21243657 (number)

21243657 is an odd 8-digits composite number following 21243656 and preceding 21243658. In scientific notation, it is written as 2.1243657 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 13968288 positive integers (up to 21243657) that are relatively prime to 21243657.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred forty-three thousand six hundred fifty-seven

Notation

Scientific notation 2.1243657 × 10^7
Engineering notation 2.1243657 × 10^6

Prime Factorization of 21243657

Prime Factorization 3 × 73 × 97003

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21243657
Product of the distinct prime numbers

The prime factorization of 21243657 is 3 × 73 × 97003. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21243657)

Multiplication

n×y
n×2 42487314
n×3 63730971
n×4 84974628
n×5 106218285

Division

n÷y
n÷2 10621828.5
n÷3 7081219
n÷3 5310914.25
n÷5 4248731.4

Exponentiation

ny
n2 451292962733649
n3 9.5871129068274E+21
n4 2.0366533821291E+29
n5 4.3265965877842E+36

Nth Root

y√n
2√n 4609.0841823512
3√n 276.95535083845
4√n 67.890236281451
5√n 29.204236458092

Divisors of 21243657

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21243656
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21243657 can be divided by 8 positive divisors. The sum of these divisors (counting 21243657) is 1, the average is 0.125.

Base conversion 21243657

Base System Value
2 Binary 1010001000010011100001001
3 Ternary 1110222021211010
4 Quaternary 1101002130021
5 Quinary 20414244112
6 Senary 2035154133
8 Octal 121023411
10 Decimal 21243657
12 Duodecimal 7145949
16 Hexadecimal 1442709
20 Vigesimal 6cf92h
36 Base36 cnbpl

Cryptographic Hash Functions

md5 2f06071ee1b47e97e621e4831127355d
sha1 319c3e88d1b9f1c6c7c57bcaede8980b407d6204
sha256 3a9f6e541a9ab397a9f9ccc6d23102819d3af795654f5d80c994284b56bc0337
sha512 2a235d506d48e4e3c0fb5685fca7ac534c40c163b211d66a4d665cc85794cc61990c6abed2e8692b340cf3c347166b35d870f8376eedf8210bf69f8e647e682b
ripemd-160 b1b4ead4c63a89f7c59443d711a72850255b43d9

21243657 as geometric shapes

Circle

Radius = n
Diameter 42487314
Circumference 133477833.53316
Area 1.4177786563408E+15

Sphere

Radius = n
Volume 4.01584046363E+22
Surface area 5.6711146253632E+15
Circumference 133477833.53316

Square

Length = n
Perimeter 84974628
Area 451292962733649
Diagonal 30043067.843802

Cube

Length = n
Surface area 2707757776401894
Volume 9.5871129068274E+21
Space diagonal 36795093.262566

Equilateral Triangle

Length = n
Perimeter 63730971
Area 1.9541558513824E+14
Altitude 18397546.631283

Triangular Pyramid

Length = n
Surface area 1.9541558513824E+14
Volume 1.1298520914031E+21
Height 10014355.947934