21490838 (number)

21490838 is an even 8-digits composite number following 21490837 and preceding 21490839. In scientific notation, it is written as 2.1490838 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 10738800 positive integers (up to 21490838) that are relatively prime to 21490838.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety thousand eight hundred thirty-eight

Notation

Scientific notation 2.1490838 × 10^7
Engineering notation 2.1490838 × 10^6

Prime Factorization of 21490838

Prime Factorization 2 × 2851 × 3769

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21490838
Product of the distinct prime numbers

The prime factorization of 21490838 is 2 × 2851 × 3769. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21490838)

Multiplication

n×y
n×2 42981676
n×3 64472514
n×4 85963352
n×5 107454190

Division

n÷y
n÷2 10745419
n÷3 7163612.6666667
n÷3 5372709.5
n÷5 4298167.6

Exponentiation

ny
n2 461856117942244
n3 9.9256750100057E+21
n4 2.1331107368068E+29
n5 4.5842337280776E+36

Nth Root

y√n
2√n 4635.8211786047
3√n 278.02538456677
4√n 68.086864949157
5√n 29.271883639086

Divisors of 21490838

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21490837
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21490838 can be divided by 8 positive divisors. The sum of these divisors (counting 21490838) is 1, the average is 0.125.

Base conversion 21490838

Base System Value
2 Binary 1010001111110110010010110
3 Ternary 1111102211212222
4 Quaternary 1101332302112
5 Quinary 21000201323
6 Senary 2044342342
8 Octal 121766226
10 Decimal 21490838
12 Duodecimal 72449b2
16 Hexadecimal 147ec96
20 Vigesimal 6e671i
36 Base36 csmfq

Cryptographic Hash Functions

md5 5c003d7aefd4375099f6bcea9f4f05d3
sha1 67bf80e2c08d67528f0cecf3ebbcc6fea7f448a8
sha256 a99dfda0d53c36949332eb4225903c652200fc85353f2367e841e698655271e6
sha512 b41bd4b18849121b466c514bb82d86b27c70170e6216809b910da6e9cec168decebcea307734eacce30874560afd930686f4a12bcd13a7bcf938e245987f357d
ripemd-160 82d85c9ee092c9375c3d0264bfa35c05bfd6d0ff

21490838 as geometric shapes

Circle

Radius = n
Diameter 42981676
Circumference 135030917.56058
Area 1.4509637871429E+15

Sphere

Radius = n
Volume 4.1576570257805E+22
Surface area 5.8038551485714E+15
Circumference 135030917.56058

Square

Length = n
Perimeter 85963352
Area 461856117942244
Diagonal 30392634.566363

Cube

Length = n
Surface area 2771136707653464
Volume 9.9256750100057E+21
Space diagonal 37223223.313232

Equilateral Triangle

Length = n
Perimeter 64472514
Area 1.9998956551562E+14
Altitude 18611611.656616

Triangular Pyramid

Length = n
Surface area 1.9998956551562E+14
Volume 1.1697520179048E+21
Height 10130878.188788