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

20005981 (number)

20005981 is an odd 8-digits prime number following 20005980 and preceding 20005982. In scientific notation, it is written as 2.0005981 × 10^7. The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors. There are 20005980 positive integers (up to 20005981) that are relatively prime to 20005981.

Interesting facts

20005981 has 2 divisors, whose sum is 20005982
The reverse of 20005981 is 18950002
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	twenty million five thousand nine hundred eighty-one

Notation

Scientific notation	2.0005981 × 10^7
Engineering notation	2.0005981 × 10^6

Prime Factorization of 20005981

Prime Factorization 20005981

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	20005981	Product of the distinct prime numbers

The prime factorization of 20005981 is 20005981. Since it has a total of 1 prime factors.

Most popular turbo-numbers

7, 2, 67, 35, 241, 746, 3778, 2791, 84187, 95501, 464132, 966927, 9873439, 9889160, 41018555, 36487177, 431746038, 28992498, 8637366785, 8777181418

Basic calculations (n = 20005981)

Multiplication

n×y

n×2	40011962
n×3	60017943
n×4	80023924
n×5	100029905

Division

n÷y

n÷2	10002990.5
n÷3	6668660.3333333
n÷3	5001495.25
n÷5	4001196.2

Exponentiation

n^y

n²	400239275772361
n³	8.0071793465556E+21
n⁴	1.6019147787078E+29
n⁵	3.2047876626448E+36

Nth Root

^y√n

²√n	4472.8046011423
³√n	271.46881718229
⁴√n	66.879029606763
⁵√n	28.855723669374

Divisors of 20005981

1, 20005981

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	20005982	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10002991	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4472.804712929	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999000299	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20005981 can be divided by 2 positive divisors. The sum of these divisors (counting 20005981) is 20005982, the average is 10002991.

Base conversion 20005981

Base	System	Value
2	Binary	1001100010100010001011101
3	Ternary	1101122102001021
4	Quaternary	1030110101131
5	Quinary	20110142411
6	Senary	1552444141
8	Octal	114242135
10	Decimal	20005981
12	Duodecimal	6849651
16	Hexadecimal	131445d
20	Vigesimal	650ej1
36	Base36	bwspp

Cryptographic Hash Functions

md5	43ff353cb5308fa25accec7484f3b45d
sha1	3772f50ff3ce82079efb37ca35dd159e97dc13a3
sha256	8c25f199a167f2465bee8b39f3571d9c74db86dba9b79d5f4dca50825a0d519f
sha512	fd5e8e64534cb9bc0285b8d361d24f588a9312b22f3c7f7548007c8948c1ec16e6717dce2ba3e5c1ed19df8d708070b2bb0974ca537e8734d13a5c2e4f7be433
ripemd-160	ccb0f43e12c4e36706d311327afca1ff91e8416f

20005981 as geometric shapes

Circle

Radius = n

Diameter	40011962
Circumference	125701285.87491
Area	1.2573887684445E+15

Sphere

Radius = n

Volume	3.354039441482E+22
Surface area	5.0295550737782E+15
Circumference	125701285.87491

Square

Length = n

Perimeter	80023924
Area	400239275772361
Diagonal	28292729.658778

Cube

Length = n

Surface area	2401435654634166
Volume	8.0071793465556E+21
Space diagonal	34651375.547258

Equilateral Triangle

Length = n

Perimeter	60017943
Area	1.7330869020558E+14
Altitude	17325687.773629

Triangular Pyramid

Length = n

Surface area	1.7330869020558E+14
Volume	9.4365513568772E+20
Height	9430909.8862595