21432487 (number)

21432487 is an odd 8-digits composite number following 21432486 and preceding 21432488. In scientific notation, it is written as 2.1432487 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 21290400 positive integers (up to 21432487) that are relatively prime to 21432487.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred thirty-two thousand four hundred eighty-seven

Notation

Scientific notation 2.1432487 × 10^7
Engineering notation 2.1432487 × 10^6

Prime Factorization of 21432487

Prime Factorization 151 × 141937

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21432487
Product of the distinct prime numbers

The prime factorization of 21432487 is 151 × 141937. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21432487)

Multiplication

n×y
n×2 42864974
n×3 64297461
n×4 85729948
n×5 107162435

Division

n÷y
n÷2 10716243.5
n÷3 7144162.3333333
n÷3 5358121.75
n÷5 4286497.4

Exponentiation

ny
n2 459351499005169
n3 9.8450450308588E+21
n4 2.110037996383E+29
n5 4.5223361926984E+36

Nth Root

y√n
2√n 4629.5234095963
3√n 277.7735289602
4√n 68.040601184853
5√n 29.255970795177

Divisors of 21432487

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21432486
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21432487 can be divided by 4 positive divisors. The sum of these divisors (counting 21432487) is 1, the average is 0.25.

Base conversion 21432487

Base System Value
2 Binary 1010001110000100010100111
3 Ternary 1111022212211211
4 Quaternary 1101300202213
5 Quinary 20441314422
6 Senary 2043212251
8 Octal 121604247
10 Decimal 21432487
12 Duodecimal 7217087
16 Hexadecimal 14708a7
20 Vigesimal 6dj147
36 Base36 crdev

Cryptographic Hash Functions

md5 8aba37cbfbeeba2a5602cb073d2ba625
sha1 35d11e5aa266b99ba27655b6ec708601338ad079
sha256 b08cb0c39c685b7066a65924e49d3a6f4627db0306cc0cee866e8cd60c3953b7
sha512 dc2a5c96fa386700100f5deef938ab4083b7ca28377df581680563c7a51c79a512a4d9c0984fe664aa6b650a5673f3e2c5e7b3121f0e2bc527b366814a4195bb
ripemd-160 59759983573cf5bcf36f78fac9af8ebebf511124

21432487 as geometric shapes

Circle

Radius = n
Diameter 42864974
Circumference 134664287.41472
Area 1.4430952946901E+15

Sphere

Radius = n
Volume 4.1238828190942E+22
Surface area 5.7723811787604E+15
Circumference 134664287.41472

Square

Length = n
Perimeter 85729948
Area 459351499005169
Diagonal 30310113.790785

Cube

Length = n
Surface area 2756108994031014
Volume 9.8450450308588E+21
Space diagonal 37122156.416559

Equilateral Triangle

Length = n
Perimeter 64297461
Area 1.9890503370247E+14
Altitude 18561078.20828

Triangular Pyramid

Length = n
Surface area 1.9890503370247E+14
Volume 1.1602496837345E+21
Height 10103371.263595