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

20187998 (number)

20187998 is an even 8-digits composite number following 20187997 and preceding 20187999. In scientific notation, it is written as 2.0187998 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 9951760 positive integers (up to 20187998) that are relatively prime to 20187998.

Interesting facts

20187998 has 8 divisors, whose sum is 30708720
The reverse of 20187998 is 89978102
Previous prime number is 71

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8

Name

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

Notation

Scientific notation	2.0187998 × 10^7
Engineering notation	2.0187998 × 10^6

Prime Factorization of 20187998

Prime Factorization 2 × 71 × 142169

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20187998	Product of the distinct prime numbers

The prime factorization of 20187998 is 2 × 71 × 142169. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 1, 6, 36, 687, 889, 2115, 7237, 33422, 85992, 596029, 609231, 2566872, 8759057, 710521, 865089, 268882181, 422041604, 6519969546, 1408938833

Basic calculations (n = 20187998)

Multiplication

n×y

n×2	40375996
n×3	60563994
n×4	80751992
n×5	100939990

Division

n÷y

n÷2	10093999
n÷3	6729332.6666667
n÷3	5046999.5
n÷5	4037599.6

Exponentiation

n^y

n²	407555263248004
n³	8.2277248393402E+21
n⁴	1.6610129260115E+29
n⁵	3.3532525628294E+36

Nth Root

^y√n

²√n	4493.1056074835
³√n	272.28961906303
⁴√n	67.030631859498
⁵√n	28.908040241524

Divisors of 20187998

1, 2, 71, 142, 142169, 284338, 10093999, 20187998

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	-20187997	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 20187998 can be divided by 8 positive divisors. The sum of these divisors (counting 20187998) is 1, the average is 0.125.

Base conversion 20187998

Base	System	Value
2	Binary	1001101000000101101011110
3	Ternary	1101222122201122
4	Quaternary	1031000231132
5	Quinary	20132003443
6	Senary	2000410542
8	Octal	115005536
10	Decimal	20187998
12	Duodecimal	6916a52
16	Hexadecimal	1340b5e
20	Vigesimal	6639ji
36	Base36	c0p5q

Cryptographic Hash Functions

md5	b8c9f9040b77e22ee28b64fe8f418a1d
sha1	ff18c955345b9bb8238dd368e00f9fe095dc528a
sha256	5ecc0650ea26f2607c282318e6a0fcb971e78fd67f158b439bcc81128d7ba903
sha512	d510f649f1ff22d4bbadb7779eda27105d77daec612ac76979bbc1878a5de43224f7f39cf1cae8708c7cf00b77acdda271bd7ee71f22ad57d320e73d926626d7
ripemd-160	241654680325de7f70396fc6f54de750812e58f9

20187998 as geometric shapes

Circle

Radius = n

Diameter	40375996
Circumference	126844932.41497
Area	1.2803726209518E+15

Sphere

Radius = n

Volume	3.4464213214706E+22
Surface area	5.1214904838071E+15
Circumference	126844932.41497

Square

Length = n

Perimeter	80751992
Area	407555263248004
Diagonal	28550140.568761

Cube

Length = n

Surface area	2445331579488024
Volume	8.2277248393402E+21
Space diagonal	34966638.239099

Equilateral Triangle

Length = n

Perimeter	60563994
Area	1.7647660570941E+14
Altitude	17483319.119549

Triangular Pyramid

Length = n

Surface area	1.7647660570941E+14
Volume	9.6964667127241E+20
Height	9516713.5229203