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

20179981 (number)

20179981 is an odd 8-digits prime number following 20179980 and preceding 20179982. In scientific notation, it is written as 2.0179981 × 10^7. The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors. There are 20179980 positive integers (up to 20179981) that are relatively prime to 20179981.

Interesting facts

20179981 has 2 divisors, whose sum is 20179982
The reverse of 20179981 is 18997102
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	twenty million one hundred seventy-nine thousand nine hundred eighty-one

Notation

Scientific notation	2.0179981 × 10^7
Engineering notation	2.0179981 × 10^6

Prime Factorization of 20179981

Prime Factorization 20179981

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	20179981	Product of the distinct prime numbers

The prime factorization of 20179981 is 20179981. Since it has a total of 1 prime factors.

Most popular turbo-numbers

4, 8, 55, 89, 499, 107, 7706, 2595, 92865, 40058, 482196, 468894, 2798824, 4315796, 14939946, 72186769, 217814849, 224611149, 4507298453, 5148652000

Basic calculations (n = 20179981)

Multiplication

n×y

n×2	40359962
n×3	60539943
n×4	80719924
n×5	100899905

Division

n÷y

n÷2	10089990.5
n÷3	6726660.3333333
n÷3	5044995.25
n÷5	4035996.2

Exponentiation

n^y

n²	407231633160361
n³	8.2179266197751E+21
n⁴	1.6583760304645E+29
n⁵	3.346599678563E+36

Nth Root

^y√n

²√n	4492.2133742733
³√n	272.253570666
⁴√n	67.023976115069
⁵√n	28.905743901084

Divisors of 20179981

1, 20179981

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	20179982	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10089991	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4492.213485577	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999008919	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20179981 can be divided by 2 positive divisors. The sum of these divisors (counting 20179981) is 20179982, the average is 10089991.

Base conversion 20179981

Base	System	Value
2	Binary	1001100111110110000001101
3	Ternary	1101222020201201
4	Quaternary	1030332300031
5	Quinary	20131224411
6	Senary	2000305501
8	Octal	114766015
10	Decimal	20179981
12	Duodecimal	6912291
16	Hexadecimal	133ec0d
20	Vigesimal	6629j1
36	Base36	c0iz1

Cryptographic Hash Functions

md5	470020a5cc5beaf8ef64341eb794680f
sha1	eeb1313561b229808add029a50e5585dcd8a217b
sha256	06a08581a6c1ac174e1541d8fe97f2a41de4a91328ace6b7d89479839cddd342
sha512	dc697d01a2880dc0b0ee31036a8b6b1ef3050cf95eed34d8515f7403aebafa6dd672a32e22e3b20d8a6e936c3d47ccfad28b0cbe90886f1beed435893319b2a9
ripemd-160	bfa7606aa66fb20260ad8ac626ab2f92118a3d7f

20179981 as geometric shapes

Circle

Radius = n

Diameter	40359962
Circumference	126794560.11836
Area	1.279355907046E+15

Sphere

Radius = n

Volume	3.4423170528567E+22
Surface area	5.1174236281839E+15
Circumference	126794560.11836

Square

Length = n

Perimeter	80719924
Area	407231633160361
Diagonal	28538802.818631

Cube

Length = n

Surface area	2443389798962166
Volume	8.2179266197751E+21
Space diagonal	34952752.387775

Equilateral Triangle

Length = n

Perimeter	60539943
Area	1.7633646977075E+14
Altitude	17476376.193887

Triangular Pyramid

Length = n

Surface area	1.7633646977075E+14
Volume	9.6849194002273E+20
Height	9512934.2728771