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

201991 (number)

201991 is an odd 6-digits composite number following 201990 and preceding 201992. In scientific notation, it is written as 2.01991 × 10^5. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 199152 positive integers (up to 201991) that are relatively prime to 201991.

Interesting facts

201991 has 4 divisors, whose sum is 204832
The reverse of 201991 is 199102
Previous prime number is 73

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 22
Digital Root 4

Name

Name	two hundred one thousand nine hundred ninety-one

Notation

Scientific notation	2.01991 × 10^5
Engineering notation	2.01991 × 10^3

Prime Factorization of 201991

Prime Factorization 73 × 2767

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	201991	Product of the distinct prime numbers

The prime factorization of 201991 is 73 × 2767. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 2, 11, 32, 989, 303, 2540, 2930, 32854, 1989, 363246, 490648, 9663886, 146382, 51947602, 6572561, 566176418, 395783102, 1853162965, 7716774491

Basic calculations (n = 201991)

Multiplication

n×y

n×2	403982
n×3	605973
n×4	807964
n×5	1009955

Division

n÷y

n÷2	100995.5
n÷3	67330.333333333
n÷3	50497.75
n÷5	40398.2

Exponentiation

n^y

n²	40800364081
n³	8241306341085271
n⁴	1.6646697091422E+21
n⁵	3.3624829921933E+26

Nth Root

^y√n

²√n	449.43408860477
³√n	58.673771665894
⁴√n	21.199860579843
⁵√n	11.509763603755

Divisors of 201991

1, 73, 2767, 201991

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-201990	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 201991 can be divided by 4 positive divisors. The sum of these divisors (counting 201991) is 1, the average is 0.25.

Base conversion 201991

Base	System	Value
2	Binary	110001010100000111
3	Ternary	101021002011
4	Quaternary	301110013
5	Quinary	22430431
6	Senary	4155051
8	Octal	612407
10	Decimal	201991
12	Duodecimal	98a87
16	Hexadecimal	31507
20	Vigesimal	154jb
36	Base36	4buv

Cryptographic Hash Functions

md5	f27d62ef42e9f151cc49214b0ac12b42
sha1	6841342e4840912ea3448b10ae75ee54e848088b
sha256	bb990b9d4161a8c99ed6c48dbe49043ab1f3a66c38994115920439e02260fe61
sha512	806123d30898552647c8b661b25d4cfba2905d7b87276fb8853fea7a783a38747bb1472cbd5c9976c56761edaa0b642d14421b4683c8bb0eb21e17587f9cd388
ripemd-160	6e3c4c2e06d3128b3c3a815a2db39b5ae83bd0e2

201991 as geometric shapes

Circle

Radius = n

Diameter	403982
Circumference	1269146.8833825
Area	128178124060.66

Sphere

Radius = n

Volume	3.4521103276182E+16
Surface area	512712496242.63
Circumference	1269146.8833825

Square

Length = n

Perimeter	807964
Area	40800364081
Diagonal	285658.4116773

Cube

Length = n

Surface area	244802184486
Volume	8241306341085271
Space diagonal	349858.67467165

Equilateral Triangle

Length = n

Perimeter	605973
Area	17667075888.9
Altitude	174929.33733582

Triangular Pyramid

Length = n

Surface area	17667075888.9
Volume	9.7124726660285E+14
Height	95219.470559101