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

20139749 (number)

20139749 is an odd 8-digits composite number following 20139748 and preceding 20139750. In scientific notation, it is written as 2.0139749 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 17238816 positive integers (up to 20139749) that are relatively prime to 20139749.

Interesting facts

20139749 has 8 divisors, whose sum is 23048640
The reverse of 20139749 is 94793102
Previous prime number is 953

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8

Name

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

Notation

Scientific notation	2.0139749 × 10^7
Engineering notation	2.0139749 × 10^6

Prime Factorization of 20139749

Prime Factorization 7 × 953 × 3019

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20139749	Product of the distinct prime numbers

The prime factorization of 20139749 is 7 × 953 × 3019. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 8, 84, 68, 848, 953, 9522, 2697, 78041, 67260, 246396, 473321, 7399571, 8305809, 83966670, 46505775, 286872221, 915008255, 9131253883, 5910138064

Basic calculations (n = 20139749)

Multiplication

n×y

n×2	40279498
n×3	60419247
n×4	80558996
n×5	100698745

Division

n÷y

n÷2	10069874.5
n÷3	6713249.6666667
n÷3	5034937.25
n÷5	4027949.8

Exponentiation

n^y

n²	405609489783001
n³	8.1688733162477E+21
n⁴	1.6451905820203E+29
n⁵	3.3133725379052E+36

Nth Root

^y√n

²√n	4487.7331694298
³√n	272.07252337331
⁴√n	66.990545373431
⁵√n	28.894209059713

Divisors of 20139749

1, 7, 953, 3019, 6671, 21133, 2877107, 20139749

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	-20139748	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 20139749 can be divided by 8 positive divisors. The sum of these divisors (counting 20139749) is 1, the average is 0.125.

Base conversion 20139749

Base	System	Value
2	Binary	1001100110100111011100101
3	Ternary	1101220012112122
4	Quaternary	1030310323211
5	Quinary	20123432444
6	Senary	1555355325
8	Octal	114647345
10	Decimal	20139749
12	Duodecimal	68b2b45
16	Hexadecimal	1334ee5
20	Vigesimal	65h979
36	Base36	bznxh

Cryptographic Hash Functions

md5	28db6e826fd8919ba8423d4dd7349911
sha1	f849692d91c2e03cf5e49c0fffeaf56e33b82365
sha256	ce5673ed1160553ddf05ad1ce880af04cc50a7e3591604ada7fb833833039dc8
sha512	53e3490182d8cd820358e85387310ce32262e7f62e79b5bf3c4d4530debcdbe8e50c0cd8e5bf76b632098bac1a4a853bc6778f6731c45b3c425a4d20c31f4ff3
ripemd-160	054c27911cd67797f69a64fa45328d7666fb5114

20139749 as geometric shapes

Circle

Radius = n

Diameter	40279498
Circumference	126541775.00708
Area	1.2742597933286E+15

Sphere

Radius = n

Volume	3.4217696531239E+22
Surface area	5.0970391733143E+15
Circumference	126541775.00708

Square

Length = n

Perimeter	80558996
Area	405609489783001
Diagonal	28481906.17859

Cube

Length = n

Surface area	2433656938698006
Volume	8.1688733162477E+21
Space diagonal	34883068.519684

Equilateral Triangle

Length = n

Perimeter	60419247
Area	1.7563406108406E+14
Altitude	17441534.259842

Triangular Pyramid

Length = n

Surface area	1.7563406108406E+14
Volume	9.627109527621E+20
Height	9493968.7261967