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

21678889 (number)

21678889 is an odd 8-digits composite number following 21678888 and preceding 21678890. In scientific notation, it is written as 2.1678889 × 10^7. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 20979540 positive integers (up to 21678889) that are relatively prime to 21678889.

Interesting facts

21678889 has 4 divisors, whose sum is 22378240
The reverse of 21678889 is 98887612
Previous prime number is 31

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4

Name

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

Notation

Scientific notation	2.1678889 × 10^7
Engineering notation	2.1678889 × 10^6

Prime Factorization of 21678889

Prime Factorization 31 × 699319

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21678889	Product of the distinct prime numbers

The prime factorization of 21678889 is 31 × 699319. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 3, 16, 79, 663, 133, 5717, 4299, 14136, 67076, 275218, 649661, 9002458, 503062, 9770942, 47115074, 476939409, 228599563, 5294511276, 7570281825

Basic calculations (n = 21678889)

Multiplication

n×y

n×2	43357778
n×3	65036667
n×4	86715556
n×5	108394445

Division

n÷y

n÷2	10839444.5
n÷3	7226296.3333333
n÷3	5419722.25
n÷5	4335777.8

Exponentiation

n^y

n²	469974228274321
n³	1.018851912762E+22
n⁴	2.2087577524204E+29
n⁵	4.7883414142612E+36

Nth Root

^y√n

²√n	4656.0593853601
³√n	278.83396466466
⁴√n	68.235323589473
⁵√n	29.32293274915

Divisors of 21678889

1, 31, 699319, 21678889

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	-21678888	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 21678889 can be divided by 4 positive divisors. The sum of these divisors (counting 21678889) is 1, the average is 0.25.

Base conversion 21678889

Base	System	Value
2	Binary	1010010101100101100101001
3	Ternary	1111210101211211
4	Quaternary	1102230230221
5	Quinary	21022211024
6	Senary	2052353121
8	Octal	122545451
10	Decimal	21678889
12	Duodecimal	73157a1
16	Hexadecimal	14acb29
20	Vigesimal	6f9h49
36	Base36	cwnjd

Cryptographic Hash Functions

md5	b97cfae0b9f338a35ea13fff35a108e2
sha1	bb2bb6a2d89fbb747017b977b8a6a2dd2c3f8a9f
sha256	18f2e4c792f6f4952a85aea57af32c85d67327af98aa877d02fd23c348344f94
sha512	2118450cc5a70480439def5d1c826ee12d62f97c9b4cc60410752d789df530fb9959eda559cc11d560b094748553433ed33c7dac43bde5d1a32ce74fad8d474e
ripemd-160	d275bc84e5040c5a4256127c1695108f0a79448a

21678889 as geometric shapes

Circle

Radius = n

Diameter	43357778
Circumference	136212476.84078
Area	1.4764675829231E+15

Sphere

Radius = n

Volume	4.2677569123052E+22
Surface area	5.9058703316926E+15
Circumference	136212476.84078

Square

Length = n

Perimeter	86715556
Area	469974228274321
Diagonal	30658578.840981

Cube

Length = n

Surface area	2819845369645926
Volume	1.018851912762E+22
Space diagonal	37548937.199646

Equilateral Triangle

Length = n

Perimeter	65036667
Area	2.0350481040477E+14
Altitude	18774468.599823

Triangular Pyramid

Length = n

Surface area	2.0350481040477E+14
Volume	1.2007284942315E+21
Height	10219526.280327