20991617 (number)

20991617 is an odd 8-digits composite number following 20991616 and preceding 20991618. In scientific notation, it is written as 2.0991617 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 18374400 positive integers (up to 20991617) that are relatively prime to 20991617.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety-one thousand six hundred seventeen

Notation

Scientific notation 2.0991617 × 10^7
Engineering notation 2.0991617 × 10^6

Prime Factorization of 20991617

Prime Factorization 37 × 23 × 17 × 1451

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20991617
Product of the distinct prime numbers

The prime factorization of 20991617 is 37 × 23 × 17 × 1451. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20991617)

Multiplication

n×y
n×2 41983234
n×3 62974851
n×4 83966468
n×5 104958085

Division

n÷y
n÷2 10495808.5
n÷3 6997205.6666667
n÷3 5247904.25
n÷5 4198323.4

Exponentiation

ny
n2 440647984274689
n3 9.2499137177163E+21
n4 1.9417064604535E+29
n5 4.0759558344265E+36

Nth Root

y√n
2√n 4581.6609433698
3√n 275.85570154358
4√n 67.687967493269
5√n 29.13460797687

Divisors of 20991617

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 -20991616
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 20991617 can be divided by 16 positive divisors. The sum of these divisors (counting 20991617) is 1, the average is 0.0625.

Base conversion 20991617

Base System Value
2 Binary 1010000000100111010000001
3 Ternary 1110111111002022
4 Quaternary 1100010322001
5 Quinary 20333212432
6 Senary 2025531225
8 Octal 120047201
10 Decimal 20991617
12 Duodecimal 7043b15
16 Hexadecimal 1404e81
20 Vigesimal 6b3j0h
36 Base36 chx8h

Cryptographic Hash Functions

md5 980fe828e9e441a687fbd95eb826ee14
sha1 35209fa945374909c0fc4a030fe93174d4dd80f6
sha256 384e7d0fb6a9e50b4f7f9caf7f7639916fb4966d8762ed2fb8c6bea70de07fa2
sha512 b2f554e10cf044dbe60083b7cd57375fd2487cc0e37118555193545e733ef0acaebdbce7fccc2499ae1f24dbaefc3a00007850d0d781b075d9094cc674177d9a
ripemd-160 6c0851957eabfc9f45976ab7af43f98cde66cbad

20991617 as geometric shapes

Circle

Radius = n
Diameter 41983234
Circumference 131894219.50834
Area 1.3843364702165E+15

Sphere

Radius = n
Volume 3.8745947975889E+22
Surface area 5.5373458808661E+15
Circumference 131894219.50834

Square

Length = n
Perimeter 83966468
Area 440647984274689
Diagonal 29686629.457542

Cube

Length = n
Surface area 2643887905648134
Volume 9.2499137177163E+21
Space diagonal 36358547.177027

Equilateral Triangle

Length = n
Perimeter 62974851
Area 1.9080617425414E+14
Altitude 18179273.588513

Triangular Pyramid

Length = n
Surface area 1.9080617425414E+14
Volume 1.0901127858646E+21
Height 9895543.1525139