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

20320981 (number)

20320981 is an odd 8-digits composite number following 20320980 and preceding 20320982. In scientific notation, it is written as 2.0320981 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 19896240 positive integers (up to 20320981) that are relatively prime to 20320981.

Interesting facts

20320981 has 8 divisors, whose sum is 20749824
The reverse of 20320981 is 18902302
Previous prime number is 157

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

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

Notation

Scientific notation	2.0320981 × 10^7
Engineering notation	2.0320981 × 10^6

Prime Factorization of 20320981

Prime Factorization 71 × 157 × 1823

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20320981	Product of the distinct prime numbers

The prime factorization of 20320981 is 71 × 157 × 1823. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 7, 75, 35, 190, 195, 9190, 8746, 9671, 73738, 794914, 996855, 5939670, 7067668, 3180422, 22960461, 794018876, 541189208, 1768327554, 4428710060

Basic calculations (n = 20320981)

Multiplication

n×y

n×2	40641962
n×3	60962943
n×4	81283924
n×5	101604905

Division

n÷y

n÷2	10160490.5
n÷3	6773660.3333333
n÷3	5080245.25
n÷5	4064196.2

Exponentiation

n^y

n²	412942268802361
n³	8.3913919984297E+21
n⁴	1.7052131736364E+29
n⁵	3.4651604502415E+36

Nth Root

^y√n

²√n	4507.8798786126
³√n	272.88618923756
⁴√n	67.14074678325
⁵√n	28.946025072985

Divisors of 20320981

1, 71, 157, 1823, 11147, 129433, 286211, 20320981

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	-20320980	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 20320981 can be divided by 8 positive divisors. The sum of these divisors (counting 20320981) is 1, the average is 0.125.

Base conversion 20320981

Base	System	Value
2	Binary	1001101100001001011010101
3	Ternary	1102020102010221
4	Quaternary	1031201023111
5	Quinary	20200232411
6	Senary	2003314341
8	Octal	115411325
10	Decimal	20320981
12	Duodecimal	697b9b1
16	Hexadecimal	13612d5
20	Vigesimal	670291
36	Base36	c3jrp

Cryptographic Hash Functions

md5	3abb25d4f29c31c69fc96742ce566f43
sha1	1cdf7fe28e183e6b3161c0e9a39e9d93330e8dad
sha256	6461a521af5d455d4fbca51373e3558f8a500e45f8e491222ab74d333dbbd897
sha512	eee726ea4348358bc4456b82adda02ba1b0e8094bd3da8498a6826bb852648bcce823e550d4a6fbd838001b5be059323502c35b7d2cff1be437599da65f09edc
ripemd-160	7ce71f31b8af61d711cca0f2e90f9bd0e3a42b6c

20320981 as geometric shapes

Circle

Radius = n

Diameter	40641962
Circumference	127680489.24668
Area	1.2972963980262E+15

Sphere

Radius = n

Volume	3.5149780607545E+22
Surface area	5.1891855921048E+15
Circumference	127680489.24668

Square

Length = n

Perimeter	81283924
Area	412942268802361
Diagonal	28738206.930926

Cube

Length = n

Surface area	2477653612814166
Volume	8.3913919984297E+21
Space diagonal	35196971.551642

Equilateral Triangle

Length = n

Perimeter	60962943
Area	1.7880924753961E+14
Altitude	17598485.775821

Triangular Pyramid

Length = n

Surface area	1.7880924753961E+14
Volume	9.8893503094736E+20
Height	9579402.3103087