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

20120721 (number)

20120721 is an odd 8-digits composite number following 20120720 and preceding 20120722. In scientific notation, it is written as 2.0120721 × 10^7. The sum of its digits is 15. It has a total of 2 prime factors and 4 positive divisors. There are 13413812 positive integers (up to 20120721) that are relatively prime to 20120721.

Interesting facts

20120721 has 4 divisors, whose sum is 26827632
The reverse of 20120721 is 12702102
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 15
Digital Root 6

Name

Name	twenty million one hundred twenty thousand seven hundred twenty-one

Notation

Scientific notation	2.0120721 × 10^7
Engineering notation	2.0120721 × 10^6

Prime Factorization of 20120721

Prime Factorization 3 × 6706907

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20120721	Product of the distinct prime numbers

The prime factorization of 20120721 is 3 × 6706907. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 5, 8, 21, 390, 51, 352, 4540, 37592, 42298, 383181, 685286, 4240718, 7130403, 26769125, 86991386, 969375468, 298889, 6147595948, 6654183816

Basic calculations (n = 20120721)

Multiplication

n×y

n×2	40241442
n×3	60362163
n×4	80482884
n×5	100603605

Division

n÷y

n÷2	10060360.5
n÷3	6706907
n÷3	5030180.25
n÷5	4024144.2

Exponentiation

n^y

n²	404843413559841
n³	8.1457413729252E+21
n⁴	1.6389818950278E+29
n⁵	3.2977497433907E+36

Nth Root

^y√n

²√n	4485.6126671838
³√n	271.98681182453
⁴√n	66.974716626379
⁵√n	28.888747155421

Divisors of 20120721

1, 3, 6706907, 20120721

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	-20120720	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 20120721 can be divided by 4 positive divisors. The sum of these divisors (counting 20120721) is 1, the average is 0.25.

Base conversion 20120721

Base	System	Value
2	Binary	1001100110000010010010001
3	Ternary	1101212020102220
4	Quaternary	1030300102101
5	Quinary	20122330341
6	Senary	1555131253
8	Octal	114602221
10	Decimal	20120721
12	Duodecimal	68a3b29
16	Hexadecimal	1330491
20	Vigesimal	65f1g1
36	Base36	bz98x

Cryptographic Hash Functions

md5	b5b8918e884275d690ca35d3ace04b13
sha1	7539f53bd77cc1187f7fc86543329480256c7a43
sha256	cd6de785d4735414116f24ef24c082edc13ba857fcebf22ac90610eb62a7015d
sha512	d031cfd70da4eb11cf766cc0b94ee615501b0c093b15faec1313882fbd4b9e08e86e7a99a5796a233cc91bfd25aaf5f37d016d86510cd177ea28d59f91502593
ripemd-160	4924d4d60546a4c9f2911d28058d2bf0f1545f8b

20120721 as geometric shapes

Circle

Radius = n

Diameter	40241442
Circumference	126422218.55706
Area	1.2718530938938E+15

Sphere

Radius = n

Volume	3.4120801673632E+22
Surface area	5.0874123755752E+15
Circumference	126422218.55706

Square

Length = n

Perimeter	80482884
Area	404843413559841
Diagonal	28454996.522925

Cube

Length = n

Surface area	2429060481359046
Volume	8.1457413729252E+21
Space diagonal	34850111.056918

Equilateral Triangle

Length = n

Perimeter	60362163
Area	1.7530234034882E+14
Altitude	17425055.528459

Triangular Pyramid

Length = n

Surface area	1.7530234034882E+14
Volume	9.5998482709787E+20
Height	9484998.840975