21090908 (number)

21090908 is an even 8-digits composite number following 21090907 and preceding 21090909. In scientific notation, it is written as 2.1090908 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors. There are 10086912 positive integers (up to 21090908) that are relatively prime to 21090908.

Interesting facts

Basic properties

Name

Name twenty-one million ninety thousand nine hundred eight

Notation

Scientific notation 2.1090908 × 10^7
Engineering notation 2.1090908 × 10^6

Prime Factorization of 21090908

Prime Factorization 2 × 2 × 23 × 229249

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10545454
Product of the distinct prime numbers

The prime factorization of 21090908 is 2 × 2 × 23 × 229249. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21090908)

Multiplication

n×y
n×2 42181816
n×3 63272724
n×4 84363632
n×5 105454540

Division

n÷y
n÷2 10545454
n÷3 7030302.6666667
n÷3 5272727
n÷5 4218181.6

Exponentiation

ny
n2 444826400264464
n3 9.381792683949E+21
n4 1.9787052637224E+29
n5 4.1732690676285E+36

Nth Root

y√n
2√n 4592.4838595253
3√n 276.28995293104
4√n 67.767867455936
5√n 29.162117497653

Divisors of 21090908

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 -21090907
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 21090908 can be divided by 12 positive divisors. The sum of these divisors (counting 21090908) is 1, the average is 0.083333333333333.

Base conversion 21090908

Base System Value
2 Binary 1010000011101001001011100
3 Ternary 1110200112021202
4 Quaternary 1100131021130
5 Quinary 20344402113
6 Senary 2032015032
8 Octal 120351134
10 Decimal 21090908
12 Duodecimal 7091478
16 Hexadecimal 141d25c
20 Vigesimal 6bg758
36 Base36 ck1uk

Cryptographic Hash Functions

md5 5d0de5b0f7bc4daa95e66f6bcc3b4b9a
sha1 ce4bcec84ac4a86aa41bbcac835c83d511fa306e
sha256 b8694220cffae35aa980485ecb938e6fbbb5403895caeb657e7417c28cbc9267
sha512 19b74baff13599ca0dd0ed66aae06b48bba4a937019f42f5cf49395d932f34355b8cf09e6faa6421c1c5b1207f1fb20f176a96fb2ece2776fbe0a8959869071c
ripemd-160 93d9f06d2bd6b2f95ff551962506b3626858a0bb

21090908 as geometric shapes

Circle

Radius = n
Diameter 42181816
Circumference 132518083.26068
Area 1.3974633511936E+15

Sphere

Radius = n
Volume 3.9298361297862E+22
Surface area 5.5898534047745E+15
Circumference 132518083.26068

Square

Length = n
Perimeter 84363632
Area 444826400264464
Diagonal 29827048.136363

Cube

Length = n
Surface area 2668958401586784
Volume 9.381792683949E+21
Space diagonal 36530524.233761

Equilateral Triangle

Length = n
Perimeter 63272724
Area 1.9261548145151E+14
Altitude 18265262.11688

Triangular Pyramid

Length = n
Surface area 1.9261548145151E+14
Volume 1.1056548710844E+21
Height 9942349.3787877