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

21088891 (number)

21088891 is an odd 8-digits composite number following 21088890 and preceding 21088892. In scientific notation, it is written as 2.1088891 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 19848352 positive integers (up to 21088891) that are relatively prime to 21088891.

Interesting facts

21088891 has 4 divisors, whose sum is 22329432
The reverse of 21088891 is 19888012
Previous prime number is 17

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

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

Notation

Scientific notation	2.1088891 × 10^7
Engineering notation	2.1088891 × 10^6

Prime Factorization of 21088891

Prime Factorization 17 × 1240523

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21088891	Product of the distinct prime numbers

The prime factorization of 21088891 is 17 × 1240523. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 10, 37, 34, 513, 70, 603, 4744, 58930, 52276, 427766, 366653, 9115739, 7391913, 19674770, 47483545, 539181988, 221250556, 4258045195, 5133565361

Basic calculations (n = 21088891)

Multiplication

n×y

n×2	42177782
n×3	63266673
n×4	84355564
n×5	105444455

Division

n÷y

n÷2	10544445.5
n÷3	7029630.3333333
n÷3	5272222.75
n÷5	4217778.2

Exponentiation

n^y

n²	444741323609881
n³	9.3791012968045E+21
n⁴	1.9779484492627E+29
n⁵	4.171273925012E+36

Nth Root

^y√n

²√n	4592.2642563337
³√n	276.28114511362
⁴√n	67.76624717611
⁵√n	29.16155970051

Divisors of 21088891

1, 17, 1240523, 21088891

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21088890	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21088891 can be divided by 4 positive divisors. The sum of these divisors (counting 21088891) is 1, the average is 0.25.

Base conversion 21088891

Base	System	Value
2	Binary	1010000011100101001111011
3	Ternary	1110200102112001
4	Quaternary	1100130221323
5	Quinary	20344321031
6	Senary	2032001431
8	Octal	120345173
10	Decimal	21088891
12	Duodecimal	7090277
16	Hexadecimal	141ca7b
20	Vigesimal	6bg24b
36	Base36	ck0aj

Cryptographic Hash Functions

md5	237997851a5c5615daab3a81c09debce
sha1	984eb2cfa43c6460b7b1f0cb5d302af3debacb46
sha256	ff3fff14c26cb3ebc496045319fb6ed769c4eeda3eef11a363e302007d7155a3
sha512	ddf0f8f33e65feb81c516b312f4f3420938f1dd6d93660a984cfbfdfa8bbc130277d8dd822e38b193b90c569aa1881718873e2cc14be8a33e4ffbcb3e37f48d0
ripemd-160	6e10a0b2b04204ecd31a689bcd7d671ef430a736

21088891 as geometric shapes

Circle

Radius = n

Diameter	42177782
Circumference	132505410.07591
Area	1.3971960750006E+15

Sphere

Radius = n

Volume	3.9287087641754E+22
Surface area	5.5887843000024E+15
Circumference	132505410.07591

Square

Length = n

Perimeter	84355564
Area	444741323609881
Diagonal	29824195.667608

Cube

Length = n

Surface area	2668447941659286
Volume	9.3791012968045E+21
Space diagonal	36527030.687282

Equilateral Triangle

Length = n

Perimeter	63266673
Area	1.9257864217944E+14
Altitude	18263515.343641

Triangular Pyramid

Length = n

Surface area	1.9257864217944E+14
Volume	1.1053376880677E+21
Height	9941398.5558693