21388428, twenty-one million three hundred eighty-eight thousand four hundred twenty-eight: Prime Factorization, Divisors, Base conversion, Basic calculations, Geometric Shapes

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

Interesting facts

21388428 has 48 divisors, whose sum is 57372000
The reverse of 21388428 is 82488312
Previous prime number is 29

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9

Name

Name	twenty-one million three hundred eighty-eight thousand four hundred twenty-eight

Notation

Scientific notation	2.1388428 × 10^7
Engineering notation	2.1388428 × 10^6

Prime Factorization of 21388428

Prime Factorization 2 × 2 × 9 × 3 × 29 × 6829

Composite number

ω	Distinct Factors	5	Total number of distinct prime factors
Ω	Total Factors	6	Total number of prime factors
rad	Radical	10694214	Product of the distinct prime numbers

The prime factorization of 21388428 is 2 × 2 × 9 × 3 × 29 × 6829. Since it has a total of 6 prime factors.

Most popular turbo-numbers

10, 8, 41, 96, 205, 730, 9357, 3233, 69535, 70611, 760784, 454451, 173281, 8773835, 29746802, 9921707, 164409359, 545100528, 8504554156, 6332069934

Basic calculations (n = 21388428)

Multiplication

n×y

n×2	42776856
n×3	64165284
n×4	85553712
n×5	106942140

Division

n÷y

n÷2	10694214
n÷3	7129476
n÷3	5347107
n÷5	4277685.6

Exponentiation

n^y

n²	457464852311184
n³	9.7844540561884E+21
n⁴	2.0927409110009E+29
n⁵	4.4760438297598E+36

Nth Root

^y√n

²√n	4624.7624803875
³√n	277.58305767978
⁴√n	68.005606242335
⁵√n	29.243932527832

Divisors of 21388428

1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 54, 58, 87, 108, 116, 174, 261, 348, 522, 783, 1044, 1566, 3132, 6829, 13658, 20487, 27316, 40974, 61461, 81948, 122922, 184383, 198041, 245844, 368766, 396082, 594123, 737532, 792164, 1188246, 1782369, 2376492, 3564738, 5347107, 7129476, 10694214, 21388428

48 divisors

τ	Total Divisors	48	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21388427	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.020833333333333	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	48	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21388428 can be divided by 48 positive divisors. The sum of these divisors (counting 21388428) is 1, the average is 0.020833333333333.

Base conversion 21388428

Base	System	Value
2	Binary	1010001100101110010001100
3	Ternary	1111020122102000
4	Quaternary	1101211302030
5	Quinary	20433412203
6	Senary	2042232300
8	Octal	121456214
10	Decimal	21388428
12	Duodecimal	71b5690
16	Hexadecimal	1465c8c
20	Vigesimal	6ddb18
36	Base36	cqff0

Cryptographic Hash Functions

md5	ec26d7aed5753333bd29fe3e132c0fc6
sha1	cd70af1a0af878f8ab05eeaa11192131a04c21cb
sha256	56b1c173436fd0369494f3baba6d7e29c2ad065acdda86491bca563dc5bfca6a
sha512	b91d98adf537f81e107b4ce6432bdf995513b5dc22e86f1b8d3e0c2e36c30392f18c56784976c797ae420eab7e7701398ae0e9aa6f550bbf234c42298dabbc9e
ripemd-160	5d9bc3a5f470cd97f2c894affcbb96f9526dc24e

21388428 as geometric shapes

Circle

Radius = n

Diameter	42776856
Circumference	134387456.55327
Area	1.4371682192964E+15

Sphere

Radius = n

Volume	4.0985025309744E+22
Surface area	5.7486728771854E+15
Circumference	134387456.55327

Square

Length = n

Perimeter	85553712
Area	457464852311184
Diagonal	30247804.95544

Cube

Length = n

Surface area	2744789113867104
Volume	9.7844540561884E+21
Space diagonal	37045843.990029

Equilateral Triangle

Length = n

Perimeter	64165284
Area	1.9808809171999E+14
Altitude	18522921.995014

Triangular Pyramid

Length = n

Surface area	1.9808809171999E+14
Volume	1.1531089688898E+21
Height	10082601.651813