21508764 (number)

21508764 is an even 8-digits composite number following 21508763 and preceding 21508765. In scientific notation, it is written as 2.1508764 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors. There are 6994560 positive integers (up to 21508764) that are relatively prime to 21508764.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1508764 × 10^7
Engineering notation 2.1508764 × 10^6

Prime Factorization of 21508764

Prime Factorization 2 × 2 × 3 × 41 × 43717

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10754382
Product of the distinct prime numbers

The prime factorization of 21508764 is 2 × 2 × 3 × 41 × 43717. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 3, 77, 94, 9, 268, 1009, 6214, 69238, 88551, 504202, 251863, 2596170, 9808732, 2302376, 62543679, 553252538, 895526494, 1995734961, 9058326986

Basic calculations (n = 21508764)

Multiplication

n×y
n×2 43017528
n×3 64526292
n×4 86035056
n×5 107543820

Division

n÷y
n÷2 10754382
n÷3 7169588
n÷3 5377191
n÷5 4301752.8

Exponentiation

ny
n2 462626928807696
n3 9.9505334317695E+21
n4 2.1402367525804E+29
n5 4.6033847215378E+36

Nth Root

y√n
2√n 4637.754197885
3√n 278.10266552966
4√n 68.101058713393
5√n 29.276765280264

Divisors of 21508764

1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 43717, 87434, 131151, 174868, 262302, 524604, 1792397, 3584794, 5377191, 7169588, 10754382, 21508764

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 -21508763
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 21508764 can be divided by 24 positive divisors. The sum of these divisors (counting 21508764) is 1, the average is 0.041666666666667.

Base conversion 21508764

Base System Value
2 Binary 1010010000011001010011100
3 Ternary 1111110202110220
4 Quaternary 1102003022130
5 Quinary 21001240024
6 Senary 2045001340
8 Octal 122031234
10 Decimal 21508764
12 Duodecimal 7253250
16 Hexadecimal 148329c
20 Vigesimal 6e8bi4
36 Base36 ct09o

Cryptographic Hash Functions

md5 fc155b72e8f4121326a91d1fd7ddb7d0
sha1 1eb025bfb0e81eba06dcc11521563bf739fe5a30
sha256 1493fe18ac5d391454b7af2fd3db04e55ee1ff153541e41a2b95f8b6f44c316c
sha512 555c0acdbd58b87cfaeb1b32817ac7398a6270bc6ba9dfa3f0e21197d7e6c7eafe1a63cf83fb550b44dfe69d6310c37501484dc8fa40b2117cfce8c45fa3de3b
ripemd-160 21678f9497413ddc976e535a114b8ab69070c850

21508764 as geometric shapes

Circle

Radius = n
Diameter 43017528
Circumference 135143549.94039
Area 1.4533853608951E+15

Sphere

Radius = n
Volume 4.1680696971396E+22
Surface area 5.8135414435803E+15
Circumference 135143549.94039

Square

Length = n
Perimeter 86035056
Area 462626928807696
Diagonal 30417985.758682

Cube

Length = n
Surface area 2775761572846176
Volume 9.9505334317695E+21
Space diagonal 37254272.056008

Equilateral Triangle

Length = n
Perimeter 64526292
Area 2.0032333641112E+14
Altitude 18627136.028004

Triangular Pyramid

Length = n
Surface area 2.0032333641112E+14
Volume 1.1726816110046E+21
Height 10139328.586227