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

20128913 (number)

20128913 is an odd 8-digits composite number following 20128912 and preceding 20128914. In scientific notation, it is written as 2.0128913 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 17225424 positive integers (up to 20128913) that are relatively prime to 20128913.

Interesting facts

20128913 has 8 divisors, whose sum is 23041728
The reverse of 20128913 is 31982102
Previous prime number is 733

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8

Name

Name	twenty million one hundred twenty-eight thousand nine hundred thirteen

Notation

Scientific notation	2.0128913 × 10^7
Engineering notation	2.0128913 × 10^6

Prime Factorization of 20128913

Prime Factorization 7 × 733 × 3923

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20128913	Product of the distinct prime numbers

The prime factorization of 20128913 is 7 × 733 × 3923. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 4, 62, 43, 460, 100, 6903, 6988, 29305, 41986, 483759, 38218, 1318959, 5872467, 76994781, 17268734, 431929175, 83834994, 6921646890, 5841615347

Basic calculations (n = 20128913)

Multiplication

n×y

n×2	40257826
n×3	60386739
n×4	80515652
n×5	100644565

Division

n÷y

n÷2	10064456.5
n÷3	6709637.6666667
n÷3	5032228.25
n÷5	4025782.6

Exponentiation

n^y

n²	405173138561569
n³	8.1556948560428E+21
n⁴	1.6416527221183E+29
n⁵	3.3044684819733E+36

Nth Root

^y√n

²√n	4486.5257159633
³√n	272.0237192767
⁴√n	66.981532648658
⁵√n	28.891099139576

Divisors of 20128913

1, 7, 733, 3923, 5131, 27461, 2875559, 20128913

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	-20128912	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 20128913 can be divided by 8 positive divisors. The sum of these divisors (counting 20128913) is 1, the average is 0.125.

Base conversion 20128913

Base	System	Value
2	Binary	1001100110010010010010001
3	Ternary	1101212122200022
4	Quaternary	1030302102101
5	Quinary	20123111123
6	Senary	1555233225
8	Octal	114622221
10	Decimal	20128913
12	Duodecimal	68a8815
16	Hexadecimal	1332491
20	Vigesimal	65g25d
36	Base36	bzfkh

Cryptographic Hash Functions

md5	be993847bfaaa62b5b737757ae8603ad
sha1	205cd8a4eb8788e45708dde999c7bfe5236a820b
sha256	a9b756800959c69483593a0e3d297546b154056cc153377bd4476463631d47f4
sha512	b913f87b3949eabc6f0096bc74287d9291bde7e16956e1819c4ae0c22b234388ab4b602cc2bc1424c2661231ee2d57f6a400b2df711b692f29df95b2c5fab258
ripemd-160	01e02b68dbf0524fcc3fe6e56355d784644b7864

20128913 as geometric shapes

Circle

Radius = n

Diameter	40257826
Circumference	126473690.4111
Area	1.2728889555369E+15

Sphere

Radius = n

Volume	3.4162494726219E+22
Surface area	5.0915558221478E+15
Circumference	126473690.4111

Square

Length = n

Perimeter	80515652
Area	405173138561569
Diagonal	28466581.760428

Cube

Length = n

Surface area	2431038831369414
Volume	8.1556948560428E+21
Space diagonal	34864300.017134

Equilateral Triangle

Length = n

Perimeter	60386739
Area	1.754451154627E+14
Altitude	17432150.008567

Triangular Pyramid

Length = n

Surface area	1.754451154627E+14
Volume	9.6115785633268E+20
Height	9488860.5868094