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

168981 (number)

168981 is an odd 6-digits composite number following 168980 and preceding 168982. In scientific notation, it is written as 1.68981 × 10^5. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 102960 positive integers (up to 168981) that are relatively prime to 168981.

Interesting facts

168981 has 16 divisors, whose sum is 245760
The reverse of 168981 is 189861
Previous prime number is 31

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 33
Digital Root 6

Name

Name	one hundred sixty-eight thousand nine hundred eighty-one

Notation

Scientific notation	1.68981 × 10^5
Engineering notation	1.68981 × 10^3

Prime Factorization of 168981

Prime Factorization 23 × 3 × 31 × 79

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	168981	Product of the distinct prime numbers

The prime factorization of 168981 is 23 × 3 × 31 × 79. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 5, 68, 54, 288, 719, 1792, 6622, 10677, 79589, 128819, 720503, 3789145, 4507357, 33184047, 11667280, 581090105, 315515653, 2738387727, 3320349364

Basic calculations (n = 168981)

Multiplication

n×y

n×2	337962
n×3	506943
n×4	675924
n×5	844905

Division

n÷y

n÷2	84490.5
n÷3	56327
n÷3	42245.25
n÷5	33796.2

Exponentiation

n^y

n²	28554578361
n³	4825181206020141
n⁴	8.1536394537449E+20
n⁵	1.3778101485333E+26

Nth Root

^y√n

²√n	411.07298622021
³√n	55.285676131693
⁴√n	20.274934925178
⁵√n	11.10625332509

Divisors of 168981

1, 3, 23, 31, 69, 79, 93, 237, 713, 1817, 2139, 2449, 5451, 7347, 56327, 168981

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-168980	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 168981 can be divided by 16 positive divisors. The sum of these divisors (counting 168981) is 1, the average is 0.0625.

Base conversion 168981

Base	System	Value
2	Binary	101001010000010101
3	Ternary	22120210120
4	Quaternary	221100111
5	Quinary	20401411
6	Senary	3342153
8	Octal	512025
10	Decimal	168981
12	Duodecimal	81959
16	Hexadecimal	29415
20	Vigesimal	11291
36	Base36	3mdx

Cryptographic Hash Functions

md5	c407d9c89231a07642371a57e350d6c4
sha1	7c584af7dbc524ca032bf3cc9fc400c200ea4848
sha256	af0a690ed49fc6b57479aef2923ef42d3e515abb9d002ea3e31074c73ba70ed9
sha512	35a9698b6c3a9f5b63b1de09455a69e59cb4ddbeab37733927205253b8e7649580d0c7ebdfdf12156faec41eb35ced9e2575eaf31b16454dbf89e8a028c246ee
ripemd-160	3bb0e561321978fb9eae28d556f55de185692521

168981 as geometric shapes

Circle

Radius = n

Diameter	337962
Circumference	1061738.9363925
Area	89706853605.272

Sphere

Radius = n

Volume	2.0211671772097E+16
Surface area	358827414421.09
Circumference	1061738.9363925

Square

Length = n

Perimeter	675924
Area	28554578361
Diagonal	238975.22198337

Cube

Length = n

Surface area	171327470166
Volume	4825181206020141
Space diagonal	292683.6775138

Equilateral Triangle

Length = n

Perimeter	506943
Area	12364495127.49
Altitude	146341.8387569

Triangular Pyramid

Length = n

Surface area	12364495127.49
Volume	5.6865305853845E+14
Height	79658.407327789