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

201981 (number)

201981 is an odd 6-digits composite number following 201980 and preceding 201982. In scientific notation, it is written as 2.01981 × 10^5. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 124272 positive integers (up to 201981) that are relatively prime to 201981.

Interesting facts

201981 has 8 divisors, whose sum is 290080
The reverse of 201981 is 189102
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 21
Digital Root 3

Name

Name	two hundred one thousand nine hundred eighty-one

Notation

Scientific notation	2.01981 × 10^5
Engineering notation	2.01981 × 10^3

Prime Factorization of 201981

Prime Factorization 3 × 13 × 5179

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	201981	Product of the distinct prime numbers

The prime factorization of 201981 is 3 × 13 × 5179. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 10, 86, 80, 348, 384, 5792, 3110, 84425, 7849, 730736, 82688, 6211631, 1613551, 48249476, 42337338, 377066773, 208671879, 3053056102, 8069886863

Basic calculations (n = 201981)

Multiplication

n×y

n×2	403962
n×3	605943
n×4	807924
n×5	1009905

Division

n÷y

n÷2	100990.5
n÷3	67327
n÷3	50495.25
n÷5	40396.2

Exponentiation

n^y

n²	40796324361
n³	8240082390759141
n⁴	1.6643400813679E+21
n⁵	3.3616507397477E+26

Nth Root

^y√n

²√n	449.42296336525
³√n	58.672803392721
⁴√n	21.199598188769
⁵√n	11.509649638365

Divisors of 201981

1, 3, 13, 39, 5179, 15537, 67327, 201981

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	-201980	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 201981 can be divided by 8 positive divisors. The sum of these divisors (counting 201981) is 1, the average is 0.125.

Base conversion 201981

Base	System	Value
2	Binary	110001010011111101
3	Ternary	101021001210
4	Quaternary	301103331
5	Quinary	22430411
6	Senary	4155033
8	Octal	612375
10	Decimal	201981
12	Duodecimal	98a79
16	Hexadecimal	314fd
20	Vigesimal	154j1
36	Base36	4bul

Cryptographic Hash Functions

md5	1d54b1b4b26ace337ba5ddb25cd914d8
sha1	85853a6ab111ae33444d6bfa6ffd5053d1dc95bb
sha256	438cd661ed1edeecdeef3c7f26e5dd998535b71e1df08156f5aa3013fe1fd619
sha512	6315469a9a0042fd6f401bce5c72a034a5ffbbaabbcd28e8e6df4272bb130df553b8c014a07e25b64ddb8a4b5885d877e3d699ca9e107feda005c3441ebcb777
ripemd-160	85c956ad7f135411e6335a2262d864863d81a649

201981 as geometric shapes

Circle

Radius = n

Diameter	403962
Circumference	1269084.0515294
Area	128165432905.98

Sphere

Radius = n

Volume	3.4515976405045E+16
Surface area	512661731623.94
Circumference	1269084.0515294

Square

Length = n

Perimeter	807924
Area	40796324361
Diagonal	285644.26954168

Cube

Length = n

Surface area	244777946166
Volume	8240082390759141
Space diagonal	349841.35416357

Equilateral Triangle

Length = n

Perimeter	605943
Area	17665326638.828
Altitude	174920.67708178

Triangular Pyramid

Length = n

Surface area	17665326638.828
Volume	9.7110302267361E+14
Height	95214.756513893