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

21000389 (number)

21000389 is an odd 8-digits composite number following 21000388 and preceding 21000390. In scientific notation, it is written as 2.1000389 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 19728576 positive integers (up to 21000389) that are relatively prime to 21000389.

Interesting facts

21000389 has 8 divisors, whose sum is 22276800
The reverse of 21000389 is 98300012
Previous prime number is 883

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5

Name

Name	twenty-one million three hundred eighty-nine

Notation

Scientific notation	2.1000389 × 10^7
Engineering notation	2.1000389 × 10^6

Prime Factorization of 21000389

Prime Factorization 17 × 883 × 1399

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21000389	Product of the distinct prime numbers

The prime factorization of 21000389 is 17 × 883 × 1399. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 6, 12, 56, 482, 202, 6196, 4159, 91815, 28308, 248560, 513398, 4687165, 5230994, 54826885, 63516316, 564149995, 135089251, 7749279131, 9948341067

Basic calculations (n = 21000389)

Multiplication

n×y

n×2	42000778
n×3	63001167
n×4	84001556
n×5	105001945

Division

n÷y

n÷2	10500194.5
n÷3	7000129.6666667
n÷3	5250097.25
n÷5	4200077.8

Exponentiation

n^y

n²	441016338151321
n³	9.2615146565333E+21
n⁴	1.944954105164E+29
n⁵	4.0844792795591E+36

Nth Root

^y√n

²√n	4582.6181381389
³√n	275.89412115379
⁴√n	67.695037765991
⁵√n	29.137042530367

Divisors of 21000389

1, 17, 883, 1399, 15011, 23783, 1235317, 21000389

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	-21000388	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 21000389 can be divided by 8 positive divisors. The sum of these divisors (counting 21000389) is 1, the average is 0.125.

Base conversion 21000389

Base	System	Value
2	Binary	1010000000111000011000101
3	Ternary	1110111221010012
4	Quaternary	1100013003011
5	Quinary	20334003024
6	Senary	2030040005
8	Octal	120070305
10	Decimal	21000389
12	Duodecimal	7049005
16	Hexadecimal	14070c5
20	Vigesimal	6b50j9
36	Base36	ci405

Cryptographic Hash Functions

md5	8dfe67c9ddc82dc1f2678cb99bb72c0f
sha1	d918b14d55a97dcb2fc95cdc8e149b705d1fd7b8
sha256	17191b801104c50df0b89dda732877362b8ffc2b0e7d554c8aa2c5c019811319
sha512	a4b3c0a3247b0c9ec679169f839b0de494d428adae71a1f5987d350e825fc3e7196904ba171ba310015454e634138bfb8babb7acda36e914c1cfa3ec0e024c87
ripemd-160	7ca5e8f15083407c104a999535dcabaf4feb9617

21000389 as geometric shapes

Circle

Radius = n

Diameter	42000778
Circumference	131949335.60986
Area	1.3854936880493E+15

Sphere

Radius = n

Volume	3.8794541874772E+22
Surface area	5.541974752197E+15
Circumference	131949335.60986

Square

Length = n

Perimeter	84001556
Area	441016338151321
Diagonal	29699034.938911

Cube

Length = n

Surface area	2646098028907926
Volume	9.2615146565333E+21
Space diagonal	36373740.726711

Equilateral Triangle

Length = n

Perimeter	63001167
Area	1.9096567616152E+14
Altitude	18186870.363355

Triangular Pyramid

Length = n

Surface area	1.9096567616152E+14
Volume	1.0914799696155E+21
Height	9899678.3129703