21491698 (number)

21491698 is an even 8-digits composite number following 21491697 and preceding 21491699. In scientific notation, it is written as 2.1491698 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 10180260 positive integers (up to 21491698) that are relatively prime to 21491698.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1491698 × 10^7
Engineering notation 2.1491698 × 10^6

Prime Factorization of 21491698

Prime Factorization 2 × 19 × 565571

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21491698
Product of the distinct prime numbers

The prime factorization of 21491698 is 2 × 19 × 565571. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21491698)

Multiplication

n×y
n×2 42983396
n×3 64475094
n×4 85966792
n×5 107458490

Division

n÷y
n÷2 10745849
n÷3 7163899.3333333
n÷3 5372924.5
n÷5 4298339.6

Exponentiation

ny
n2 461893082923204
n3 9.9268666464745E+21
n4 2.133452200523E+29
n5 4.5851510391076E+36

Nth Root

y√n
2√n 4635.9139336273
3√n 278.0290931028
4√n 68.087546097854
5√n 29.272117910239

Divisors of 21491698

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 -21491697
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 21491698 can be divided by 8 positive divisors. The sum of these divisors (counting 21491698) is 1, the average is 0.125.

Base conversion 21491698

Base System Value
2 Binary 1010001111110111111110010
3 Ternary 1111102220001211
4 Quaternary 1101332333302
5 Quinary 21000213243
6 Senary 2044350334
8 Octal 121767762
10 Decimal 21491698
12 Duodecimal 72453aa
16 Hexadecimal 147eff2
20 Vigesimal 6e694i
36 Base36 csn3m

Cryptographic Hash Functions

md5 1717fee0483a2d3778a1ad52f9021966
sha1 6a2ed93ba6de5084c94d94ae5bde6fc5285591e6
sha256 ec7edaeb095e4fdf50ef53f9134f8c3b88a1dd2408bee076c53c36c097e0483f
sha512 9a224272240cfb9c72afbe49f22fc3e50126792d692927f9f945ebf412e4d8c8066226bfe953bd395eafb5fc3086e12ddedf1068b81fc007ea366384d462e057
ripemd-160 66f6e1f07fc9894431d895d593f8b4639115b0a1

21491698 as geometric shapes

Circle

Radius = n
Diameter 42983396
Circumference 135036321.09994
Area 1.4510799160555E+15

Sphere

Radius = n
Volume 4.1581561772973E+22
Surface area 5.8043196642219E+15
Circumference 135036321.09994

Square

Length = n
Perimeter 85966792
Area 461893082923204
Diagonal 30393850.790027

Cube

Length = n
Surface area 2771358497539224
Volume 9.9268666464745E+21
Space diagonal 37224712.876926

Equilateral Triangle

Length = n
Perimeter 64475094
Area 2.000055718219E+14
Altitude 18612356.438463

Triangular Pyramid

Length = n
Surface area 2.000055718219E+14
Volume 1.1698924536094E+21
Height 10131283.596676