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

20149749 (number)

20149749 is an odd 8-digits composite number following 20149748 and preceding 20149750. In scientific notation, it is written as 2.0149749 × 10^7. The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors. There are 13433148 positive integers (up to 20149749) that are relatively prime to 20149749.

Interesting facts

20149749 has 4 divisors, whose sum is 20896064
The reverse of 20149749 is 94794102
Previous prime number is 27

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9

Name

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

Notation

Scientific notation	2.0149749 × 10^7
Engineering notation	2.0149749 × 10^6

Prime Factorization of 20149749

Prime Factorization 27 × 746287

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20149749	Product of the distinct prime numbers

The prime factorization of 20149749 is 27 × 746287. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 8, 85, 48, 880, 683, 5637, 5835, 28258, 25982, 720878, 22450, 9402499, 2469921, 64837769, 54606998, 786100366, 368276884, 3091074061, 7927217930

Basic calculations (n = 20149749)

Multiplication

n×y

n×2	40299498
n×3	60449247
n×4	80598996
n×5	100748745

Division

n÷y

n÷2	10074874.5
n÷3	6716583
n÷3	5037437.25
n÷5	4029949.8

Exponentiation

n^y

n²	406012384763001
n³	8.1810476438659E+21
n⁴	1.6484605658094E+29
n⁵	3.3216066637457E+36

Nth Root

^y√n

²√n	4488.8471793992
³√n	272.11754669262
⁴√n	66.998859538049
⁵√n	28.897077861308

Divisors of 20149749

1, 27, 746287, 20149749

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	-20149748	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 20149749 can be divided by 4 positive divisors. The sum of these divisors (counting 20149749) is 1, the average is 0.25.

Base conversion 20149749

Base	System	Value
2	Binary	1001100110111010111110101
3	Ternary	1101220201021000
4	Quaternary	1030313113311
5	Quinary	20124242444
6	Senary	1555513513
8	Octal	114672765
10	Decimal	20149749
12	Duodecimal	68b8899
16	Hexadecimal	13375f5
20	Vigesimal	65ie79
36	Base36	bzvn9

Cryptographic Hash Functions

md5	b0d4e93be6513b5b21ba4575f79a6e35
sha1	b1f42fb6b0f989e3d9c330be9b1d8a95f5705880
sha256	abff7270e39ccc1c83c1e09a25ee48a76f84e06f9f4ac974803271b8ad5b5327
sha512	5726d96fa79c3358426c80aac6b793509e19c03bbbe6d2a951acafaecb7c677607bafed1b7b4b5447aa388dff9477dd790e03ceed9009f1da2dfd8618f8809db
ripemd-160	77bc049cf0444f8c715d3746aff8837c2e7e5b80

20149749 as geometric shapes

Circle

Radius = n

Diameter	40299498
Circumference	126604606.86016
Area	1.2755255252379E+15

Sphere

Radius = n

Volume	3.4268692235516E+22
Surface area	5.1021021009517E+15
Circumference	126604606.86016

Square

Length = n

Perimeter	80598996
Area	406012384763001
Diagonal	28496048.314214

Cube

Length = n

Surface area	2436074308578006
Volume	8.1810476438659E+21
Space diagonal	34900389.02776

Equilateral Triangle

Length = n

Perimeter	60449247
Area	1.7580851972793E+14
Altitude	17450194.51388

Triangular Pyramid

Length = n

Surface area	1.7580851972793E+14
Volume	9.641457110313E+20
Height	9498682.7714046