201985 (number)

201985 is an odd 6-digits composite number following 201984 and preceding 201986. In scientific notation, it is written as 2.01985 × 10^5. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 133056 positive integers (up to 201985) that are relatively prime to 201985.

Interesting facts

Basic properties

Name

Name two hundred one thousand nine hundred eighty-five

Notation

Scientific notation 2.01985 × 10^5
Engineering notation 2.01985 × 10^3

Prime Factorization of 201985

Prime Factorization 5 × 7 × 29 × 199

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 201985
Product of the distinct prime numbers

The prime factorization of 201985 is 5 × 7 × 29 × 199. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 201985)

Multiplication

n×y
n×2 403970
n×3 605955
n×4 807940
n×5 1009925

Division

n÷y
n÷2 100992.5
n÷3 67328.333333333
n÷3 50496.25
n÷5 40397

Exponentiation

ny
n2 40797940225
n3 8240571956346625
n4 1.6644719266027E+21
n5 3.3619836209484E+26

Nth Root

y√n
2√n 449.4274134941
3√n 58.673190705825
4√n 21.199703146367
5√n 11.509695225062

Divisors of 201985

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 -201984
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 201985 can be divided by 16 positive divisors. The sum of these divisors (counting 201985) is 1, the average is 0.0625.

Base conversion 201985

Base System Value
2 Binary 110001010100000001
3 Ternary 101021001221
4 Quaternary 301110001
5 Quinary 22430420
6 Senary 4155041
8 Octal 612401
10 Decimal 201985
12 Duodecimal 98a81
16 Hexadecimal 31501
20 Vigesimal 154j5
36 Base36 4bup

Cryptographic Hash Functions

md5 4cd642a4b60792d32105782f878def56
sha1 e0fa01afa12f3ccb894f33b2d4839363ee2019f0
sha256 adb2e3216d5d5de584752eee1ee60cda8f6264e7b94c2a5556bce26dc0300c05
sha512 501b2a37b145efe0722a86bab91d1e08b6a1037c8a5c6b59b747a1948c046fae419ba127527511cdf63be62cbe972f66f0fcbf9575763d7c09bb706672238481
ripemd-160 d067bc41956450ce3dd34a2bde88313f5b448750

201985 as geometric shapes

Circle

Radius = n
Diameter 403970
Circumference 1269109.1842707
Area 128170509292.46

Sphere

Radius = n
Volume 3.4518027092582E+16
Surface area 512682037169.82
Circumference 1269109.1842707

Square

Length = n
Perimeter 807940
Area 40797940225
Diagonal 285649.92639593

Cube

Length = n
Surface area 244787641350
Volume 8240571956346625
Space diagonal 349848.2823668

Equilateral Triangle

Length = n
Perimeter 605955
Area 17666026328.465
Altitude 174924.1411834

Triangular Pyramid

Length = n
Surface area 17666026328.465
Volume 9.711607185314E+14
Height 95216.642131977