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

21065145 (number)

21065145 is an odd 8-digits composite number following 21065144 and preceding 21065146. In scientific notation, it is written as 2.1065145 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 11176704 positive integers (up to 21065145) that are relatively prime to 21065145.

Interesting facts

21065145 has 8 divisors, whose sum is 22585600
The reverse of 21065145 is 54156012
Previous prime number is 199

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6

Name

Name	twenty-one million sixty-five thousand one hundred forty-five

Notation

Scientific notation	2.1065145 × 10^7
Engineering notation	2.1065145 × 10^6

Prime Factorization of 21065145

Prime Factorization 15 × 199 × 7057

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21065145	Product of the distinct prime numbers

The prime factorization of 21065145 is 15 × 199 × 7057. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 8, 58, 60, 702, 883, 2238, 4804, 775, 30351, 697526, 110097, 9056980, 3183975, 6976660, 89161319, 54456646, 324450278, 1048111249, 3924424114

Basic calculations (n = 21065145)

Multiplication

n×y

n×2	42130290
n×3	63195435
n×4	84260580
n×5	105325725

Division

n÷y

n÷2	10532572.5
n÷3	7021715
n÷3	5266286.25
n÷5	4213029

Exponentiation

n^y

n²	443740333871025
n³	9.3474544753416E+21
n⁴	1.9690548390397E+29
n⁵	4.1478425697323E+36

Nth Root

^y√n

²√n	4589.6780932872
³√n	276.17740904384
⁴√n	67.74716299069
⁵√n	29.154989582669

Divisors of 21065145

1, 15, 199, 2985, 7057, 105855, 1404343, 21065145

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21065144	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21065145 can be divided by 8 positive divisors. The sum of these divisors (counting 21065145) is 1, the average is 0.125.

Base conversion 21065145

Base	System	Value
2	Binary	1010000010110110110111001
3	Ternary	1110122012221120
4	Quaternary	1100112312321
5	Quinary	20343041040
6	Senary	2031255453
8	Octal	120266671
10	Decimal	21065145
12	Duodecimal	707a589
16	Hexadecimal	1416db9
20	Vigesimal	6bd2h5
36	Base36	cjhyx

Cryptographic Hash Functions

md5	ee2407cc76abf98f99edd6b5641a2f9a
sha1	495a692568c551862113c2ea32afcf8130bfab81
sha256	4d109e1b39cc075c1faaac26ede82a6798e52fcee76464a89d3e2a195e7fa31b
sha512	0f1782ae4638e1822855bb16989195559c1dd19d3b52ab5e19d668ad58968ca88dd1ecad56488e23bb048effbcca62ed7d030f7c147b249adca6f7fa4e69d009
ripemd-160	d92c4eb2545214df77111404b77dc9437a44a5cd

21065145 as geometric shapes

Circle

Radius = n

Diameter	42130290
Circumference	132356209.55761
Area	1.3940513729907E+15

Sphere

Radius = n

Volume	3.9154525745997E+22
Surface area	5.5762054919628E+15
Circumference	132356209.55761

Square

Length = n

Perimeter	84260580
Area	443740333871025
Diagonal	29790613.752356

Cube

Length = n

Surface area	2662442003226150
Volume	9.3474544753416E+21
Space diagonal	36485901.408805

Equilateral Triangle

Length = n

Perimeter	63195435
Area	1.9214520090805E+14
Altitude	18242950.704403

Triangular Pyramid

Length = n

Surface area	1.9214520090805E+14
Volume	1.1016080743911E+21
Height	9930204.5841186