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

21438085 (number)

21438085 is an odd 8-digits composite number following 21438084 and preceding 21438086. In scientific notation, it is written as 2.1438085 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 17150464 positive integers (up to 21438085) that are relatively prime to 21438085.

Interesting facts

21438085 has 4 divisors, whose sum is 25725708
The reverse of 21438085 is 58083412
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	twenty-one million four hundred thirty-eight thousand eighty-five

Notation

Scientific notation	2.1438085 × 10^7
Engineering notation	2.1438085 × 10^6

Prime Factorization of 21438085

Prime Factorization 5 × 4287617

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21438085	Product of the distinct prime numbers

The prime factorization of 21438085 is 5 × 4287617. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 2, 48, 19, 253, 83, 4041, 4419, 99437, 58302, 124208, 683217, 5856509, 6970569, 19995118, 77940736, 946280853, 202585473, 1997866002, 7463552969

Basic calculations (n = 21438085)

Multiplication

n×y

n×2	42876170
n×3	64314255
n×4	85752340
n×5	107190425

Division

n÷y

n÷2	10719042.5
n÷3	7146028.3333333
n÷3	5359521.25
n÷5	4287617

Exponentiation

n^y

n²	459591488467225
n³	9.8527613950369E+21
n⁴	2.1122433627152E+29
n⁵	4.5282452750574E+36

Nth Root

^y√n

²√n	4630.127967994
³√n	277.79771095476
⁴√n	68.045043669572
⁵√n	29.257498922235

Divisors of 21438085

1, 5, 4287617, 21438085

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	-21438084	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 21438085 can be divided by 4 positive divisors. The sum of these divisors (counting 21438085) is 1, the average is 0.25.

Base conversion 21438085

Base	System	Value
2	Binary	1010001110001111010000101
3	Ternary	1111100011112011
4	Quaternary	1101301322011
5	Quinary	20442004320
6	Senary	2043254221
8	Octal	121617205
10	Decimal	21438085
12	Duodecimal	721a371
16	Hexadecimal	1471e85
20	Vigesimal	6djf45
36	Base36	crhqd

Cryptographic Hash Functions

md5	474a04d9a5ecc9e3f140f32bc140dd2e
sha1	5dd8b56b1a0c0ed1a3c7822c872587096334de1a
sha256	b4b1cbc03a086ed42b07653249eba8d8d17127015cd9d6e8688de7d81f776eb3
sha512	1865b68d13130a4581f17ac4d5c4bf1624ace192be031ab3400ad27ef064d4004e5faa04530a38447a57088e3393df4592d2fb4bd4c248aa94829ac69b6c9dfe
ripemd-160	51019342a552f0672e9c913892db7841f67c8e4b

21438085 as geometric shapes

Circle

Radius = n

Diameter	42876170
Circumference	134699460.68607
Area	1.443849243821E+15

Sphere

Radius = n

Volume	4.1271150421628E+22
Surface area	5.7753969752841E+15
Circumference	134699460.68607

Square

Length = n

Perimeter	85752340
Area	459591488467225
Diagonal	30318030.558307

Cube

Length = n

Surface area	2757548930803350
Volume	9.8527613950369E+21
Space diagonal	37131852.43698

Equilateral Triangle

Length = n

Perimeter	64314255
Area	1.9900895218786E+14
Altitude	18565926.21849

Triangular Pyramid

Length = n

Surface area	1.9900895218786E+14
Volume	1.1611590659739E+21
Height	10106010.186102