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

20181001 (number)

20181001 is an odd 8-digits composite number following 20181000 and preceding 20181002. In scientific notation, it is written as 2.0181001 × 10^7. The sum of its digits is 13. It has a total of 3 prime factors and 8 positive divisors. There are 19689840 positive integers (up to 20181001) that are relatively prime to 20181001.

Interesting facts

20181001 has 8 divisors, whose sum is 20674944
The reverse of 20181001 is 10018102
Previous prime number is 821

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 13
Digital Root 4

Name

Name	twenty million one hundred eighty-one thousand one

Notation

Scientific notation	2.0181001 × 10^7
Engineering notation	2.0181001 × 10^6

Prime Factorization of 20181001

Prime Factorization 47 × 821 × 523

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20181001	Product of the distinct prime numbers

The prime factorization of 20181001 is 47 × 821 × 523. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 5, 96, 76, 227, 96, 4384, 44, 8596, 67903, 800361, 367518, 2591752, 1361223, 22576980, 67886297, 395546242, 429859995, 8429308192, 6152531976

Basic calculations (n = 20181001)

Multiplication

n×y

n×2	40362002
n×3	60543003
n×4	80724004
n×5	100905005

Division

n÷y

n÷2	10090500.5
n÷3	6727000.3333333
n÷3	5045250.25
n÷5	4036200.2

Exponentiation

n^y

n²	407272801362001
n³	8.2191728115593E+21
n⁴	1.6587113472925E+29
n⁵	3.3474455358422E+36

Nth Root

^y√n

²√n	4492.3269026196
³√n	272.25815762049
⁴√n	67.024823033109
⁵√n	28.906036104161

Divisors of 20181001

1, 47, 523, 821, 24581, 38587, 429383, 20181001

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	-20181000	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 20181001 can be divided by 8 positive divisors. The sum of these divisors (counting 20181001) is 1, the average is 0.125.

Base conversion 20181001

Base	System	Value
2	Binary	1001100111111000000001001
3	Ternary	1101222022010111
4	Quaternary	1030333000021
5	Quinary	20131243001
6	Senary	2000314321
8	Octal	114770011
10	Decimal	20181001
12	Duodecimal	69129a1
16	Hexadecimal	133f009
20	Vigesimal	662ca1
36	Base36	c0jrd

Cryptographic Hash Functions

md5	458b4a5ce4981e64349e252666fa60de
sha1	700a4857130e36c31d05cc76ada5d8758eca63cb
sha256	399aa0aaf61bb89d49382ebe68ae3e2779c41cba894860646d58cf538c9ca7b1
sha512	eaf359d91588e1321b14d0f8770fe704ab6b82c5b5354a4ab01fc5dd029161c93b251d6416718539702ff64c201cdbe8a9a9a23a960eced248e403923cccaf46
ripemd-160	e0a5a792447598048aeb2be043c4106674153fb7

20181001 as geometric shapes

Circle

Radius = n

Diameter	40362002
Circumference	126800968.96738
Area	1.2794852407658E+15

Sphere

Radius = n

Volume	3.4428390564506E+22
Surface area	5.1179409630632E+15
Circumference	126800968.96738

Square

Length = n

Perimeter	80724004
Area	407272801362001
Diagonal	28540245.316465

Cube

Length = n

Surface area	2443636808172006
Volume	8.2191728115593E+21
Space diagonal	34954519.079598

Equilateral Triangle

Length = n

Perimeter	60543003
Area	1.7635429612497E+14
Altitude	17477259.539799

Triangular Pyramid

Length = n

Surface area	1.7635429612497E+14
Volume	9.6863880513295E+20
Height	9513415.1054883