21490718 (number)

21490718 is an even 8-digits composite number following 21490717 and preceding 21490719. In scientific notation, it is written as 2.1490718 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 10745358 positive integers (up to 21490718) that are relatively prime to 21490718.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety thousand seven hundred eighteen

Notation

Scientific notation 2.1490718 × 10^7
Engineering notation 2.1490718 × 10^6

Prime Factorization of 21490718

Prime Factorization 2 × 10745359

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21490718
Product of the distinct prime numbers

The prime factorization of 21490718 is 2 × 10745359. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21490718)

Multiplication

n×y
n×2 42981436
n×3 64472154
n×4 85962872
n×5 107453590

Division

n÷y
n÷2 10745359
n÷3 7163572.6666667
n÷3 5372679.5
n÷5 4298143.6

Exponentiation

ny
n2 461850960155524
n3 9.9255087427316E+21
n4 2.1330630939658E+29
n5 4.5841057428626E+36

Nth Root

y√n
2√n 4635.8082358959
3√n 278.02486708876
4√n 68.086769903527
5√n 29.271850949491

Divisors of 21490718

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21490717
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21490718 can be divided by 4 positive divisors. The sum of these divisors (counting 21490718) is 1, the average is 0.25.

Base conversion 21490718

Base System Value
2 Binary 1010001111110110000011110
3 Ternary 1111102211201112
4 Quaternary 1101332300132
5 Quinary 21000200333
6 Senary 2044342022
8 Octal 121766036
10 Decimal 21490718
12 Duodecimal 7244912
16 Hexadecimal 147ec1e
20 Vigesimal 6e66fi
36 Base36 csmce

Cryptographic Hash Functions

md5 5ef9bba5a6d783ec5e921cef805260d9
sha1 2fce4fe9dac9916641ff70bb83898c5ec64e0f75
sha256 3d765d093a92f5941e87e742a10e1ac2fcdf8013f6de60acab8422f8632f310a
sha512 2caa2472fc7a052141fc073149a7c4327d31d4f8450c1f9a528f1ecba61436cdf1a2b2f56f9733d7b0c88d004b7acde4110968c62b529b53d7667ec0859eca42
ripemd-160 9cbb0a448e53804f974dd8241ba751c9f5bf11fc

21490718 as geometric shapes

Circle

Radius = n
Diameter 42981436
Circumference 135030163.57834
Area 1.450947583478E+15

Sphere

Radius = n
Volume 4.1575873799076E+22
Surface area 5.8037903339119E+15
Circumference 135030163.57834

Square

Length = n
Perimeter 85962872
Area 461850960155524
Diagonal 30392464.860736

Cube

Length = n
Surface area 2771105760933144
Volume 9.9255087427316E+21
Space diagonal 37223015.467135

Equilateral Triangle

Length = n
Perimeter 64472154
Area 1.9998733212846E+14
Altitude 18611507.733568

Triangular Pyramid

Length = n
Surface area 1.9998733212846E+14
Volume 1.1697324231186E+21
Height 10130821.620245