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

20256721 (number)

20256721 is an odd 8-digits composite number following 20256720 and preceding 20256722. In scientific notation, it is written as 2.0256721 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 19375972 positive integers (up to 20256721) that are relatively prime to 20256721.

Interesting facts

20256721 has 4 divisors, whose sum is 21137472
The reverse of 20256721 is 12765202
Previous prime number is 23

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	twenty million two hundred fifty-six thousand seven hundred twenty-one

Notation

Scientific notation	2.0256721 × 10^7
Engineering notation	2.0256721 × 10^6

Prime Factorization of 20256721

Prime Factorization 23 × 880727

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20256721	Product of the distinct prime numbers

The prime factorization of 20256721 is 23 × 880727. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 5, 78, 1, 304, 591, 3047, 7647, 37915, 83436, 128512, 108807, 3297594, 3398824, 24320895, 63777067, 57909196, 485518717, 7895906555, 7464863950

Basic calculations (n = 20256721)

Multiplication

n×y

n×2	40513442
n×3	60770163
n×4	81026884
n×5	101283605

Division

n÷y

n÷2	10128360.5
n÷3	6752240.3333333
n÷3	5064180.25
n÷5	4051344.2

Exponentiation

n^y

n²	410334745671841
n³	8.3120364596804E+21
n⁴	1.6837460350557E+29
n⁵	3.410717366698E+36

Nth Root

^y√n

²√n	4500.7467158239
³√n	272.59824081766
⁴√n	67.087604785265
⁵√n	28.927694965311

Divisors of 20256721

1, 23, 880727, 20256721

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	-20256720	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 20256721 can be divided by 4 positive divisors. The sum of these divisors (counting 20256721) is 1, the average is 0.25.

Base conversion 20256721

Base	System	Value
2	Binary	1001101010001011111010001
3	Ternary	1102010010222221
4	Quaternary	1031101133101
5	Quinary	20141203341
6	Senary	2002101041
8	Octal	115213721
10	Decimal	20256721
12	Duodecimal	694a781
16	Hexadecimal	13517d1
20	Vigesimal	66c1g1
36	Base36	c266p

Cryptographic Hash Functions

md5	7daff00116b5e4278679e7192f317cfb
sha1	d384dee7d0a5b9407b84cf4a45b0cb738d223b70
sha256	b3929bb2a6cf918b98d6d250ad9151534454d333e58c9aa7fe03e9836a0429d0
sha512	f99f93a91754d272df5ff6785c58b21122e4be6fbeeb5ed14fc56ce6ec2482e78c886951d3931ac3438e215b199ca73f09d972c74fa9a56f85004d7bada0833b
ripemd-160	36bc41ddf8652724cf06000f88bd89c0352d37d9

20256721 as geometric shapes

Circle

Radius = n

Diameter	40513442
Circumference	127276731.75884
Area	1.2891046225153E+15

Sphere

Radius = n

Volume	3.4817376904137E+22
Surface area	5.1564184900612E+15
Circumference	127276731.75884

Square

Length = n

Perimeter	81026884
Area	410334745671841
Diagonal	28647329.567408

Cube

Length = n

Surface area	2462008474031046
Volume	8.3120364596804E+21
Space diagonal	35085669.966747

Equilateral Triangle

Length = n

Perimeter	60770163
Area	1.7768015690362E+14
Altitude	17542834.983374

Triangular Pyramid

Length = n

Surface area	1.7768015690362E+14
Volume	9.7958289101831E+20
Height	9549109.8558026