20491837 (number)

20491837 is an odd 8-digits composite number following 20491836 and preceding 20491838. In scientific notation, it is written as 2.0491837 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 19830780 positive integers (up to 20491837) that are relatively prime to 20491837.

Interesting facts

Basic properties

Name

Name twenty million four hundred ninety-one thousand eight hundred thirty-seven

Notation

Scientific notation 2.0491837 × 10^7
Engineering notation 2.0491837 × 10^6

Prime Factorization of 20491837

Prime Factorization 31 × 661027

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20491837
Product of the distinct prime numbers

The prime factorization of 20491837 is 31 × 661027. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20491837)

Multiplication

n×y
n×2 40983674
n×3 61475511
n×4 81967348
n×5 102459185

Division

n÷y
n÷2 10245918.5
n÷3 6830612.3333333
n÷3 5122959.25
n÷5 4098367.4

Exponentiation

ny
n2 419915383634569
n3 8.6048375952321E+21
n4 1.7632892941297E+29
n5 3.613303679915E+36

Nth Root

y√n
2√n 4526.791026765
3√n 273.64885221544
4√n 67.281431515426
5√n 28.994537029188

Divisors of 20491837

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20491836
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20491837 can be divided by 4 positive divisors. The sum of these divisors (counting 20491837) is 1, the average is 0.25.

Base conversion 20491837

Base System Value
2 Binary 1001110001010111000111101
3 Ternary 1102120002111221
4 Quaternary 1032022320331
5 Quinary 20221214322
6 Senary 2011113341
8 Octal 116127075
10 Decimal 20491837
12 Duodecimal 6a42851
16 Hexadecimal 138ae3d
20 Vigesimal 6819bh
36 Base36 c77lp

Cryptographic Hash Functions

md5 f1c79545e2309691d49ce17f5f79c985
sha1 7cf99abd8be8c957d23f740775d3ebf80df6e7ad
sha256 18d2ba305491057934b040c6d36bb67525e840d342737866d453a1f4ee547356
sha512 bd0ac4cefcbd70d8c3f99a60bbd7d67264190b7f821fcbfc13c9e759dd392fae66255093b381232537b09dfc428fd0034088fe1a9842c97dd42ee820bd36d1c4
ripemd-160 5386b0721cb679449c2bb86ea8c5b918b2b08b69

20491837 as geometric shapes

Circle

Radius = n
Diameter 40983674
Circumference 128754009.15552
Area 1.3192030843557E+15

Sphere

Radius = n
Volume 3.6043859432686E+22
Surface area 5.2768123374228E+15
Circumference 128754009.15552

Square

Length = n
Perimeter 81967348
Area 419915383634569
Diagonal 28979833.803339

Cube

Length = n
Surface area 2519492301807414
Volume 8.6048375952321E+21
Space diagonal 35492902.82442

Equilateral Triangle

Length = n
Perimeter 61475511
Area 1.8182869483371E+14
Altitude 17746451.41221

Triangular Pyramid

Length = n
Surface area 1.8182869483371E+14
Volume 1.0140898357663E+21
Height 9659944.6011129