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

20128021 (number)

20128021 is an odd 8-digits composite number following 20128020 and preceding 20128022. In scientific notation, it is written as 2.0128021 × 10^7. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 19478700 positive integers (up to 20128021) that are relatively prime to 20128021.

Interesting facts

20128021 has 4 divisors, whose sum is 20777344
The reverse of 20128021 is 12082102
Previous prime number is 31

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7

Name

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

Notation

Scientific notation	2.0128021 × 10^7
Engineering notation	2.0128021 × 10^6

Prime Factorization of 20128021

Prime Factorization 31 × 649291

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20128021	Product of the distinct prime numbers

The prime factorization of 20128021 is 31 × 649291. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 6, 21, 75, 631, 124, 5191, 1385, 3930, 33996, 725469, 319966, 3133167, 5509411, 20885006, 90711527, 710299506, 276631497, 7769999823, 9100503117

Basic calculations (n = 20128021)

Multiplication

n×y

n×2	40256042
n×3	60384063
n×4	80512084
n×5	100640105

Division

n÷y

n÷2	10064010.5
n÷3	6709340.3333333
n÷3	5032005.25
n÷5	4025604.2

Exponentiation

n^y

n²	405137229376441
n³	8.1546106607708E+21
n⁴	1.6413617462682E+29
n⁵	3.3037363697483E+36

Nth Root

^y√n

²√n	4486.4263060926
³√n	272.0197010312
⁴√n	66.980790575303
⁵√n	28.890843076894

Divisors of 20128021

1, 31, 649291, 20128021

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	-20128020	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 20128021 can be divided by 4 positive divisors. The sum of these divisors (counting 20128021) is 1, the average is 0.25.

Base conversion 20128021

Base	System	Value
2	Binary	1001100110010000100010101
3	Ternary	1101212121110021
4	Quaternary	1030302010111
5	Quinary	20123044041
6	Senary	1555225141
8	Octal	114620425
10	Decimal	20128021
12	Duodecimal	68a81b1
16	Hexadecimal	1332115
20	Vigesimal	65g011
36	Base36	bzevp

Cryptographic Hash Functions

md5	1ccae17584cd436b001b5a99944a5513
sha1	33f9bb649131784ab95efea79d5f9e5a84236ae8
sha256	58f6bea53dba939113a82729dc60f9d3bc6058fca329ce5cabc0c61ddb4db359
sha512	0b0e56d0073bbdc0d9d129a7a15cb1685e9b284e2975d5c5344448b5ce4812199d82714daaefa2a759b1787d0c1e837550fbb9e48838dcec240858928d1c7096
ripemd-160	4518f6798fc67996ba1c9f22fedf100e6e137fcb

20128021 as geometric shapes

Circle

Radius = n

Diameter	40256042
Circumference	126468085.8098
Area	1.2727761435048E+15

Sphere

Radius = n

Volume	3.4157953259683E+22
Surface area	5.091104574019E+15
Circumference	126468085.8098

Square

Length = n

Perimeter	80512084
Area	405137229376441
Diagonal	28465320.28193

Cube

Length = n

Surface area	2430823376258646
Volume	8.1546106607708E+21
Space diagonal	34862755.027813

Equilateral Triangle

Length = n

Perimeter	60384063
Area	1.7542956632942E+14
Altitude	17431377.513907

Triangular Pyramid

Length = n

Surface area	1.7542956632942E+14
Volume	9.6103008269453E+20
Height	9488440.0939768