20991804 (number)

20991804 is an even 8-digits composite number following 20991803 and preceding 20991805. In scientific notation, it is written as 2.0991804 × 10^7. The sum of its digits is 33. It has a total of 6 prime factors and 36 positive divisors. There are 6584576 positive integers (up to 20991804) that are relatively prime to 20991804.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0991804 × 10^7
Engineering notation 2.0991804 × 10^6

Prime Factorization of 20991804

Prime Factorization 2 × 2 × 3 × 17 × 17 × 6053

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 617406
Product of the distinct prime numbers

The prime factorization of 20991804 is 2 × 2 × 3 × 17 × 17 × 6053. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 9, 78, 74, 945, 956, 6954, 3240, 78309, 59064, 174771, 557120, 1869913, 312881, 66086604, 26283974, 417205294, 536659609, 7310719598, 3435648434

Basic calculations (n = 20991804)

Multiplication

n×y
n×2 41983608
n×3 62975412
n×4 83967216
n×5 104959020

Division

n÷y
n÷2 10495902
n÷3 6997268
n÷3 5247951
n÷5 4198360.8

Exponentiation

ny
n2 440655835174416
n3 9.2501609234376E+21
n4 1.9417756507326E+29
n5 4.0761373872152E+36

Nth Root

y√n
2√n 4581.6813507707
3√n 275.85652067792
4√n 67.68811823925
5√n 29.134659884755

Divisors of 20991804

1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 289, 578, 867, 1156, 1734, 3468, 6053, 12106, 18159, 24212, 36318, 72636, 102901, 205802, 308703, 411604, 617406, 1234812, 1749317, 3498634, 5247951, 6997268, 10495902, 20991804

36 divisors

τ Total Divisors 36
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20991803
Sum of the proper positive divisors of n
A Arithmetic Mean 0.027777777777778
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 36
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20991804 can be divided by 36 positive divisors. The sum of these divisors (counting 20991804) is 1, the average is 0.027777777777778.

Base conversion 20991804

Base System Value
2 Binary 1010000000100111100111100
3 Ternary 1110111111100020
4 Quaternary 1100010330330
5 Quinary 20333214204
6 Senary 2025532140
8 Octal 120047474
10 Decimal 20991804
12 Duodecimal 7044050
16 Hexadecimal 1404f3c
20 Vigesimal 6b3ja4
36 Base36 chxdo

Cryptographic Hash Functions

md5 e6939292023bed87a84ba8f7ddfb5d26
sha1 5262d26c8c735bd9c2ccda23fb66837c7c28bc85
sha256 5d5439cf40c14d2eb5e901e6e5b940d834e3f38474b777d22d817777ef256c1f
sha512 96bd1b77647ab0299407a3b2f6077effc677d1e3882120efde8fa9d9dc6f32acbffae591084510d58c6c76e4109301bb175a265873a36571976b8a141ed2e098
ripemd-160 6982d468303ee194199746ff134b6a01c89d8318

20991804 as geometric shapes

Circle

Radius = n
Diameter 41983608
Circumference 131895394.46399
Area 1.3843611345454E+15

Sphere

Radius = n
Volume 3.8746983468793E+22
Surface area 5.5374445381817E+15
Circumference 131895394.46399

Square

Length = n
Perimeter 83967216
Area 440655835174416
Diagonal 29686893.915478

Cube

Length = n
Surface area 2643935011046496
Volume 9.2501609234376E+21
Space diagonal 36358871.070528

Equilateral Triangle

Length = n
Perimeter 62975412
Area 1.9080957379345E+14
Altitude 18179435.535264

Triangular Pyramid

Length = n
Surface area 1.9080957379345E+14
Volume 1.0901419193383E+21
Height 9895631.3051593