20991108 (number)

20991108 is an even 8-digits composite number following 20991107 and preceding 20991109. In scientific notation, it is written as 2.0991108 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 12 positive divisors. There are 6997032 positive integers (up to 20991108) that are relatively prime to 20991108.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety-one thousand one hundred eight

Notation

Scientific notation 2.0991108 × 10^7
Engineering notation 2.0991108 × 10^6

Prime Factorization of 20991108

Prime Factorization 2 × 2 × 3 × 1749259

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10495554
Product of the distinct prime numbers

The prime factorization of 20991108 is 2 × 2 × 3 × 1749259. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 7, 17, 29, 797, 291, 4615, 7055, 88420, 72900, 766094, 57179, 5072337, 8756080, 67773544, 52919054, 173363488, 309237849, 2648342668, 9520578400

Basic calculations (n = 20991108)

Multiplication

n×y
n×2 41982216
n×3 62973324
n×4 83964432
n×5 104955540

Division

n÷y
n÷2 10495554
n÷3 6997036
n÷3 5247777
n÷5 4198221.6

Exponentiation

ny
n2 440626615067664
n3 9.2492408645598E+21
n4 1.9415181390599E+29
n5 4.0754616940965E+36

Nth Root

y√n
2√n 4581.6053954918
3√n 275.85347189659
4√n 67.687557168891
5√n 29.134466685617

Divisors of 20991108

1, 2, 3, 4, 6, 12, 1749259, 3498518, 5247777, 6997036, 10495554, 20991108

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20991107
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20991108 can be divided by 12 positive divisors. The sum of these divisors (counting 20991108) is 1, the average is 0.083333333333333.

Base conversion 20991108

Base System Value
2 Binary 1010000000100110010000100
3 Ternary 1110111110101110
4 Quaternary 1100010302010
5 Quinary 20333203413
6 Senary 2025525020
8 Octal 120046204
10 Decimal 20991108
12 Duodecimal 7043770
16 Hexadecimal 1404c84
20 Vigesimal 6b3hf8
36 Base36 chwuc

Cryptographic Hash Functions

md5 fbbb45c4865d3d0a191d1cb61b4d2409
sha1 f449ca89fe9a676c451f29cb943b5f5a37d61beb
sha256 64cf00e4cdc57025d486d11d73af422de230767cae7fbb8b538c34071aec3bf1
sha512 2bc7bb293cce99ce1d3f80dcda8dc9dc0ddde84d985fdd152a142389bfa5d93f2414b1cfc217f2bb845eaf834d9000d7ad3304e0cbdbfb42cc035c4f4263b4b5
ripemd-160 e9a4ee3b25419069087cdd79b2f1a7556929436f

20991108 as geometric shapes

Circle

Radius = n
Diameter 41982216
Circumference 131891021.36702
Area 1.3842693368727E+15

Sphere

Radius = n
Volume 3.8743129535178E+22
Surface area 5.5370773474908E+15
Circumference 131891021.36702

Square

Length = n
Perimeter 83964432
Area 440626615067664
Diagonal 29685909.622838

Cube

Length = n
Surface area 2643759690405984
Volume 9.2492408645598E+21
Space diagonal 36357665.563166

Equilateral Triangle

Length = n
Perimeter 62973324
Area 1.9079692111607E+14
Altitude 18178832.781583

Triangular Pyramid

Length = n
Surface area 1.9079692111607E+14
Volume 1.0900334893597E+21
Height 9895303.2076128