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

21688894 (number)

21688894 is an even 8-digits composite number following 21688893 and preceding 21688895. In scientific notation, it is written as 2.1688894 × 10^7. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 10835760 positive integers (up to 21688894) that are relatively prime to 21688894.

Interesting facts

21688894 has 8 divisors, whose sum is 32559408
The reverse of 21688894 is 49888612
Previous prime number is 1511

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1

Name

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

Notation

Scientific notation	2.1688894 × 10^7
Engineering notation	2.1688894 × 10^6

Prime Factorization of 21688894

Prime Factorization 2 × 1511 × 7177

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21688894	Product of the distinct prime numbers

The prime factorization of 21688894 is 2 × 1511 × 7177. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 10, 60, 66, 904, 397, 1973, 8697, 51122, 87601, 306834, 251436, 6954383, 2362849, 58325103, 1274699, 180712312, 515233241, 7999836731, 4016660771

Basic calculations (n = 21688894)

Multiplication

n×y

n×2	43377788
n×3	65066682
n×4	86755576
n×5	108444470

Division

n÷y

n÷2	10844447
n÷3	7229631.3333333
n÷3	5422223.5
n÷5	4337778.8

Exponentiation

n^y

n²	470408122943236
n³	1.0202631915255E+22
n⁴	2.2128380213098E+29
n⁵	4.7994009283358E+36

Nth Root

^y√n

²√n	4657.1336678262
³√n	278.87685285209
⁴√n	68.24319502944
⁵√n	29.325638808477

Divisors of 21688894

1, 2, 1511, 3022, 7177, 14354, 10844447, 21688894

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	-21688893	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 21688894 can be divided by 8 positive divisors. The sum of these divisors (counting 21688894) is 1, the average is 0.125.

Base conversion 21688894

Base	System	Value
2	Binary	1010010101111001000111110
3	Ternary	1111210220120101
4	Quaternary	1102233020332
5	Quinary	21023021034
6	Senary	2052511314
8	Octal	122571076
10	Decimal	21688894
12	Duodecimal	731b53a
16	Hexadecimal	14af23e
20	Vigesimal	6fb24e
36	Base36	cwv9a

Cryptographic Hash Functions

md5	c97f6da56f25ed9a3bb5cdad1bab6104
sha1	eedc0248834bf031be49ed9c2fb6de086489bc49
sha256	0cc58701626d393b9fdb9e77256face1288789e432a262c7fc1cf603017e777c
sha512	b0b8871a68c7e69c8f54f6d34503bfc3df3cd6ef15cba225943f5ab0b85e612297f254cbdb40df2114075acd7cbfca5e528d68ca6345086d16d3cfb116e59515
ripemd-160	57a4c340f63e1ea81c464172e6175a281568cc7e

21688894 as geometric shapes

Circle

Radius = n

Diameter	43377788
Circumference	136275340.10978
Area	1.4778307032274E+15

Sphere

Radius = n

Volume	4.273668462966E+22
Surface area	5.9113228129097E+15
Circumference	136275340.10978

Square

Length = n

Perimeter	86755576
Area	470408122943236
Diagonal	30672728.047672

Cube

Length = n

Surface area	2822448737659416
Volume	1.0202631915255E+22
Space diagonal	37566266.367976

Equilateral Triangle

Length = n

Perimeter	65066682
Area	2.036926923077E+14
Altitude	18783133.183988

Triangular Pyramid

Length = n

Surface area	2.036926923077E+14
Volume	1.2023917022045E+21
Height	10224242.682557