21490218 (number)

21490218 is an even 8-digits composite number following 21490217 and preceding 21490219. In scientific notation, it is written as 2.1490218 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 6915888 positive integers (up to 21490218) that are relatively prime to 21490218.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1490218 × 10^7
Engineering notation 2.1490218 × 10^6

Prime Factorization of 21490218

Prime Factorization 2 × 27 × 29 × 13723

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21490218
Product of the distinct prime numbers

The prime factorization of 21490218 is 2 × 27 × 29 × 13723. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 9, 21, 22, 195, 536, 7487, 2392, 46362, 7397, 641767, 377372, 4827317, 2284996, 84909114, 98224016, 606073784, 628010638, 9564444734, 8102554139

Basic calculations (n = 21490218)

Multiplication

n×y
n×2 42980436
n×3 64470654
n×4 85960872
n×5 107451090

Division

n÷y
n÷2 10745109
n÷3 7163406
n÷3 5372554.5
n÷5 4298043.6

Exponentiation

ny
n2 461829469687524
n3 9.9248159824093E+21
n4 2.1328645907186E+29
n5 4.5835725019023E+36

Nth Root

y√n
2√n 4635.7543075534
3√n 278.02271090965
4√n 68.086373875787
5√n 29.271714741276

Divisors of 21490218

1, 2, 27, 29, 54, 58, 783, 1566, 13723, 27446, 370521, 397967, 741042, 795934, 10745109, 21490218

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21490217
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21490218 can be divided by 16 positive divisors. The sum of these divisors (counting 21490218) is 1, the average is 0.0625.

Base conversion 21490218

Base System Value
2 Binary 1010001111110101000101010
3 Ternary 1111102211001000
4 Quaternary 1101332220222
5 Quinary 21000141333
6 Senary 2044335430
8 Octal 121765052
10 Decimal 21490218
12 Duodecimal 7244576
16 Hexadecimal 147ea2a
20 Vigesimal 6e65ai
36 Base36 cslyi

Cryptographic Hash Functions

md5 d758d652fe49419b0ccf5fd1d8f7d06b
sha1 e9534f913b5d549a9bf4f807c2558e4a7ce8386f
sha256 35135a73dd9d650e5917779217b9345c54455aa6defdc21878c8936fca97c458
sha512 be03c7c4c9dd40bec1e60223f961a0917005d6309926b8e49d4b861ed312996055f7ee35857290a6c5e8b5fe7142a4f0e9e61604c4e8297e9593e5cd5b80c94e
ripemd-160 097dd82cb0384f61b569bb2427e372ca1cd8b03c

21490218 as geometric shapes

Circle

Radius = n
Diameter 42980436
Circumference 135027021.98569
Area 1.4508800691816E+15

Sphere

Radius = n
Volume 4.1572971971423E+22
Surface area 5.8035202767264E+15
Circumference 135027021.98569

Square

Length = n
Perimeter 85960872
Area 461829469687524
Diagonal 30391757.753954

Cube

Length = n
Surface area 2770976818125144
Volume 9.9248159824093E+21
Space diagonal 37222149.441731

Equilateral Triangle

Length = n
Perimeter 64470654
Area 1.9997802648285E+14
Altitude 18611074.720866

Triangular Pyramid

Length = n
Surface area 1.9997802648285E+14
Volume 1.1696507805317E+21
Height 10130585.917985