300102200
5 Quinary 20441301311
6 Senary 2043203412
8 Octal 121602240
10 Decimal 21431456
12 Duodecimal 7216568
16 Hexadecimal 14704a0
20 Vigesimal 6diicg
36 Base36 crcm8

Cryptographic Hash Functions

md5 feeb8dddbbddb5dcab5bff9db76bb4d7
sha1 c1092ac95bfa5932ca1ce77eb73c70a695152276
sha256 f1ecff8872290773c57784e3a32085174c32c941ad53591396abe450abdedea0
sha512 2c5920c57c8cfa8a2267efc560b086858de8c3793d9250fe6d9a0e1bafc24fda9dc2cfc59d64675d4c5afc6aace9e8179ece6ae1c5b3f9b4b63623823a575a48
ripemd-160 dd7a90f43db72ab56cf6d634150891e07019445f

21431456 as geometric shapes

Circle

Radius = n
Diameter 42862912
Circumference 134657809.45067
Area 1.4429564591492E+15

Sphere

Radius = n
Volume 4.1232877152228E+22
Surface area 5.7718258365967E+15
Circumference 134657809.45067

Square

Length = n
Perimeter 85725824
Area 459307306279936
Diagonal 30308655.736602

Cube

Length = n
Surface area 2755843837679616
Volume 9.843624325017E+21
Space diagonal 37120370.672177

Equilateral Triangle

Length = n
Perimeter 64294368
Area 1.9888589769111E+14
Altitude 18560185.336088

Triangular Pyramid

Length = n
Surface area 1.9888589769111E+14
Volume 1.1600822519454E+21
Height 10102885.245534