20993915 (number)

20993915 is an odd 8-digits composite number following 20993914 and preceding 20993916. In scientific notation, it is written as 2.0993915 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 16778592 positive integers (up to 20993915) that are relatively prime to 20993915.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety-three thousand nine hundred fifteen

Notation

Scientific notation 2.0993915 × 10^7
Engineering notation 2.0993915 × 10^6

Prime Factorization of 20993915

Prime Factorization 5 × 2347 × 1789

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20993915
Product of the distinct prime numbers

The prime factorization of 20993915 is 5 × 2347 × 1789. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20993915)

Multiplication

n×y
n×2 41987830
n×3 62981745
n×4 83975660
n×5 104969575

Division

n÷y
n÷2 10496957.5
n÷3 6997971.6666667
n÷3 5248478.75
n÷5 4198783

Exponentiation

ny
n2 440744467027225
n3 9.2529518774899E+21
n4 1.9425568521511E+29
n5 4.0781873436728E+36

Nth Root

y√n
2√n 4581.9117189226
3√n 275.86576735972
4√n 67.689819906117
5√n 29.135245835283

Divisors of 20993915

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 -20993914
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 20993915 can be divided by 8 positive divisors. The sum of these divisors (counting 20993915) is 1, the average is 0.125.

Base conversion 20993915

Base System Value
2 Binary 1010000000101011101111011
3 Ternary 1110111121020102
4 Quaternary 1100011131323
5 Quinary 20333301130
6 Senary 2025550015
8 Octal 120053573
10 Decimal 20993915
12 Duodecimal 704530b
16 Hexadecimal 140577b
20 Vigesimal 6b44ff
36 Base36 chz0b

Cryptographic Hash Functions

md5 0127314d009bf23a7fd92116202a0dfc
sha1 aeadca2dc9f62c2e1c6f37d2ec27ad67885df4af
sha256 d63b18ecf852c70f0589f8a611d3cff7cad243d1fbb7ff56811bca3359ebeaf8
sha512 e8e267ac91a47892272cb7b715294e1d1fc1eb00739ef60a92812beb3591570fcd14b50eb52a53013b5e9ebb07c409ced7caa9062554b66f76b7f364ba08d1ee
ripemd-160 20cdba1f565270a90e1a959c126d07ebb0b6042d

20993915 as geometric shapes

Circle

Radius = n
Diameter 41987830
Circumference 131908658.26818
Area 1.3846395797231E+15

Sphere

Radius = n
Volume 3.8758674189789E+22
Surface area 5.5385583188923E+15
Circumference 131908658.26818

Square

Length = n
Perimeter 83975660
Area 440744467027225
Diagonal 29689879.320308

Cube

Length = n
Surface area 2644466802163350
Volume 9.2529518774899E+21
Space diagonal 36362527.429782

Equilateral Triangle

Length = n
Perimeter 62981745
Area 1.908479525115E+14
Altitude 18181263.714891

Triangular Pyramid

Length = n
Surface area 1.908479525115E+14
Volume 1.0904708364276E+21
Height 9896626.4401027