20397811 (number)

20397811 is an odd 8-digits composite number following 20397810 and preceding 20397812. In scientific notation, it is written as 2.0397811 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 16391808 positive integers (up to 20397811) that are relatively prime to 20397811.

Interesting facts

Basic properties

Name

Name twenty million three hundred ninety-seven thousand eight hundred eleven

Notation

Scientific notation 2.0397811 × 10^7
Engineering notation 2.0397811 × 10^6

Prime Factorization of 20397811

Prime Factorization 7 × 19 × 103 × 1489

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20397811
Product of the distinct prime numbers

The prime factorization of 20397811 is 7 × 19 × 103 × 1489. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 2, 41, 20, 669, 780, 1007, 9598, 12857, 74051, 241146, 882436, 6675954, 6154384, 90552729, 27080953, 448718040, 788268622, 6185775686, 4940490748

Basic calculations (n = 20397811)

Multiplication

n×y
n×2 40795622
n×3 61193433
n×4 81591244
n×5 101989055

Division

n÷y
n÷2 10198905.5
n÷3 6799270.3333333
n÷3 5099452.75
n÷5 4079562.2

Exponentiation

ny
n2 416070693591721
n3 8.4869313705228E+21
n4 1.731148220659E+29
n5 3.5311634217988E+36

Nth Root

y√n
2√n 4516.3935833804
3√n 273.22966803865
4√n 67.204118797738
5√n 28.967879996361

Divisors of 20397811

1, 7, 19, 103, 133, 721, 1489, 1957, 10423, 13699, 28291, 153367, 198037, 1073569, 2913973, 20397811

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20397810
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20397811 can be divided by 16 positive divisors. The sum of these divisors (counting 20397811) is 1, the average is 0.0625.

Base conversion 20397811

Base System Value
2 Binary 1001101110011111011110011
3 Ternary 1102101022112111
4 Quaternary 1031303323303
5 Quinary 20210212221
6 Senary 2005110151
8 Octal 115637363
10 Decimal 20397811
12 Duodecimal 69b8357
16 Hexadecimal 1373ef3
20 Vigesimal 679eab
36 Base36 c571v

Cryptographic Hash Functions

md5 56a0d10a0293982276369a99a46f695c
sha1 e96498b186a36c65b43cf37981997361bf88b648
sha256 183812e3550a6672c1507df466a82cd6ebaec98706f479016dacd3464f598f70
sha512 65a021ce73d4e209ccbc6742cee6a01a7fcef5b3e4c82a179f03c89a62c7aab96b8cc0e2ea4a921b5a787303016df6899041138be4fb2407b3d55800951792fe
ripemd-160 3b3dd2c596ccd56793b194e50607cad738f8218f

20397811 as geometric shapes

Circle

Radius = n
Diameter 40795622
Circumference 128163226.37383
Area 1.3071246343618E+15

Sphere

Radius = n
Volume 3.554997499354E+22
Surface area 5.228498537447E+15
Circumference 128163226.37383

Square

Length = n
Perimeter 81591244
Area 416070693591721
Diagonal 28846860.958923

Cube

Length = n
Surface area 2496424161550326
Volume 8.4869313705228E+21
Space diagonal 35330045.015187

Equilateral Triangle

Length = n
Perimeter 61193433
Area 1.8016389521032E+14
Altitude 17665022.507594

Triangular Pyramid

Length = n
Surface area 1.8016389521032E+14
Volume 1.0001944539269E+21
Height 9615620.319641