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

20125721 (number)

20125721 is an odd 8-digits composite number following 20125720 and preceding 20125722. In scientific notation, it is written as 2.0125721 × 10^7. The sum of its digits is 20. It has a total of 4 prime factors and 12 positive divisors. There are 15681960 positive integers (up to 20125721) that are relatively prime to 20125721.

Interesting facts

20125721 has 12 divisors, whose sum is 25540560
The reverse of 20125721 is 12752102
Previous prime number is 11

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2

Name

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

Notation

Scientific notation	2.0125721 × 10^7
Engineering notation	2.0125721 × 10^6

Prime Factorization of 20125721

Prime Factorization 7 × 7 × 11 × 37339

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	2875103	Product of the distinct prime numbers

The prime factorization of 20125721 is 7 × 7 × 11 × 37339. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 4, 15, 6, 219, 73, 6898, 4196, 68053, 49175, 471346, 202452, 6301189, 9019699, 52572559, 89562087, 879605428, 939912096, 5635230233, 6743951117

Basic calculations (n = 20125721)

Multiplication

n×y

n×2	40251442
n×3	60377163
n×4	80502884
n×5	100628605

Division

n÷y

n÷2	10062860.5
n÷3	6708573.6666667
n÷3	5031430.25
n÷5	4025144.2

Exponentiation

n^y

n²	405044645769841
n³	8.1518155333077E+21
n⁴	1.6406116506682E+29
n⁵	3.3018492350697E+36

Nth Root

^y√n

²√n	4486.1699700301
³√n	272.00933953658
⁴√n	66.978877043663
⁵√n	28.890182783699

Divisors of 20125721

1, 7, 11, 49, 77, 539, 37339, 261373, 410729, 1829611, 2875103, 20125721

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20125720	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20125721 can be divided by 12 positive divisors. The sum of these divisors (counting 20125721) is 1, the average is 0.083333333333333.

Base conversion 20125721

Base	System	Value
2	Binary	1001100110001100000011001
3	Ternary	1101212111022002
4	Quaternary	1030301200121
5	Quinary	20123010341
6	Senary	1555210345
8	Octal	114614031
10	Decimal	20125721
12	Duodecimal	68a69b5
16	Hexadecimal	1331819
20	Vigesimal	65fe61
36	Base36	bzd3t

Cryptographic Hash Functions

md5	64dd96c46a1d6238332a84b134a98b1b
sha1	efddcaa4526233eb5bfbe357d9d45e75fd32c6c0
sha256	0661b4714ef358edb8a5d2ba9777903099fc40b700a3d9952df1881021472ded
sha512	7c980423db9a7318552e6581dc4847e963bf6cb665ab50961d70023dc8dc5950b62a562448f04ec5b7668f96980400df56f6780c590fe77ff384f7fbac56067d
ripemd-160	442dddc62a48f6a50eb777e96631ca8b9d1e70f5

20125721 as geometric shapes

Circle

Radius = n

Diameter	40251442
Circumference	126453634.4836
Area	1.2724852835264E+15

Sphere

Radius = n

Volume	3.4146245057145E+22
Surface area	5.0899411341056E+15
Circumference	126453634.4836

Square

Length = n

Perimeter	80502884
Area	405044645769841
Diagonal	28462067.590737

Cube

Length = n

Surface area	2430267874619046
Volume	8.1518155333077E+21
Space diagonal	34858771.310956

Equilateral Triangle

Length = n

Perimeter	60377163
Area	1.7538947645178E+14
Altitude	17429385.655478

Triangular Pyramid

Length = n

Surface area	1.7538947645178E+14
Volume	9.6070067376395E+20
Height	9487355.863579