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

20128521 (number)

20128521 is an odd 8-digits composite number following 20128520 and preceding 20128522. In scientific notation, it is written as 2.0128521 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 11502000 positive integers (up to 20128521) that are relatively prime to 20128521.

Interesting facts

20128521 has 4 divisors, whose sum is 21087044
The reverse of 20128521 is 12582102
Previous prime number is 21

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3

Name

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

Notation

Scientific notation	2.0128521 × 10^7
Engineering notation	2.0128521 × 10^6

Prime Factorization of 20128521

Prime Factorization 21 × 958501

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20128521	Product of the distinct prime numbers

The prime factorization of 20128521 is 21 × 958501. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 5, 66, 54, 94, 968, 6133, 4917, 36249, 80457, 330542, 495247, 7052931, 4833648, 60854411, 12442550, 628985933, 914603781, 6348215265, 3875351377

Basic calculations (n = 20128521)

Multiplication

n×y

n×2	40257042
n×3	60385563
n×4	80514084
n×5	100642605

Division

n÷y

n÷2	10064260.5
n÷3	6709507
n÷3	5032130.25
n÷5	4025704.2

Exponentiation

n^y

n²	405157357647441
n³	8.155218381711E+21
n⁴	1.6415248445586E+29
n⁵	3.3041467305719E+36

Nth Root

^y√n

²√n	4486.4820293856
³√n	272.02195342559
⁴√n	66.981206538742
⁵√n	28.890986610906

Divisors of 20128521

1, 21, 958501, 20128521

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	-20128520	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 20128521 can be divided by 4 positive divisors. The sum of these divisors (counting 20128521) is 1, the average is 0.25.

Base conversion 20128521

Base	System	Value
2	Binary	1001100110010001100001001
3	Ternary	1101212122010210
4	Quaternary	1030302030021
5	Quinary	20123103041
6	Senary	1555231333
8	Octal	114621411
10	Decimal	20128521
12	Duodecimal	68a8549
16	Hexadecimal	1332309
20	Vigesimal	65g161
36	Base36	bzf9l

Cryptographic Hash Functions

md5	c92c679fc544510e32580080f5e83215
sha1	671d9eda3d4021f2c0970ae9afeec85feb69797e
sha256	d767c738fcc9a9c709e11e427e12815754047e196373e3661c790c329d20041f
sha512	a33bac71b0be5cb1da3c9316e12f00e06c42d45a825b6ae584ebaa5f1c8d662ba1e40b0a1b8a0ee4897f5585feaf95897f0507c997a7f52aba7d15f463988ffb
ripemd-160	3f943e078533f302f122a2131e5243c9df4a51c6

20128521 as geometric shapes

Circle

Radius = n

Diameter	40257042
Circumference	126471227.40246
Area	1.2728393783331E+15

Sphere

Radius = n

Volume	3.4160498875205E+22
Surface area	5.0913575133322E+15
Circumference	126471227.40246

Square

Length = n

Perimeter	80514084
Area	405157357647441
Diagonal	28466027.388712

Cube

Length = n

Surface area	2430944145884646
Volume	8.155218381711E+21
Space diagonal	34863621.053217

Equilateral Triangle

Length = n

Perimeter	60385563
Area	1.7543828212643E+14
Altitude	17431810.526609

Triangular Pyramid

Length = n

Surface area	1.7543828212643E+14
Volume	9.6110170329418E+20
Height	9488675.7962372