21494898 (number)

21494898 is an even 8-digits composite number following 21494897 and preceding 21494899. In scientific notation, it is written as 2.1494898 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 7164960 positive integers (up to 21494898) that are relatively prime to 21494898.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1494898 × 10^7
Engineering notation 2.1494898 × 10^6

Prime Factorization of 21494898

Prime Factorization 2 × 9 × 1194161

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21494898
Product of the distinct prime numbers

The prime factorization of 21494898 is 2 × 9 × 1194161. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21494898)

Multiplication

n×y
n×2 42989796
n×3 64484694
n×4 85979592
n×5 107474490

Division

n÷y
n÷2 10747449
n÷3 7164966
n÷3 5373724.5
n÷5 4298979.6

Exponentiation

ny
n2 462030640030404
n3 9.9313014803283E+21
n4 2.134723123269E+29
n5 4.588565579291E+36

Nth Root

y√n
2√n 4636.2590522964
3√n 278.04289143778
4√n 68.090080425098
5√n 29.27298955099

Divisors of 21494898

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 -21494897
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 21494898 can be divided by 8 positive divisors. The sum of these divisors (counting 21494898) is 1, the average is 0.125.

Base conversion 21494898

Base System Value
2 Binary 1010001111111110001110010
3 Ternary 1111110001110100
4 Quaternary 1101333301302
5 Quinary 21000314043
6 Senary 2044413230
8 Octal 121776162
10 Decimal 21494898
12 Duodecimal 7247216
16 Hexadecimal 147fc72
20 Vigesimal 6e6h4i
36 Base36 cspki

Cryptographic Hash Functions

md5 c843de88a2f49cf28559b9424105bed0
sha1 f9da0abd2d475a11cc0789ef864e691928e50614
sha256 46017b2fae7582307f9248380a76bc956fb5411da80156c51f03fb76a6de4332
sha512 7e81d64d7b8ccf7d845eac79c1009a067ff0662104608ef9716d32f86895e2fbd1bfba60a95ccf2463cabd5d8076274c307b68a1fe4a76a964d9296035ee4ef0
ripemd-160 eb9ca0825f422d0ab696d4a862947877bc97549d

21494898 as geometric shapes

Circle

Radius = n
Diameter 42989796
Circumference 135056427.29292
Area 1.4515120644529E+15

Sphere

Radius = n
Volume 4.160013836158E+22
Surface area 5.8060482578116E+15
Circumference 135056427.29292

Square

Length = n
Perimeter 85979592
Area 462030640030404
Diagonal 30398376.273426

Cube

Length = n
Surface area 2772183840182424
Volume 9.9313014803283E+21
Space diagonal 37230255.439511

Equilateral Triangle

Length = n
Perimeter 64484694
Area 2.0006513579656E+14
Altitude 18615127.719755

Triangular Pyramid

Length = n
Surface area 2.0006513579656E+14
Volume 1.1704151037914E+21
Height 10132792.091142