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

20189749 (number)

20189749 is an odd 8-digits composite number following 20189748 and preceding 20189750. In scientific notation, it is written as 2.0189749 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 20180160 positive integers (up to 20189749) that are relatively prime to 20189749.

Interesting facts

20189749 has 4 divisors, whose sum is 20199340
The reverse of 20189749 is 94798102
Previous prime number is 3121

Basic properties

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

Name

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

Notation

Scientific notation	2.0189749 × 10^7
Engineering notation	2.0189749 × 10^6

Prime Factorization of 20189749

Prime Factorization 3121 × 6469

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20189749	Product of the distinct prime numbers

The prime factorization of 20189749 is 3121 × 6469. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 1, 72, 69, 156, 465, 6452, 425, 55625, 49248, 68100, 797257, 7331256, 1328994, 6853196, 99353595, 937628730, 31720714, 6777938079, 7130633742

Basic calculations (n = 20189749)

Multiplication

n×y

n×2	40379498
n×3	60569247
n×4	80758996
n×5	100948745

Division

n÷y

n÷2	10094874.5
n÷3	6729916.3333333
n÷3	5047437.25
n÷5	4037949.8

Exponentiation

n^y

n²	407625964683001
n³	8.2298659128327E+21
n⁴	1.6615892708375E+29
n⁵	3.3547070319302E+36

Nth Root

^y√n

²√n	4493.3004573476
³√n	272.29749115514
⁴√n	67.032085282703
⁵√n	28.908541690181

Divisors of 20189749

1, 3121, 6469, 20189749

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	-20189748	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 20189749 can be divided by 4 positive divisors. The sum of these divisors (counting 20189749) is 1, the average is 0.25.

Base conversion 20189749

Base	System	Value
2	Binary	1001101000001001000110101
3	Ternary	1101222202010111
4	Quaternary	1031001020311
5	Quinary	20132032444
6	Senary	2000423021
8	Octal	115011065
10	Decimal	20189749
12	Duodecimal	6917a71
16	Hexadecimal	1341235
20	Vigesimal	663e79
36	Base36	c0qid

Cryptographic Hash Functions

md5	a2c23cc4d3d35397c046741ad5bafebe
sha1	5a3576b57c904f15bb509f6ef7fe5448a526ed7e
sha256	31be5d54ef45b2806c356d86003c16def22292e58336dbb08efd9cda02f981a9
sha512	509ef0658675f6025a08eb7490ff38cc1ef3f5be29684f5566ae56d7598f739f0bf9e803a2822a7b97f3d711647f93a640dd08de6aec2bde3ec4ba35b7a1e698
ripemd-160	f11341a31b58863c6064ab19a2aa73f682da0716

20189749 as geometric shapes

Circle

Radius = n

Diameter	40379498
Circumference	126855934.27244
Area	1.2805947360606E+15

Sphere

Radius = n

Volume	3.4473181722379E+22
Surface area	5.1223789442423E+15
Circumference	126855934.27244

Square

Length = n

Perimeter	80758996
Area	407625964683001
Diagonal	28552616.856709

Cube

Length = n

Surface area	2445755788098006
Volume	8.2298659128327E+21
Space diagonal	34969671.060063

Equilateral Triangle

Length = n

Perimeter	60569247
Area	1.7650722032881E+14
Altitude	17484835.530031

Triangular Pyramid

Length = n

Surface area	1.7650722032881E+14
Volume	9.6989899920333E+20
Height	9517538.9522362