21508748 (number)

21508748 is an even 8-digits composite number following 21508747 and preceding 21508749. In scientific notation, it is written as 2.1508748 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 6 positive divisors. There are 10754372 positive integers (up to 21508748) that are relatively prime to 21508748.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred eight thousand seven hundred forty-eight

Notation

Scientific notation 2.1508748 × 10^7
Engineering notation 2.1508748 × 10^6

Prime Factorization of 21508748

Prime Factorization 2 × 2 × 5377187

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 10754374
Product of the distinct prime numbers

The prime factorization of 21508748 is 2 × 2 × 5377187. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21508748)

Multiplication

n×y
n×2 43017496
n×3 64526244
n×4 86034992
n×5 107543740

Division

n÷y
n÷2 10754374
n÷3 7169582.6666667
n÷3 5377187
n÷5 4301749.6

Exponentiation

ny
n2 462626240527504
n3 9.9505112256935E+21
n4 2.1402303842461E+29
n5 4.6033675996693E+36

Nth Root

y√n
2√n 4637.7524729119
3√n 278.10259657104
4√n 68.101046048588
5√n 29.276760924566

Divisors of 21508748

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21508747
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21508748 can be divided by 6 positive divisors. The sum of these divisors (counting 21508748) is 1, the average is 0.16666666666667.

Base conversion 21508748

Base System Value
2 Binary 1010010000011001010001100
3 Ternary 1111110202110022
4 Quaternary 1102003022030
5 Quinary 21001234443
6 Senary 2045001312
8 Octal 122031214
10 Decimal 21508748
12 Duodecimal 7253238
16 Hexadecimal 148328c
20 Vigesimal 6e8bh8
36 Base36 ct098

Cryptographic Hash Functions

md5 365754e0402e5a79ba5debbbb0e43900
sha1 04d4e66b363f371e3748361471a55fda23ed707a
sha256 150ae79cd3cb6fa26c4430385c2bae55e91151ccc2a420f340111690f904c67a
sha512 5579de14734c52b385222803080772ece6f96a7fac979a775958b8a2bd722b2a2f4758520890e75b516cc60fed9b75f896503b4ab921f6b77414fbed8e73bce0
ripemd-160 ef4198e0f6ee9a038417232031701065a1bdae84

21508748 as geometric shapes

Circle

Radius = n
Diameter 43017496
Circumference 135143449.40943
Area 1.4533831985991E+15

Sphere

Radius = n
Volume 4.1680603954802E+22
Surface area 5.8135327943963E+15
Circumference 135143449.40943

Square

Length = n
Perimeter 86034992
Area 462626240527504
Diagonal 30417963.131265

Cube

Length = n
Surface area 2775757443165024
Volume 9.9505112256935E+21
Space diagonal 37254244.343195

Equilateral Triangle

Length = n
Perimeter 64526244
Area 2.0032303837705E+14
Altitude 18627122.171598

Triangular Pyramid

Length = n
Surface area 2.0032303837705E+14
Volume 1.1726789939935E+21
Height 10139321.043755