21505764 (number)

21505764 is an even 8-digits composite number following 21505763 and preceding 21505765. In scientific notation, it is written as 2.1505764 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors. There are 6144480 positive integers (up to 21505764) that are relatively prime to 21505764.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred five thousand seven hundred sixty-four

Notation

Scientific notation 2.1505764 × 10^7
Engineering notation 2.1505764 × 10^6

Prime Factorization of 21505764

Prime Factorization 2 × 2 × 7 × 3 × 256021

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10752882
Product of the distinct prime numbers

The prime factorization of 21505764 is 2 × 2 × 7 × 3 × 256021. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 3, 41, 73, 746, 766, 270, 6128, 49986, 43306, 961689, 798158, 2497186, 5962286, 63308231, 38078901, 363727962, 61049602, 145099407, 1093225031

Basic calculations (n = 21505764)

Multiplication

n×y
n×2 43011528
n×3 64517292
n×4 86023056
n×5 107528820

Division

n÷y
n÷2 10752882
n÷3 7168588
n÷3 5376441
n÷5 4301152.8

Exponentiation

ny
n2 462497885223696
n3 9.9463703701199E+21
n4 2.1390429383639E+29
n5 4.6001752618321E+36

Nth Root

y√n
2√n 4637.4307542
3√n 278.08973519129
4√n 68.098683938825
5√n 29.275948541595

Divisors of 21505764

1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 256021, 512042, 768063, 1024084, 1536126, 1792147, 3072252, 3584294, 5376441, 7168588, 10752882, 21505764

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21505763
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21505764 can be divided by 24 positive divisors. The sum of these divisors (counting 21505764) is 1, the average is 0.041666666666667.

Base conversion 21505764

Base System Value
2 Binary 1010010000010011011100100
3 Ternary 1111110121100210
4 Quaternary 1102002123210
5 Quinary 21001141024
6 Senary 2044535420
8 Octal 122023344
10 Decimal 21505764
12 Duodecimal 7251570
16 Hexadecimal 14826e4
20 Vigesimal 6e8484
36 Base36 csxyc

Cryptographic Hash Functions

md5 018d9cb1dda705a78439fadb12ea4320
sha1 541a2ff3e1fd5c8506e7d291f6b26dc51102b5fb
sha256 058673784ff8242f49a4e405553693cc9b3d38584ccf091d4ce15a90194b1f34
sha512 9c534f9d771f1e67cffe5d7e92f09a4e85a3fc5605ed17d28594a4bd5d2110f5aa91f7356ac33089f33b2d087591a2c6b809af8778fbad1b74140568e426aaad
ripemd-160 e142eb46374a5e5913e878da95164ba818be0fa7

21505764 as geometric shapes

Circle

Radius = n
Diameter 43011528
Circumference 135124700.38447
Area 1.4529799585196E+15

Sphere

Radius = n
Volume 4.1663258779536E+22
Surface area 5.8119198340783E+15
Circumference 135124700.38447

Square

Length = n
Perimeter 86023056
Area 462497885223696
Diagonal 30413743.117995

Cube

Length = n
Surface area 2774987311342176
Volume 9.9463703701199E+21
Space diagonal 37249075.903586

Equilateral Triangle

Length = n
Perimeter 64517292
Area 2.0026745890015E+14
Altitude 18624537.951793

Triangular Pyramid

Length = n
Surface area 2.0026745890015E+14
Volume 1.1721909894841E+21
Height 10137914.372665