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

21086989 (number)

21086989 is an odd 8-digits composite number following 21086988 and preceding 21086990. In scientific notation, it is written as 2.1086989 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 16431360 positive integers (up to 21086989) that are relatively prime to 21086989.

Interesting facts

21086989 has 8 divisors, whose sum is 26290368
The reverse of 21086989 is 98968012
Previous prime number is 11

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7

Name

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

Notation

Scientific notation	2.1086989 × 10^7
Engineering notation	2.1086989 × 10^6

Prime Factorization of 21086989

Prime Factorization 7 × 11 × 273857

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21086989	Product of the distinct prime numbers

The prime factorization of 21086989 is 7 × 11 × 273857. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 9, 55, 19, 738, 249, 6848, 1189, 72137, 15532, 447453, 460827, 8423379, 861727, 4210786, 23817898, 799327228, 652362263, 8310174854, 7169693563

Basic calculations (n = 21086989)

Multiplication

n×y

n×2	42173978
n×3	63260967
n×4	84347956
n×5	105434945

Division

n÷y

n÷2	10543494.5
n÷3	7028996.3333333
n÷3	5271747.25
n÷5	4217397.8

Exponentiation

n^y

n²	444661105086121
n³	9.3765638316789E+21
n⁴	1.9772349837641E+29
n⁵	4.1693932353049E+36

Nth Root

^y√n

²√n	4592.0571642783
³√n	276.27283896266
⁴√n	67.764719170659
⁵√n	29.161033667276

Divisors of 21086989

1, 7, 11, 77, 273857, 1916999, 3012427, 21086989

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	-21086988	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 21086989 can be divided by 8 positive divisors. The sum of these divisors (counting 21086989) is 1, the average is 0.125.

Base conversion 21086989

Base	System	Value
2	Binary	1010000011100001100001101
3	Ternary	1110200022220121
4	Quaternary	1100130030031
5	Quinary	20344240424
6	Senary	2031544541
8	Octal	120341415
10	Decimal	21086989
12	Duodecimal	708b151
16	Hexadecimal	141c30d
20	Vigesimal	6bfh99
36	Base36	cjytp

Cryptographic Hash Functions

md5	1af7478209f94e4d06fa7951ce9fed8f
sha1	6270298a51bca240a2b87f72395fecef407a8f7c
sha256	0a8cc1fd34d291fcc0d0b3a7287d1c53858ee8e5e53f4ae2f0f35292e24ab002
sha512	481c801ea86db2cf11cf905b3f77814537920652f19922a153332383868aa38dc93fb00932dbc57259e31c33332c2430097c0444f3ad8d1f8bba9233c5574fa3
ripemd-160	2bd917608195cabb9983897b41b8a2f6b8c9eadc

21086989 as geometric shapes

Circle

Radius = n

Diameter	42173978
Circumference	132493459.45746
Area	1.3969440610757E+15

Sphere

Radius = n

Volume	3.9276458732691E+22
Surface area	5.5877762443027E+15
Circumference	132493459.45746

Square

Length = n

Perimeter	84347956
Area	444661105086121
Diagonal	29821505.833412

Cube

Length = n

Surface area	2667966630516726
Volume	9.3765638316789E+21
Space diagonal	36523736.326646

Equilateral Triangle

Length = n

Perimeter	63260967
Area	1.9254390653972E+14
Altitude	18261868.163323

Triangular Pyramid

Length = n

Surface area	1.9254390653972E+14
Volume	1.1050386449348E+21
Height	9940501.9444708