20991620 (number)

20991620 is an even 8-digits composite number following 20991619 and preceding 20991621. In scientific notation, it is written as 2.0991620 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 24 positive divisors. There are 7750656 positive integers (up to 20991620) that are relatively prime to 20991620.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0991620 × 10^7
Engineering notation 2.0991620 × 10^6

Prime Factorization of 20991620

Prime Factorization 2 × 2 × 5 × 13 × 80737

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10495810
Product of the distinct prime numbers

The prime factorization of 20991620 is 2 × 2 × 5 × 13 × 80737. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 5, 2, 68, 594, 347, 7025, 2820, 9369, 45140, 535899, 563965, 5975810, 3654030, 7241777, 58403740, 638920721, 200458193, 4521971739, 4950230992

Basic calculations (n = 20991620)

Multiplication

n×y
n×2 41983240
n×3 62974860
n×4 83966480
n×5 104958100

Division

n÷y
n÷2 10495810
n÷3 6997206.6666667
n÷3 5247905
n÷5 4198324

Exponentiation

ny
n2 440648110224400
n3 9.2499176835487E+21
n4 1.9417075704433E+29
n5 4.075958746987E+36

Nth Root

y√n
2√n 4581.6612707619
3√n 275.85571468481
4√n 67.687969911661
5√n 29.13460880962

Divisors of 20991620

1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 80737, 161474, 322948, 403685, 807370, 1049581, 1614740, 2099162, 4198324, 5247905, 10495810, 20991620

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20991619
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20991620 can be divided by 24 positive divisors. The sum of these divisors (counting 20991620) is 1, the average is 0.041666666666667.

Base conversion 20991620

Base System Value
2 Binary 1010000000100111010000100
3 Ternary 1110111111002102
4 Quaternary 1100010322010
5 Quinary 20333212440
6 Senary 2025531232
8 Octal 120047204
10 Decimal 20991620
12 Duodecimal 7043b18
16 Hexadecimal 1404e84
20 Vigesimal 6b3j10
36 Base36 chx8k

Cryptographic Hash Functions

md5 2c008be31d4d91cd509dcbc19bd0ebc1
sha1 cd3e01418429612c63c6a84c3433b1ce93176bee
sha256 475f5b7c31906b4f01231d177308993f04c9e8a95fde95800479db2021e3c572
sha512 e773e99384d5e3adf28ce06d645598bbed871573b97e08dc67125d425b7ed2cb5affa26db2106a072d4d6881cde11957467a984731091929d47127e34d11226e
ripemd-160 5697c7a5235369043369e3212544aaf89a199cf7

20991620 as geometric shapes

Circle

Radius = n
Diameter 41983240
Circumference 131894238.3579
Area 1.3843368658992E+15

Sphere

Radius = n
Volume 3.8745964587929E+22
Surface area 5.5373474635968E+15
Circumference 131894238.3579

Square

Length = n
Perimeter 83966480
Area 440648110224400
Diagonal 29686633.700182

Cube

Length = n
Surface area 2643888661346400
Volume 9.2499176835487E+21
Space diagonal 36358552.373179

Equilateral Triangle

Length = n
Perimeter 62974860
Area 1.9080622879197E+14
Altitude 18179276.186589

Triangular Pyramid

Length = n
Surface area 1.9080622879197E+14
Volume 1.0901132532424E+21
Height 9895544.5667274