21471791 (number)

21471791 is an odd 8-digits composite number following 21471790 and preceding 21471792. In scientific notation, it is written as 2.1471791 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 19393920 positive integers (up to 21471791) that are relatively prime to 21471791.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred seventy-one thousand seven hundred ninety-one

Notation

Scientific notation 2.1471791 × 10^7
Engineering notation 2.1471791 × 10^6

Prime Factorization of 21471791

Prime Factorization 11 × 157 × 12433

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21471791
Product of the distinct prime numbers

The prime factorization of 21471791 is 11 × 157 × 12433. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21471791)

Multiplication

n×y
n×2 42943582
n×3 64415373
n×4 85887164
n×5 107358955

Division

n÷y
n÷2 10735895.5
n÷3 7157263.6666667
n÷3 5367947.75
n÷5 4294358.2

Exponentiation

ny
n2 461037808747681
n3 9.8993074725282E+21
n4 2.1255586109486E+29
n5 4.5639550252539E+36

Nth Root

y√n
2√n 4633.7663946298
3√n 277.9432237451
4√n 68.071773846652
5√n 29.266693154386

Divisors of 21471791

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 -21471790
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 21471791 can be divided by 8 positive divisors. The sum of these divisors (counting 21471791) is 1, the average is 0.125.

Base conversion 21471791

Base System Value
2 Binary 1010001111010001000101111
3 Ternary 1111101212202112
4 Quaternary 1101322020233
5 Quinary 20444044131
6 Senary 2044114235
8 Octal 121721057
10 Decimal 21471791
12 Duodecimal 723597b
16 Hexadecimal 147a22f
20 Vigesimal 6e3j9b
36 Base36 cs7qn

Cryptographic Hash Functions

md5 eda9e99b305660ecef598c2f59b1d54d
sha1 c3ad4f38ee6598ce4a92cee999f0e50010394160
sha256 16a23f17f07531cf38a80825902763a2843be1ee0d0e972905081f0aabaa69c5
sha512 edc0ca13c515af916207de279aeee544fb6e02758a74b6185dde8782bf938c81fa3f65b98dd8d77b57a1163726e443898a010a83d34da02be48725f3cbf5cce9
ripemd-160 7e7c3b98fb3d6ef247eda3ff4c6f85afaf199b9b

21471791 as geometric shapes

Circle

Radius = n
Diameter 42943582
Circumference 134911241.73003
Area 1.4483929929889E+15

Sphere

Radius = n
Volume 4.1466122175095E+22
Surface area 5.7935719719554E+15
Circumference 134911241.73003

Square

Length = n
Perimeter 85887164
Area 461037808747681
Diagonal 30365698.040641

Cube

Length = n
Surface area 2766226852486086
Volume 9.8993074725282E+21
Space diagonal 37190232.9415

Equilateral Triangle

Length = n
Perimeter 64415373
Area 1.996352272403E+14
Altitude 18595116.47075

Triangular Pyramid

Length = n
Surface area 1.996352272403E+14
Volume 1.1666445738126E+21
Height 10121899.34688