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

20181628 (number)

20181628 is an even 8-digits composite number following 20181627 and preceding 20181629. In scientific notation, it is written as 2.0181628 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 6 positive divisors. There are 10090812 positive integers (up to 20181628) that are relatively prime to 20181628.

Interesting facts

20181628 has 6 divisors, whose sum is 35317856
The reverse of 20181628 is 82618102
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1

Name

Name	twenty million one hundred eighty-one thousand six hundred twenty-eight

Notation

Scientific notation	2.0181628 × 10^7
Engineering notation	2.0181628 × 10^6

Prime Factorization of 20181628

Prime Factorization 2 × 2 × 5045407

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	10090814	Product of the distinct prime numbers

The prime factorization of 20181628 is 2 × 2 × 5045407. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 3, 76, 54, 242, 778, 2797, 3097, 1291, 62292, 477047, 33725, 9183572, 5432348, 37634283, 55471867, 20376067, 526714110, 4376633196, 5741435873

Basic calculations (n = 20181628)

Multiplication

n×y

n×2	40363256
n×3	60544884
n×4	80726512
n×5	100908140

Division

n÷y

n÷2	10090814
n÷3	6727209.3333333
n÷3	5045407
n÷5	4036325.6

Exponentiation

n^y

n²	407298108730384
n³	8.2199389155002E+21
n⁴	1.6589174937535E+29
n⁵	3.3479655741625E+36

Nth Root

^y√n

²√n	4492.3966877381
³√n	272.2609771717
⁴√n	67.025343622678
⁵√n	28.906215717248

Divisors of 20181628

1, 2, 4, 5045407, 10090814, 20181628

6 divisors

τ	Total Divisors	6	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20181627	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.16666666666667	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	6	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20181628 can be divided by 6 positive divisors. The sum of these divisors (counting 20181628) is 1, the average is 0.16666666666667.

Base conversion 20181628

Base	System	Value
2	Binary	1001100111111001001111100
3	Ternary	1101222022222201
4	Quaternary	1030333021330
5	Quinary	20131303003
6	Senary	2000321244
8	Octal	114771174
10	Decimal	20181628
12	Duodecimal	6913224
16	Hexadecimal	133f27c
20	Vigesimal	662e18
36	Base36	c0k8s

Cryptographic Hash Functions

md5	5ca870cb6ee6902c001d5af00c84ca37
sha1	f307be611f8db9bb2bbbc240d16f93f62338a091
sha256	b027e4db8f1b56d891619b31232a41aa24c5905c6bff536c58bcc4a36212195c
sha512	108a4c1739f75da9153cf0cf57467dade540c7bb0574e27c81b7f113b0d0bbd8b354c1eca9b2aa28559c8591da6ef161c8e786f00fbca94ea8d7d4f6a1b53b00
ripemd-160	ce1de0d52f7b05a1ee9c29df297397f4e7ae1c00

20181628 as geometric shapes

Circle

Radius = n

Diameter	40363256
Circumference	126804908.52456
Area	1.2795647462084E+15

Sphere

Radius = n

Volume	3.443159961319E+22
Surface area	5.1182589848336E+15
Circumference	126804908.52456

Square

Length = n

Perimeter	80726512
Area	407298108730384
Diagonal	28541132.028369

Cube

Length = n

Surface area	2443788652382304
Volume	8.2199389155002E+21
Space diagonal	34955605.075455

Equilateral Triangle

Length = n

Perimeter	60544884
Area	1.7636525453693E+14
Altitude	17477802.537727

Triangular Pyramid

Length = n

Surface area	1.7636525453693E+14
Volume	9.6872909134823E+20
Height	9513710.6761229