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

21127985 (number)

21127985 is an odd 8-digits composite number following 21127984 and preceding 21127986. In scientific notation, it is written as 2.1127985 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 16902384 positive integers (up to 21127985) that are relatively prime to 21127985.

Interesting facts

21127985 has 4 divisors, whose sum is 25353588
The reverse of 21127985 is 58972112
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8

Name

Name	twenty-one million one hundred twenty-seven thousand nine hundred eighty-five

Notation

Scientific notation	2.1127985 × 10^7
Engineering notation	2.1127985 × 10^6

Prime Factorization of 21127985

Prime Factorization 5 × 4225597

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21127985	Product of the distinct prime numbers

The prime factorization of 21127985 is 5 × 4225597. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 9, 13, 79, 676, 197, 5169, 6770, 78634, 22633, 590714, 142812, 1165679, 204079, 7162636, 53745416, 763583890, 104370253, 375415731, 553019561

Basic calculations (n = 21127985)

Multiplication

n×y

n×2	42255970
n×3	63383955
n×4	84511940
n×5	105639925

Division

n÷y

n÷2	10563992.5
n÷3	7042661.6666667
n÷3	5281996.25
n÷5	4225597

Exponentiation

n^y

n²	446391750160225
n³	9.431358201509E+21
n⁴	1.9926559461111E+29
n⁵	4.2100804939596E+36

Nth Root

^y√n

²√n	4596.5187914334
³√n	276.45176049898
⁴√n	67.797631163879
⁵√n	29.17236347016

Divisors of 21127985

1, 5, 4225597, 21127985

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	-21127984	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 21127985 can be divided by 4 positive divisors. The sum of these divisors (counting 21127985) is 1, the average is 0.25.

Base conversion 21127985

Base	System	Value
2	Binary	1010000100110001100110001
3	Ternary	1110202102010222
4	Quaternary	1100212030301
5	Quinary	20402043420
6	Senary	2032502425
8	Octal	120461461
10	Decimal	21127985
12	Duodecimal	70aaa15
16	Hexadecimal	1426331
20	Vigesimal	6c0jj5
36	Base36	ckugh

Cryptographic Hash Functions

md5	a1ff608ea3986412212c363db098e0a4
sha1	bd51229173ec456df3aa21f1fdd3ecd8d1508680
sha256	c57d1e8d7fa332ded334b13eca3fef45c2df9d6bfd43d425d33fe82f9dca964f
sha512	ec800f324342668df14a9f328142fa022aa78f53e0132bb99c8983f47b2931d4980186346ff633c0288c5d2705e106421d0400c8f738e3ce16358308d6671986
ripemd-160	e2e6de2ffa8f1c688b0c21a8e5d845008e0ed6f2

21127985 as geometric shapes

Circle

Radius = n

Diameter	42255970
Circumference	132751044.92231
Area	1.4023810429265E+15

Sphere

Radius = n

Volume	3.9505980852313E+22
Surface area	5.6095241717058E+15
Circumference	132751044.92231

Square

Length = n

Perimeter	84511940
Area	446391750160225
Diagonal	29879482.932615

Cube

Length = n

Surface area	2678350500961350
Volume	9.431358201509E+21
Space diagonal	36594743.481553

Equilateral Triangle

Length = n

Perimeter	63383955
Area	1.9329329783928E+14
Altitude	18297371.740777

Triangular Pyramid

Length = n

Surface area	1.9329329783928E+14
Volume	1.1114962233477E+21
Height	9959827.6442051