21431445 (number)

21431445 is an odd 8-digits composite number following 21431444 and preceding 21431446. In scientific notation, it is written as 2.1431445 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 9753600 positive integers (up to 21431445) that are relatively prime to 21431445.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1431445 × 10^7
Engineering notation 2.1431445 × 10^6

Prime Factorization of 21431445

Prime Factorization 1203 × 5 × 7 × 509

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21431445
Product of the distinct prime numbers

The prime factorization of 21431445 is 1203 × 5 × 7 × 509. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 6, 89, 81, 917, 733, 9418, 7733, 70911, 94072, 197865, 306799, 5862439, 8171280, 96557667, 23600451, 233347767, 285088001, 6592049327, 3008612548

Basic calculations (n = 21431445)

Multiplication

n×y
n×2 42862890
n×3 64294335
n×4 85725780
n×5 107157225

Division

n÷y
n÷2 10715722.5
n÷3 7143815
n÷3 5357861.25
n÷5 4286289

Exponentiation

ny
n2 459306834788025
n3 9.8436091678836E+21
n4 2.1096276848299E+29
n5 4.521236969791E+36

Nth Root

y√n
2√n 4629.4108696464
3√n 277.76902730953
4√n 68.039774173981
5√n 29.255686317558

Divisors of 21431445

1, 5, 7, 35, 509, 1203, 2545, 3563, 6015, 8421, 17815, 42105, 612327, 3061635, 4286289, 21431445

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 -21431444
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 21431445 can be divided by 16 positive divisors. The sum of these divisors (counting 21431445) is 1, the average is 0.0625.

Base conversion 21431445

Base System Value
2 Binary 1010001110000010010010101
3 Ternary 1111022211102020
4 Quaternary 1101300102111
5 Quinary 20441301240
6 Senary 2043203353
8 Octal 121602225
10 Decimal 21431445
12 Duodecimal 7216559
16 Hexadecimal 1470495
20 Vigesimal 6diic5
36 Base36 crclx

Cryptographic Hash Functions

md5 e291f5e8d80cfc6d80d9a8e1f0ba2aa0
sha1 f682792587a654082dabfe5fd798140e13a5e563
sha256 8d835c71a23d0834493e9e1dd088f0b0d105fe5b03f60dfb65c3eca642448c46
sha512 a1f8f1d28cfca132ef0eb09c674279dd6e0b78f6dd596aae13473e6abaead22b767d38f16914faf97a9c4e21ed68f1c9fae0005742b1acd4452c7d26ff10abcf
ripemd-160 4b43a30e10a2bd6f7156050ad637f41b790e2b4b

21431445 as geometric shapes

Circle

Radius = n
Diameter 42862890
Circumference 134657740.33563
Area 1.4429549779136E+15

Sphere

Radius = n
Volume 4.1232813662177E+22
Surface area 5.7718199116546E+15
Circumference 134657740.33563

Square

Length = n
Perimeter 85725780
Area 459306834788025
Diagonal 30308640.180253

Cube

Length = n
Surface area 2755841008728150
Volume 9.8436091678836E+21
Space diagonal 37120351.619618

Equilateral Triangle

Length = n
Perimeter 64294335
Area 1.9888569352913E+14
Altitude 18560175.809809

Triangular Pyramid

Length = n
Surface area 1.9888569352913E+14
Volume 1.1600804656601E+21
Height 10102880.060084