20187986 (number)

20187986 is an even 8-digits composite number following 20187985 and preceding 20187987. In scientific notation, it is written as 2.0187986 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors. There are 7986384 positive integers (up to 20187986) that are relatively prime to 20187986.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-seven thousand nine hundred eighty-six

Notation

Scientific notation 2.0187986 × 10^7
Engineering notation 2.0187986 × 10^6

Prime Factorization of 20187986

Prime Factorization 2 × 13 × 7 × 110923

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20187986
Product of the distinct prime numbers

The prime factorization of 20187986 is 2 × 13 × 7 × 110923. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 9, 48, 25, 957, 767, 4906, 8365, 83089, 99215, 649692, 225422, 7064489, 5185626, 72605103, 35612626, 554222924, 48067271, 8321528285, 3759438823

Basic calculations (n = 20187986)

Multiplication

n×y
n×2 40375972
n×3 60563958
n×4 80751944
n×5 100939930

Division

n÷y
n÷2 10093993
n÷3 6729328.6666667
n÷3 5046996.5
n÷5 4037597.2

Exponentiation

ny
n2 407554778736196
n3 8.2277101673594E+21
n4 1.6610089767071E+29
n5 3.3532425967637E+36

Nth Root

y√n
2√n 4493.1042721041
3√n 272.28956511223
4√n 67.030621898533
5√n 28.908036804863

Divisors of 20187986

1, 2, 7, 13, 14, 26, 91, 182, 110923, 221846, 776461, 1441999, 1552922, 2883998, 10093993, 20187986

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 -20187985
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 20187986 can be divided by 16 positive divisors. The sum of these divisors (counting 20187986) is 1, the average is 0.0625.

Base conversion 20187986

Base System Value
2 Binary 1001101000000101101010010
3 Ternary 1101222122201012
4 Quaternary 1031000231102
5 Quinary 20132003421
6 Senary 2000410522
8 Octal 115005522
10 Decimal 20187986
12 Duodecimal 6916a42
16 Hexadecimal 1340b52
20 Vigesimal 6639j6
36 Base36 c0p5e

Cryptographic Hash Functions

md5 8321aa40a90472b6954876d102bdf9b6
sha1 521d297403a69539570be9d57483df700c2d248f
sha256 de6327e5ab94a5db7664abecae0b1eee3b78f8bd091b887a3897797adffbb11e
sha512 dc0a616d926dc0055492fa771339a3ad20147e3fbfd8d4f6ecdd1891c6bfe7ebd3959ee71e483d38a39fa53ff691d6ece486527513fdc61c41b662f47204d518
ripemd-160 97227b8b4a2dbbd4c377d74a69e6ae5944b662d5

20187986 as geometric shapes

Circle

Radius = n
Diameter 40375972
Circumference 126844857.01675
Area 1.280371098813E+15

Sphere

Radius = n
Volume 3.4464151756857E+22
Surface area 5.1214843952522E+15
Circumference 126844857.01675

Square

Length = n
Perimeter 80751944
Area 407554778736196
Diagonal 28550123.598198

Cube

Length = n
Surface area 2445328672417176
Volume 8.2277101673594E+21
Space diagonal 34966617.454489

Equilateral Triangle

Length = n
Perimeter 60563958
Area 1.7647639590965E+14
Altitude 17483308.727245

Triangular Pyramid

Length = n
Surface area 1.7647639590965E+14
Volume 9.6964494216289E+20
Height 9516707.8660661