201855981 (number)

201855981 is an odd 9-digits composite number following 201855980 and preceding 201855982. In scientific notation, it is written as 2.01855981 × 10^8. The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors. There are 120339648 positive integers (up to 201855981) that are relatively prime to 201855981.

Interesting facts

Basic properties

Name

Name two hundred one million eight hundred fifty-five thousand nine hundred eighty-one

Notation

Scientific notation 2.01855981 × 10^8
Engineering notation 2.01855981 × 10^6

Prime Factorization of 201855981

Prime Factorization 3 × 23 × 19 × 79 × 1949

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 201855981
Product of the distinct prime numbers

The prime factorization of 201855981 is 3 × 23 × 19 × 79 × 1949. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 201855981)

Multiplication

n×y
n×2 403711962
n×3 605567943
n×4 807423924
n×5 1009279905

Division

n÷y
n÷2 100927990.5
n÷3 67285327
n÷3 50463995.25
n÷5 40371196.2

Exponentiation

ny
n2 40745837065472361
n3 8.2247909125171E+24
n4 1.660223238166E+33
n5 3.35125990419E+41

Nth Root

y√n
2√n 14207.602929418
3√n 586.60695440092
4√n 119.19564979234
5√n 45.815066831786

Divisors of 201855981

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -201855980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 201855981 can be divided by 32 positive divisors. The sum of these divisors (counting 201855981) is 1, the average is 0.03125.

Base conversion 201855981

Base System Value
2 Binary 1100000010000001001111101101
3 Ternary 112001211100100110
4 Quaternary 30002001033231
5 Quinary 403133342411
6 Senary 32010250233
8 Octal 1402011755
10 Decimal 201855981
12 Duodecimal 57726979
16 Hexadecimal c0813ed
20 Vigesimal 331bjj1
36 Base36 3c6h2l

Cryptographic Hash Functions

md5 a12bc65811090f5f84ee818b79dc2f7b
sha1 14fa84ee4de83d8929c7464359f64acc73b27c2d
sha256 a1b030891c8915ec9306d76328b849b44763fa83562de750290c06dee9529fdb
sha512 d2733ff813315960ae3971cc635d5d1a3d7b1f2cda60b80e19ee26b48ee3b60c9c6f483616788da6b0d554ff1fcd7e62b75666d9fbfa47f974c328b662c13fd8
ripemd-160 e31d4b329f8a045964803562e2d8dcdb15ca0d39

201855981 as geometric shapes

Circle

Radius = n
Diameter 403711962
Circumference 1268298533.9855
Area 1.2800682238925E+17

Sphere

Radius = n
Volume 3.4451923610768E+25
Surface area 5.1202728955702E+17
Circumference 1268298533.9855

Square

Length = n
Perimeter 807423924
Area 40745837065472361
Diagonal 285467465.97633

Cube

Length = n
Surface area 244475022392834166
Volume 8.2247909125171E+24
Space diagonal 349624814.90366

Equilateral Triangle

Length = n
Perimeter 605567943
Area 1.764346499858E+16
Altitude 174812407.45183

Triangular Pyramid

Length = n
Surface area 1.764346499858E+16
Volume 9.6930090468039E+23
Height 95155821.992109