Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

20187994 (number)

20187994 is an even 8-digits composite number following 20187993 and preceding 20187995. In scientific notation, it is written as 2.0187994 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 9562716 positive integers (up to 20187994) that are relatively prime to 20187994.

Interesting facts

20187994 has 8 divisors, whose sum is 31875840
The reverse of 20187994 is 49978102
Previous prime number is 19

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4

Name

Name	twenty million one hundred eighty-seven thousand nine hundred ninety-four

Notation

Scientific notation	2.0187994 × 10^7
Engineering notation	2.0187994 × 10^6

Prime Factorization of 20187994

Prime Factorization 2 × 19 × 531263

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20187994	Product of the distinct prime numbers

The prime factorization of 20187994 is 2 × 19 × 531263. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 7, 34, 1, 532, 798, 6576, 5635, 63929, 83453, 237508, 262916, 9031900, 9575365, 56259893, 84124691, 922455293, 954612358, 4623340452, 6511494971

Basic calculations (n = 20187994)

Multiplication

n×y

n×2	40375988
n×3	60563982
n×4	80751976
n×5	100939970

Division

n÷y

n÷2	10093997
n÷3	6729331.3333333
n÷3	5046998.5
n÷5	4037598.8

Exponentiation

n^y

n²	407555101744036
n³	8.227719948678E+21
n⁴	1.6610116095759E+29
n⁵	3.3532492408049E+36

Nth Root

^y√n

²√n	4493.1051623571
³√n	272.28960107943
⁴√n	67.030628539177
⁵√n	28.908039095971

Divisors of 20187994

1, 2, 19, 38, 531263, 1062526, 10093997, 20187994

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20187993	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20187994 can be divided by 8 positive divisors. The sum of these divisors (counting 20187994) is 1, the average is 0.125.

Base conversion 20187994

Base	System	Value
2	Binary	1001101000000101101011010
3	Ternary	1101222122201111
4	Quaternary	1031000231122
5	Quinary	20132003434
6	Senary	2000410534
8	Octal	115005532
10	Decimal	20187994
12	Duodecimal	6916a4a
16	Hexadecimal	1340b5a
20	Vigesimal	6639je
36	Base36	c0p5m

Cryptographic Hash Functions

md5	f8a44615a2cb2d822de34699e8abcb46
sha1	4c1f9fd803effd4c068d172faa0f4db93be44539
sha256	03e4f7ebfedebddb0689303aa4cd044fabeda2a934e67bb5f11957576e418b2f
sha512	0617765bc8972c1e217d625adb84dbd1e93f2af6936ee2866d152a2f58a865fb5619fa09e39c31d437a5ed44d6b08e1ce14ca2be62bb969c155d3fe6d8118230
ripemd-160	70af3520ab06fdda5a4ffaab8bbab78bdfc1b040

20187994 as geometric shapes

Circle

Radius = n

Diameter	40375988
Circumference	126844907.28223
Area	1.2803721135721E+15

Sphere

Radius = n

Volume	3.4464192728748E+22
Surface area	5.1214884542884E+15
Circumference	126844907.28223

Square

Length = n

Perimeter	80751976
Area	407555101744036
Diagonal	28550134.911907

Cube

Length = n

Surface area	2445330610464216
Volume	8.227719948678E+21
Space diagonal	34966631.310896

Equilateral Triangle

Length = n

Perimeter	60563982
Area	1.7647653577614E+14
Altitude	17483315.655448

Triangular Pyramid

Length = n

Surface area	1.7647653577614E+14
Volume	9.6964609490234E+20
Height	9516711.6373022