21490836 (number)

21490836 is an even 8-digits composite number following 21490835 and preceding 21490837. In scientific notation, it is written as 2.1490836 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors. There are 7148640 positive integers (up to 21490836) that are relatively prime to 21490836.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1490836 × 10^7
Engineering notation 2.1490836 × 10^6

Prime Factorization of 21490836

Prime Factorization 2 × 2 × 3 × 563 × 3181

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10745418
Product of the distinct prime numbers

The prime factorization of 21490836 is 2 × 2 × 3 × 563 × 3181. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21490836)

Multiplication

n×y
n×2 42981672
n×3 64472508
n×4 85963344
n×5 107454180

Division

n÷y
n÷2 10745418
n÷3 7163612
n÷3 5372709
n÷5 4298167.2

Exponentiation

ny
n2 461856031978896
n3 9.9256722388692E+21
n4 2.1331099427529E+29
n5 4.5842315949672E+36

Nth Root

y√n
2√n 4635.8209628932
3√n 278.02537594215
4√n 68.086863365066
5√n 29.27188309426

Divisors of 21490836

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 -21490835
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 21490836 can be divided by 24 positive divisors. The sum of these divisors (counting 21490836) is 1, the average is 0.041666666666667.

Base conversion 21490836

Base System Value
2 Binary 1010001111110110010010100
3 Ternary 1111102211212220
4 Quaternary 1101332302110
5 Quinary 21000201321
6 Senary 2044342340
8 Octal 121766224
10 Decimal 21490836
12 Duodecimal 72449b0
16 Hexadecimal 147ec94
20 Vigesimal 6e671g
36 Base36 csmfo

Cryptographic Hash Functions

md5 f6b78f8eed58492c5a6c54421ecc766d
sha1 8c5dfaaee1440eb473b19576a3b0a776d0c38ba5
sha256 373d440ab2e137890193b5a3402e0adb59def6265d390be6b9d223acb6b8ded1
sha512 e631a69bd304a27877f50bb92eb0b02c5e96115356ea6919bd886d199dea711842f11feb3f5249c5a7b35d76f20d6744e1cd09a7e9c7346e35547e50bb446e14
ripemd-160 8a16dbdb6f616d236935465c111e5ceb8e622648

21490836 as geometric shapes

Circle

Radius = n
Diameter 42981672
Circumference 135030904.99421
Area 1.450963517081E+15

Sphere

Radius = n
Volume 4.1576558650096E+22
Surface area 5.8038540683241E+15
Circumference 135030904.99421

Square

Length = n
Perimeter 85963344
Area 461856031978896
Diagonal 30392631.737936

Cube

Length = n
Surface area 2771136191873376
Volume 9.9256722388692E+21
Space diagonal 37223219.84913

Equilateral Triangle

Length = n
Perimeter 64472508
Area 1.999895282924E+14
Altitude 18611609.924565

Triangular Pyramid

Length = n
Surface area 1.999895282924E+14
Volume 1.1697516913232E+21
Height 10130877.245979