21490418 (number)

21490418 is an even 8-digits composite number following 21490417 and preceding 21490419. In scientific notation, it is written as 2.1490418 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 10278004 positive integers (up to 21490418) that are relatively prime to 21490418.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1490418 × 10^7
Engineering notation 2.1490418 × 10^6

Prime Factorization of 21490418

Prime Factorization 2 × 23 × 467183

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21490418
Product of the distinct prime numbers

The prime factorization of 21490418 is 2 × 23 × 467183. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 9, 89, 31, 960, 410, 7652, 5733, 98151, 16609, 515007, 380575, 843836, 8922873, 45922794, 99220394, 103469310, 491768808, 5309189515, 5686405570

Basic calculations (n = 21490418)

Multiplication

n×y
n×2 42980836
n×3 64471254
n×4 85961672
n×5 107452090

Division

n÷y
n÷2 10745209
n÷3 7163472.6666667
n÷3 5372604.5
n÷5 4298083.6

Exponentiation

ny
n2 461838065814724
n3 9.9250930826699E+21
n4 2.1329439903549E+29
n5 4.5837857923314E+36

Nth Root

y√n
2√n 4635.7758789657
3√n 278.0235733853
4√n 68.086532287712
5√n 29.271769224867

Divisors of 21490418

1, 2, 23, 46, 467183, 934366, 10745209, 21490418

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 -21490417
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 21490418 can be divided by 8 positive divisors. The sum of these divisors (counting 21490418) is 1, the average is 0.125.

Base conversion 21490418

Base System Value
2 Binary 1010001111110101011110010
3 Ternary 1111102211022102
4 Quaternary 1101332223302
5 Quinary 21000143133
6 Senary 2044340402
8 Octal 121765362
10 Decimal 21490418
12 Duodecimal 7244702
16 Hexadecimal 147eaf2
20 Vigesimal 6e660i
36 Base36 csm42

Cryptographic Hash Functions

md5 e16686fd9f01dc0f5e041b6d93173bbe
sha1 1a4a0366f9a94ce7d8eeb2d09ed3825a61387351
sha256 c9b9f049127d0c1b5a4d96f2fb96ebbce7a1e18d16b870889577b72d7674eee0
sha512 cb792d1b218acb22b2cca41b03cb1a8a2f9b06222d241ec2e0e00fb805621455a0de8c52b2a53106942e4c4dab1bc3f826b94f7ecd77b4b620bf19ba42535954
ripemd-160 4f0986eec8120824948a6c6417516e3e9e38b162

21490418 as geometric shapes

Circle

Radius = n
Diameter 42980836
Circumference 135028278.62275
Area 1.4509070747117E+15

Sphere

Radius = n
Volume 4.1574132686281E+22
Surface area 5.8036282988466E+15
Circumference 135028278.62275

Square

Length = n
Perimeter 85961672
Area 461838065814724
Diagonal 30392040.596667

Cube

Length = n
Surface area 2771028394888344
Volume 9.9250930826699E+21
Space diagonal 37222495.851893

Equilateral Triangle

Length = n
Perimeter 64471254
Area 1.9998174871511E+14
Altitude 18611247.925946

Triangular Pyramid

Length = n
Surface area 1.9998174871511E+14
Volume 1.1696834371106E+21
Height 10130680.198889