21243651 (number)

21243651 is an odd 8-digits composite number following 21243650 and preceding 21243652. In scientific notation, it is written as 2.1243651 × 10^7. The sum of its digits is 24. It has a total of 5 prime factors and 32 positive divisors. There are 11362560 positive integers (up to 21243651) that are relatively prime to 21243651.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1243651 × 10^7
Engineering notation 2.1243651 × 10^6

Prime Factorization of 21243651

Prime Factorization 3 × 23 × 13 × 11 × 2153

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21243651
Product of the distinct prime numbers

The prime factorization of 21243651 is 3 × 23 × 13 × 11 × 2153. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21243651)

Multiplication

n×y
n×2 42487302
n×3 63730953
n×4 84974604
n×5 106218255

Division

n÷y
n÷2 10621825.5
n÷3 7081217
n÷3 5310912.75
n÷5 4248730.2

Exponentiation

ny
n2 451292707809801
n3 9.5871047835564E+21
n4 2.036651081223E+29
n5 4.3265904778275E+36

Nth Root

y√n
2√n 4609.0835314626
3√n 276.95532476428
4√n 67.890231487767
5√n 29.204234808419

Divisors of 21243651

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21243650
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21243651 can be divided by 32 positive divisors. The sum of these divisors (counting 21243651) is 1, the average is 0.03125.

Base conversion 21243651

Base System Value
2 Binary 1010001000010011100000011
3 Ternary 1110222021210220
4 Quaternary 1101002130003
5 Quinary 20414244101
6 Senary 2035154123
8 Octal 121023403
10 Decimal 21243651
12 Duodecimal 7145943
16 Hexadecimal 1442703
20 Vigesimal 6cf92b
36 Base36 cnbpf

Cryptographic Hash Functions

md5 95a90eb02e9c393732eef21af36a3196
sha1 077ce4dfc2d35586ca413d8de9db351e3e388367
sha256 fd36bd5d8771a4d7e52063d1c76588b2b4258fb10ef2698a2a5ebbdff8973506
sha512 1d74e83a8895076b5ff63dfeb1d633a2dbce43b25cbdc847064d511da194de23e256695d369c098cfe007e501b7584263d2ad958e4155c37668242665bbe84a5
ripemd-160 e192876626ae5a6ad9127dac91af1e3b17279e46

21243651 as geometric shapes

Circle

Radius = n
Diameter 42487302
Circumference 133477795.83405
Area 1.4177778554739E+15

Sphere

Radius = n
Volume 4.0158370609622E+22
Surface area 5.6711114218957E+15
Circumference 133477795.83405

Square

Length = n
Perimeter 84974604
Area 451292707809801
Diagonal 30043059.358521

Cube

Length = n
Surface area 2707756246858806
Volume 9.5871047835564E+21
Space diagonal 36795082.870261

Equilateral Triangle

Length = n
Perimeter 63730953
Area 1.9541547475298E+14
Altitude 18397541.435131

Triangular Pyramid

Length = n
Surface area 1.9541547475298E+14
Volume 1.1298511340665E+21
Height 10014353.119507