21720171 (number)

21720171 is an odd 8-digits composite number following 21720170 and preceding 21720172. In scientific notation, it is written as 2.1720171 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 13163720 positive integers (up to 21720171) that are relatively prime to 21720171.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1720171 × 10^7
Engineering notation 2.1720171 × 10^6

Prime Factorization of 21720171

Prime Factorization 11 × 3 × 658187

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21720171
Product of the distinct prime numbers

The prime factorization of 21720171 is 11 × 3 × 658187. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21720171)

Multiplication

n×y
n×2 43440342
n×3 65160513
n×4 86880684
n×5 108600855

Division

n÷y
n÷2 10860085.5
n÷3 7240057
n÷3 5430042.75
n÷5 4344034.2

Exponentiation

ny
n2 471765828269241
n3 1.0246834461965E+22
n4 2.2256299672256E+29
n5 4.8341063470865E+36

Nth Root

y√n
2√n 4660.4904248373
3√n 279.01084219373
4√n 68.267784677967
5√n 29.334091884818

Divisors of 21720171

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 -21720170
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 21720171 can be divided by 8 positive divisors. The sum of these divisors (counting 21720171) is 1, the average is 0.125.

Base conversion 21720171

Base System Value
2 Binary 1010010110110110001101011
3 Ternary 1111212111110210
4 Quaternary 1102312301223
5 Quinary 21030021141
6 Senary 2053312203
8 Octal 122666153
10 Decimal 21720171
12 Duodecimal 7335663
16 Hexadecimal 14b6c6b
20 Vigesimal 6ff08b
36 Base36 cxje3

Cryptographic Hash Functions

md5 59c8d6e18b97ace477f1f1f5796f45ab
sha1 f42cc5439409e84dd2d6e4772aba5ab9e6bb9e50
sha256 8e10cf4ed3529224672b42d32465d3f6660765abf89c79335c88361772e89a61
sha512 c471e7f458eb675a4ce2bec7b2599ceac176bf87b6dc7e532e3a0dd325a4e5c82e80baa26ad937a83a84a4d88578b1bf672b13c9f380f7a6cb1366f3a6c57fd3
ripemd-160 cc8308f47336efc302786bf73968cc11fdbdb65d

21720171 as geometric shapes

Circle

Radius = n
Diameter 43440342
Circumference 136471859.29663
Area 1.4820960603054E+15

Sphere

Radius = n
Volume 4.2921839824345E+22
Surface area 5.9283842412214E+15
Circumference 136471859.29663

Square

Length = n
Perimeter 86880684
Area 471765828269241
Diagonal 30716960.405263

Cube

Length = n
Surface area 2830594969615446
Volume 1.0246834461965E+22
Space diagonal 37620439.721084

Equilateral Triangle

Length = n
Perimeter 65160513
Area 2.0428059595928E+14
Altitude 18810219.860542

Triangular Pyramid

Length = n
Surface area 2.0428059595928E+14
Volume 1.2076010222919E+21
Height 10238986.801754