21497858 (number)

21497858 is an even 8-digits composite number following 21497857 and preceding 21497859. In scientific notation, it is written as 2.1497858 × 10^7. The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors. There are 10444800 positive integers (up to 21497858) that are relatively prime to 21497858.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1497858 × 10^7
Engineering notation 2.1497858 × 10^6

Prime Factorization of 21497858

Prime Factorization 2 × 41 × 409 × 641

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21497858
Product of the distinct prime numbers

The prime factorization of 21497858 is 2 × 41 × 409 × 641. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 9, 15, 38, 949, 834, 3087, 9725, 18953, 85817, 23307, 502566, 8128937, 2805558, 82313270, 54314339, 772180622, 899798383, 4905178192, 2545856078

Basic calculations (n = 21497858)

Multiplication

n×y
n×2 42995716
n×3 64493574
n×4 85991432
n×5 107489290

Division

n÷y
n÷2 10748929
n÷3 7165952.6666667
n÷3 5374464.5
n÷5 4299571.6

Exponentiation

ny
n2 462157898588164
n3 9.9354048774268E+21
n4 2.1358992322743E+29
n5 4.5917258397741E+36

Nth Root

y√n
2√n 4636.5782641944
3√n 278.05565367844
4√n 68.092424425882
5√n 29.273795726266

Divisors of 21497858

1, 2, 41, 82, 409, 641, 818, 1282, 16769, 26281, 33538, 52562, 262169, 524338, 10748929, 21497858

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 -21497857
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 21497858 can be divided by 16 positive divisors. The sum of these divisors (counting 21497858) is 1, the average is 0.0625.

Base conversion 21497858

Base System Value
2 Binary 1010010000000100000000010
3 Ternary 1111110012111222
4 Quaternary 1102000200002
5 Quinary 21000412413
6 Senary 2044435042
8 Octal 122004002
10 Decimal 21497858
12 Duodecimal 7248a82
16 Hexadecimal 1480802
20 Vigesimal 6e74ci
36 Base36 csruq

Cryptographic Hash Functions

md5 6857d26175295b99885e707dfcd39f9b
sha1 c288530d1131c3bf55318236128db88166fb0b78
sha256 126e60e99df887d1b55363e8bb6d2dd63f7acac28f31f0576a01e37a32e5ee74
sha512 39aa7208a99dc05e24ac545128d239f8e08ac2249b1817ea79ed157056fea1aa9467fe739d8f8962b337aa8535be1bba8729f9985f545fa9a8fb14766bd35671
ripemd-160 b7cd7226dc64e2f04f4845ed13b34212e4635d6a

21497858 as geometric shapes

Circle

Radius = n
Diameter 42995716
Circumference 135075025.52143
Area 1.4519118590031E+15

Sphere

Radius = n
Volume 4.1617326631152E+22
Surface area 5.8076474360123E+15
Circumference 135075025.52143

Square

Length = n
Perimeter 85991432
Area 462157898588164
Diagonal 30402562.345571

Cube

Length = n
Surface area 2772947391528984
Volume 9.9354048774268E+21
Space diagonal 37235382.309901

Equilateral Triangle

Length = n
Perimeter 64493574
Area 2.0012024036849E+14
Altitude 18617691.154951

Triangular Pyramid

Length = n
Surface area 2.0012024036849E+14
Volume 1.1708986937771E+21
Height 10134187.448524