21254788 (number)

21254788 is an even 8-digits composite number following 21254787 and preceding 21254789. In scientific notation, it is written as 2.1254788 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors. There are 10617480 positive integers (up to 21254788) that are relatively prime to 21254788.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred fifty-four thousand seven hundred eighty-eight

Notation

Scientific notation 2.1254788 × 10^7
Engineering notation 2.1254788 × 10^6

Prime Factorization of 21254788

Prime Factorization 2 × 2 × 3391 × 1567

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10627394
Product of the distinct prime numbers

The prime factorization of 21254788 is 2 × 2 × 3391 × 1567. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 7, 60, 66, 629, 778, 2486, 6099, 56559, 10191, 258127, 878684, 9938060, 5684699, 62198606, 2529252, 358877448, 335370381, 2940089262, 9487645195

Basic calculations (n = 21254788)

Multiplication

n×y
n×2 42509576
n×3 63764364
n×4 85019152
n×5 106273940

Division

n÷y
n÷2 10627394
n÷3 7084929.3333333
n÷3 5313697
n÷5 4250957.6

Exponentiation

ny
n2 451766012924944
n3 9.6021908303249E+21
n4 2.040925304341E+29
n5 4.3379434667604E+36

Nth Root

y√n
2√n 4610.2915309121
3√n 277.00371432155
4√n 67.899127615251
5√n 29.207296234913

Divisors of 21254788

1, 2, 4, 1567, 3134, 3391, 6268, 6782, 13564, 5313697, 10627394, 21254788

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 -21254787
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 21254788 can be divided by 12 positive divisors. The sum of these divisors (counting 21254788) is 1, the average is 0.083333333333333.

Base conversion 21254788

Base System Value
2 Binary 1010001000101001010000100
3 Ternary 1110222212002101
4 Quaternary 1101011022010
5 Quinary 20420123123
6 Senary 2035321444
8 Octal 121051204
10 Decimal 21254788
12 Duodecimal 7150284
16 Hexadecimal 1445284
20 Vigesimal 6cggj8
36 Base36 cnkas

Cryptographic Hash Functions

md5 bbfaba0259e08c1a21ace46a34cb856f
sha1 34948e5cac75eb9ef0d691f927a1959ae3d92e8c
sha256 49912b48b06269d69c2e49c9d174171ef2da39d2a08643cbf25c656d0854cd14
sha512 422f2b7c05aaa0ae23bedb5fc381ca82cac90692f98fa5acee59e0c949301d5dc4102a664b62f1346133b8177241f33df6155d91123fd53e807f93433b568045
ripemd-160 30b0231c716adec099decbabd7957dbeeff631d9

21254788 as geometric shapes

Circle

Radius = n
Diameter 42509576
Circumference 133547771.66882
Area 1.4192647873466E+15

Sphere

Radius = n
Volume 4.0221562894555E+22
Surface area 5.6770591493862E+15
Circumference 133547771.66882

Square

Length = n
Perimeter 85019152
Area 451766012924944
Diagonal 30058809.454965

Cube

Length = n
Surface area 2710596077549664
Volume 9.6021908303249E+21
Space diagonal 36814372.720105

Equilateral Triangle

Length = n
Perimeter 63764364
Area 1.9562042187971E+14
Altitude 18407186.360053

Triangular Pyramid

Length = n
Surface area 1.9562042187971E+14
Volume 1.1316290417283E+21
Height 10019603.151655