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

20142749 (number)

20142749 is an odd 8-digits composite number following 20142748 and preceding 20142750. In scientific notation, it is written as 2.0142749 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 18004800 positive integers (up to 20142749) that are relatively prime to 20142749.

Interesting facts

20142749 has 8 divisors, whose sum is 20649720
The reverse of 20142749 is 94724102
Previous prime number is 61

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

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

Notation

Scientific notation	2.0142749 × 10^7
Engineering notation	2.0142749 × 10^6

Prime Factorization of 20142749

Prime Factorization 121 × 61 × 2729

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20142749	Product of the distinct prime numbers

The prime factorization of 20142749 is 121 × 61 × 2729. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 2, 38, 20, 941, 362, 8389, 3845, 23589, 41746, 442725, 133310, 8117444, 9771316, 26072682, 59972949, 93773358, 212594697, 3210080724, 6648874810

Basic calculations (n = 20142749)

Multiplication

n×y

n×2	40285498
n×3	60428247
n×4	80570996
n×5	100713745

Division

n÷y

n÷2	10071374.5
n÷3	6714249.6666667
n÷3	5035687.25
n÷5	4028549.8

Exponentiation

n^y

n²	405730337277001
n³	8.172524345456E+21
n⁴	1.6461710658691E+29
n⁵	3.3158410590864E+36

Nth Root

^y√n

²√n	4488.0674014547
³√n	272.08603193368
⁴√n	66.993039947853
⁵√n	28.895069819822

Divisors of 20142749

1, 61, 121, 2729, 7381, 166469, 330209, 20142749

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	-20142748	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 20142749 can be divided by 8 positive divisors. The sum of these divisors (counting 20142749) is 1, the average is 0.125.

Base conversion 20142749

Base	System	Value
2	Binary	1001100110101101010011101
3	Ternary	1101220100122202
4	Quaternary	1030311222131
5	Quinary	20124031444
6	Senary	1555421245
8	Octal	114655235
10	Decimal	20142749
12	Duodecimal	68b4825
16	Hexadecimal	1335a9d
20	Vigesimal	65hgh9
36	Base36	bzq8t

Cryptographic Hash Functions

md5	92547b96db4ab5898864ca11fb9f68f6
sha1	35f3e01eb070dde1bdb170327a0c81c7ba416f6a
sha256	ea1417598b0fa53f274e28f9d55b8e2686fb54093b248e2b1bb900748890c7d1
sha512	26a7f6e2c886ba6d7bb23e911ed8e87f3d95fe48daa7e9ac7b0920bfe5b8d3859960fa8e208841eb32a19221a0f19022e7de1e0eb49e93eb6206082f6dde4225
ripemd-160	cbcbb46f3fbe09d3a6ad47a5afb8df53f608cc45

20142749 as geometric shapes

Circle

Radius = n

Diameter	40285498
Circumference	126560624.56301
Area	1.2746394469279E+15

Sphere

Radius = n

Volume	3.4232989926624E+22
Surface area	5.0985577877117E+15
Circumference	126560624.56301

Square

Length = n

Perimeter	80570996
Area	405730337277001
Diagonal	28486148.819277

Cube

Length = n

Surface area	2434382023662006
Volume	8.172524345456E+21
Space diagonal	34888264.672107

Equilateral Triangle

Length = n

Perimeter	60428247
Area	1.7568638958396E+14
Altitude	17444132.336054

Triangular Pyramid

Length = n

Surface area	1.7568638958396E+14
Volume	9.6314123068068E+20
Height	9495382.939759