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

21388258 (number)

21388258 is an even 8-digits composite number following 21388257 and preceding 21388259. In scientific notation, it is written as 2.1388258 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 10694128 positive integers (up to 21388258) that are relatively prime to 21388258.

Interesting facts

21388258 has 4 divisors, whose sum is 32082390
The reverse of 21388258 is 85288312
Previous prime number is 2

Basic properties

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

Name

Name	twenty-one million three hundred eighty-eight thousand two hundred fifty-eight

Notation

Scientific notation	2.1388258 × 10^7
Engineering notation	2.1388258 × 10^6

Prime Factorization of 21388258

Prime Factorization 2 × 10694129

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21388258	Product of the distinct prime numbers

The prime factorization of 21388258 is 2 × 10694129. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 9, 65, 77, 254, 104, 4833, 6640, 14173, 86690, 501670, 450152, 4848620, 1343599, 58133066, 81294843, 663006322, 384573693, 3994430805, 309025122

Basic calculations (n = 21388258)

Multiplication

n×y

n×2	42776516
n×3	64164774
n×4	85553032
n×5	106941290

Division

n÷y

n÷2	10694129
n÷3	7129419.3333333
n÷3	5347064.5
n÷5	4277651.6

Exponentiation

n^y

n²	457457580274564
n³	9.7842207509681E+21
n⁴	2.0926743775066E+29
n⁵	4.47586594961E+36

Nth Root

^y√n

²√n	4624.7441010287
³√n	277.58232224713
⁴√n	68.005471110998
⁵√n	29.243886040224

Divisors of 21388258

1, 2, 10694129, 21388258

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	-21388257	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 21388258 can be divided by 4 positive divisors. The sum of these divisors (counting 21388258) is 1, the average is 0.25.

Base conversion 21388258

Base	System	Value
2	Binary	1010001100101101111100010
3	Ternary	1111020122011201
4	Quaternary	1101211233202
5	Quinary	20433411013
6	Senary	2042231414
8	Octal	121455742
10	Decimal	21388258
12	Duodecimal	71b556a
16	Hexadecimal	1465be2
20	Vigesimal	6ddaci
36	Base36	cqfaa

Cryptographic Hash Functions

md5	d01e82c96b5c7e0aeb70dbb7126c0067
sha1	de4fc29b0417cfd05d24a615f1a2e4e4d20dd580
sha256	03f01db551180c849b111918bdd348c44aea76b9ba043bf21253c4d3b9242012
sha512	ca557efe0fbc2a643f12c4f03fd05880a8fc85cd81b088af8e41c9b4abe71870d9e1d20627db1dd11e9ae6927a2d04b895b8703844a2f204434475810cb1515d
ripemd-160	519947684019dd7ac6cb48c239b8a9ae8128f41c

21388258 as geometric shapes

Circle

Radius = n

Diameter	42776516
Circumference	134386388.41177
Area	1.4371453735195E+15

Sphere

Radius = n

Volume	4.0984048043123E+22
Surface area	5.7485814940781E+15
Circumference	134386388.41177

Square

Length = n

Perimeter	85553032
Area	457457580274564
Diagonal	30247564.539135

Cube

Length = n

Surface area	2744745481647384
Volume	9.7842207509681E+21
Space diagonal	37045549.541391

Equilateral Triangle

Length = n

Perimeter	64164774
Area	1.9808494283577E+14
Altitude	18522774.770696

Triangular Pyramid

Length = n

Surface area	1.9808494283577E+14
Volume	1.1530814736059E+21
Height	10082521.513045