21486908 (number)

21486908 is an even 8-digits composite number following 21486907 and preceding 21486909. In scientific notation, it is written as 2.1486908 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 6 positive divisors. There are 10743452 positive integers (up to 21486908) that are relatively prime to 21486908.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred eighty-six thousand nine hundred eight

Notation

Scientific notation 2.1486908 × 10^7
Engineering notation 2.1486908 × 10^6

Prime Factorization of 21486908

Prime Factorization 2 × 2 × 5371727

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 10743454
Product of the distinct prime numbers

The prime factorization of 21486908 is 2 × 2 × 5371727. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21486908)

Multiplication

n×y
n×2 42973816
n×3 64460724
n×4 85947632
n×5 107434540

Division

n÷y
n÷2 10743454
n÷3 7162302.6666667
n÷3 5371727
n÷5 4297381.6

Exponentiation

ny
n2 461687215400464
n3 9.920230722086E+21
n4 2.1315508486423E+29
n5 4.58004369821E+36

Nth Root

y√n
2√n 4635.3972861018
3√n 278.00843616033
4√n 68.083751997828
5√n 29.270812978943

Divisors of 21486908

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 -21486907
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 21486908 can be divided by 6 positive divisors. The sum of these divisors (counting 21486908) is 1, the average is 0.16666666666667.

Base conversion 21486908

Base System Value
2 Binary 1010001111101110100111100
3 Ternary 1111102122111102
4 Quaternary 1101331310330
5 Quinary 21000040113
6 Senary 2044312232
8 Octal 121756474
10 Decimal 21486908
12 Duodecimal 7242678
16 Hexadecimal 147dd3c
20 Vigesimal 6e5h58
36 Base36 csjek

Cryptographic Hash Functions

md5 0c697ab3c65466ddc283a91d24861574
sha1 c40d2588fc96c032ae262b4c12945b1940d782e0
sha256 c74ca1ba59ac1e1929e1d6d360dbde787c67800411b9fb05dab83195259eedcd
sha512 1fd66a8991e5a2fd84939b927381cfd8bcc5c7c96682fb63ff22a4701171a51b1194a056a634ce26f63f4e33ca7d36693ca19492320e1a2e073fa5ef571195cd
ripemd-160 21c07f802c1e2397d014d66c616a866f6907542c

21486908 as geometric shapes

Circle

Radius = n
Diameter 42973816
Circumference 135006224.64232
Area 1.4504331641584E+15

Sphere

Radius = n
Volume 4.1553765277895E+22
Surface area 5.8017326566337E+15
Circumference 135006224.64232

Square

Length = n
Perimeter 85947632
Area 461687215400464
Diagonal 30387076.707063

Cube

Length = n
Surface area 2770123292402784
Volume 9.920230722086E+21
Space diagonal 37216416.353558

Equilateral Triangle

Length = n
Perimeter 64460724
Area 1.9991642856965E+14
Altitude 18608208.176779

Triangular Pyramid

Length = n
Surface area 1.9991642856965E+14
Volume 1.1691104024203E+21
Height 10129025.569021