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

21240145 (number)

21240145 is an odd 8-digits composite number following 21240144 and preceding 21240146. In scientific notation, it is written as 2.1240145 × 10^7. The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors. There are 16826736 positive integers (up to 21240145) that are relatively prime to 21240145.

Interesting facts

21240145 has 8 divisors, whose sum is 25736256
The reverse of 21240145 is 54104212
Previous prime number is 103

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1

Name

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

Notation

Scientific notation	2.1240145 × 10^7
Engineering notation	2.1240145 × 10^6

Prime Factorization of 21240145

Prime Factorization 5 × 103 × 41243

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21240145	Product of the distinct prime numbers

The prime factorization of 21240145 is 5 × 103 × 41243. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 3, 25, 80, 886, 201, 5767, 3515, 23376, 33526, 6128, 945236, 2626866, 9179568, 74111669, 87046633, 948375555, 201228431, 9444263336, 8584393657

Basic calculations (n = 21240145)

Multiplication

n×y

n×2	42480290
n×3	63720435
n×4	84960580
n×5	106200725

Division

n÷y

n÷2	10620072.5
n÷3	7080048.3333333
n÷3	5310036.25
n÷5	4248029

Exponentiation

n^y

n²	451143759621025
n³	9.5823588701957E+21
n⁴	2.0353069184499E+29
n⁵	4.323021406738E+36

Nth Root

^y√n

²√n	4608.7031798544
³√n	276.94008791711
⁴√n	67.887430205115
⁵√n	29.203270785735

Divisors of 21240145

1, 5, 103, 515, 41243, 206215, 4248029, 21240145

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	-21240144	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 21240145 can be divided by 8 positive divisors. The sum of these divisors (counting 21240145) is 1, the average is 0.125.

Base conversion 21240145

Base	System	Value
2	Binary	1010001000001100101010001
3	Ternary	1110222010000001
4	Quaternary	1101001211101
5	Quinary	20414141040
6	Senary	2035130001
8	Octal	121014521
10	Decimal	21240145
12	Duodecimal	7143901
16	Hexadecimal	1441951
20	Vigesimal	6cf075
36	Base36	cn901

Cryptographic Hash Functions

md5	6b78a0c9710e8df245e05db28d24783a
sha1	d3ffbb72a99c219066ef4b2753bc7d339f9524ef
sha256	5b44bbf8f2a24650c1ed974640a5b88aeb0ab605e8fa3dd2888d8ba74665ab4d
sha512	773ac84d5a7fd5e58da1fb611d5a80ce9221dac2b237aa8cf40efac4f1f597eb91009c8d6062b5178810ddcc94a8fee02dc869d88653f247d53701297afee95c
ripemd-160	5981cd65ac6f6cf1c4a89eb283f7d445ef682a4f

21240145 as geometric shapes

Circle

Radius = n

Diameter	42480290
Circumference	133455766.98636
Area	1.4173099209383E+15

Sphere

Radius = n

Volume	4.0138490974224E+22
Surface area	5.6692396837532E+15
Circumference	133455766.98636

Square

Length = n

Perimeter	84960580
Area	451143759621025
Diagonal	30038101.125771

Cube

Length = n

Surface area	2706862557726150
Volume	9.5823588701957E+21
Space diagonal	36789010.30013

Equilateral Triangle

Length = n

Perimeter	63720435
Area	1.9535097829531E+14
Altitude	18394505.150065

Triangular Pyramid

Length = n

Surface area	1.9535097829531E+14
Volume	1.1292918228131E+21
Height	10012700.375257