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

20081561 (number)

20081561 is an odd 8-digits prime number following 20081560 and preceding 20081562. In scientific notation, it is written as 2.0081561 × 10^7. The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors. There are 20081560 positive integers (up to 20081561) that are relatively prime to 20081561.

Interesting facts

20081561 has 2 divisors, whose sum is 20081562
The reverse of 20081561 is 16518002
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5

Name

Name	twenty million eighty-one thousand five hundred sixty-one

Notation

Scientific notation	2.0081561 × 10^7
Engineering notation	2.0081561 × 10^6

Prime Factorization of 20081561

Prime Factorization 20081561

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	20081561	Product of the distinct prime numbers

The prime factorization of 20081561 is 20081561. Since it has a total of 1 prime factors.

Most popular turbo-numbers

2, 2, 33, 20, 139, 708, 2714, 532, 62481, 38253, 595889, 876148, 6371482, 2687213, 45882400, 79760789, 880701311, 436792856, 8917224185, 2546369881

Basic calculations (n = 20081561)

Multiplication

n×y

n×2	40163122
n×3	60244683
n×4	80326244
n×5	100407805

Division

n÷y

n÷2	10040780.5
n÷3	6693853.6666667
n÷3	5020390.25
n÷5	4016312.2

Exponentiation

n^y

n²	403269092196721
n³	8.0982728743631E+21
n⁴	1.6262596072117E+29
n⁵	3.2657831504057E+36

Nth Root

^y√n

²√n	4481.2454741958
³√n	271.8102455726
⁴√n	66.94210539112
⁵√n	28.877493432718

Divisors of 20081561

1, 20081561

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	20081562	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10040781	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4481.2455857719	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999004062	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20081561 can be divided by 2 positive divisors. The sum of these divisors (counting 20081561) is 20081562, the average is 10040781.

Base conversion 20081561

Base	System	Value
2	Binary	1001100100110101110011001
3	Ternary	1101210020201112
4	Quaternary	1030212232121
5	Quinary	20120102221
6	Senary	1554230105
8	Octal	114465631
10	Decimal	20081561
12	Duodecimal	6885335
16	Hexadecimal	1326b99
20	Vigesimal	65a3i1
36	Base36	byf15

Cryptographic Hash Functions

md5	9870f9cbf25c34723d79862936ba46cf
sha1	70c5f68b8431e0d1589ad77c7c32cb8c9ea24474
sha256	e98a7829644638c3346bf515f8d26d9b567a9ea6e10d6bcc3d85a7c0e67dc2cb
sha512	db2a635e4c3355c83e69cf9658bb2739fa6ba70f70ea538466e94cf5607fc7fff8914f84fc5ffbecd8b82a1c69b20212dec15643935735da08488636f0c6aa4f
ripemd-160	3a4869f0ebe584c56af1c81cf91ef6391d924463

20081561 as geometric shapes

Circle

Radius = n

Diameter	40163122
Circumference	126176169.02043
Area	1.266907217465E+15

Sphere

Radius = n

Volume	3.3921966091819E+22
Surface area	5.0676288698602E+15
Circumference	126176169.02043

Square

Length = n

Perimeter	80326244
Area	403269092196721
Diagonal	28399615.919823

Cube

Length = n

Surface area	2419614553180326
Volume	8.0982728743631E+21
Space diagonal	34782283.947294

Equilateral Triangle

Length = n

Perimeter	60244683
Area	1.7462063920172E+14
Altitude	17391141.973647

Triangular Pyramid

Length = n

Surface area	1.7462063920172E+14
Volume	9.5439061089353E+20
Height	9466538.6399409