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

20145021 (number)

20145021 is an odd 8-digits composite number following 20145020 and preceding 20145022. In scientific notation, it is written as 2.0145021 × 10^7. The sum of its digits is 15. It has a total of 2 prime factors and 4 positive divisors. There are 12396912 positive integers (up to 20145021) that are relatively prime to 20145021.

Interesting facts

20145021 has 4 divisors, whose sum is 20661600
The reverse of 20145021 is 12054102
Previous prime number is 39

Basic properties

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

Name

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

Notation

Scientific notation	2.0145021 × 10^7
Engineering notation	2.0145021 × 10^6

Prime Factorization of 20145021

Prime Factorization 39 × 516539

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20145021	Product of the distinct prime numbers

The prime factorization of 20145021 is 39 × 516539. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 1, 61, 33, 42, 539, 3273, 2367, 37332, 2791, 893644, 143756, 6310810, 775224, 95866203, 40004779, 516621834, 734148176, 3426966771, 5415918267

Basic calculations (n = 20145021)

Multiplication

n×y

n×2	40290042
n×3	60435063
n×4	80580084
n×5	100725105

Division

n÷y

n÷2	10072510.5
n÷3	6715007
n÷3	5036255.25
n÷5	4029004.2

Exponentiation

n^y

n²	405821871090441
n³	8.1752901153762E+21
n⁴	1.6469139105535E+29
n⁵	3.3177115313292E+36

Nth Root

^y√n

²√n	4488.3205099458
³√n	272.09626152422
⁴√n	66.994928986796
⁵√n	28.8957216339

Divisors of 20145021

1, 39, 516539, 20145021

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	-20145020	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 20145021 can be divided by 4 positive divisors. The sum of these divisors (counting 20145021) is 1, the average is 0.25.

Base conversion 20145021

Base	System	Value
2	Binary	1001100110110001101111101
3	Ternary	1101220110202220
4	Quaternary	1030312031331
5	Quinary	20124120041
6	Senary	1555435553
8	Octal	114661575
10	Decimal	20145021
12	Duodecimal	68b5bb9
16	Hexadecimal	133637d
20	Vigesimal	65i2b1
36	Base36	bzrzx

Cryptographic Hash Functions

md5	8b9472d37920c9b75c24ae262115281f
sha1	92a935d668be66e3a6b68b5e038cacd21d10876c
sha256	261e7413ba1d5a9f5dda1c869e6b21a349a1cf0657fe263e653424dd48f1dfae
sha512	148772703d199825696e025c94e0ff2506a5adbf1284422746cfdbaffdd1b06e139ed1b98f777d469d13bd6ecdcef31c8a0728ddfda1fdd552e2a83f846edcdf
ripemd-160	1f0b20bd93d1fe1c3e911643baef4fe24bb466a8

20145021 as geometric shapes

Circle

Radius = n

Diameter	40290042
Circumference	126574899.96002
Area	1.2749270088838E+15

Sphere

Radius = n

Volume	3.4244575156575E+22
Surface area	5.0997080355352E+15
Circumference	126574899.96002

Square

Length = n

Perimeter	80580084
Area	405821871090441
Diagonal	28489361.912491

Cube

Length = n

Surface area	2434931226542646
Volume	8.1752901153762E+21
Space diagonal	34892199.891542

Equilateral Triangle

Length = n

Perimeter	60435063
Area	1.7572602488783E+14
Altitude	17446099.945771

Triangular Pyramid

Length = n

Surface area	1.7572602488783E+14
Volume	9.6346717979165E+20
Height	9496453.9708303