201805981 (number)

201805981 is an odd 9-digits composite number following 201805980 and preceding 201805982. In scientific notation, it is written as 2.01805981 × 10^8. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 186106800 positive integers (up to 201805981) that are relatively prime to 201805981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.01805981 × 10^8
Engineering notation 2.01805981 × 10^6

Prime Factorization of 201805981

Prime Factorization 13 × 13487 × 1151

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 201805981
Product of the distinct prime numbers

The prime factorization of 201805981 is 13 × 13487 × 1151. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 6, 81, 14, 731, 597, 2577, 9596, 84569, 71562, 84116, 265419, 4577525, 7308127, 63094276, 78555063, 9092300, 252582499, 7610365175, 1735890688

Basic calculations (n = 201805981)

Multiplication

n×y
n×2 403611962
n×3 605417943
n×4 807223924
n×5 1009029905

Division

n÷y
n÷2 100902990.5
n÷3 67268660.333333
n÷3 50451495.25
n÷5 40361196.2

Exponentiation

ny
n2 40725653967372361
n3 8.2186805507521E+24
n4 1.6585788910702E+33
n5 3.347111401783E+41

Nth Root

y√n
2√n 14205.843199191
3√n 586.55851595547
4√n 119.18826787562
5√n 45.812796916044

Divisors of 201805981

1, 13, 1151, 13487, 14963, 175331, 15523537, 201805981

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 -201805980
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 201805981 can be divided by 8 positive divisors. The sum of these divisors (counting 201805981) is 1, the average is 0.125.

Base conversion 201805981

Base System Value
2 Binary 1100000001110101000010011101
3 Ternary 112001201210202121
4 Quaternary 30001311002131
5 Quinary 403130242411
6 Senary 32005222541
8 Octal 1401650235
10 Decimal 201805981
12 Duodecimal 57701a51
16 Hexadecimal c07509d
20 Vigesimal 3315ej1
36 Base36 3c5ehp

Cryptographic Hash Functions

md5 b40fe6c1309915ecf4d29b2abed8b866
sha1 559947932464dbc21064daf5c63ec522e8d6bee9
sha256 6e895f6b373261b116698d567fec242123801fb8805c5c9a81cdaec9f2f09b30
sha512 87fda8fd12766fab5a75ac75e8ada742548674f2f1f8c41d9a463e207fc9925aa4d7454f337076111b68f28f639ffab0dab93966156e96034f9d7ad516edf4b1
ripemd-160 50071a554f62ab83b7154edc72cbdf0d60a2b88a

201805981 as geometric shapes

Circle

Radius = n
Diameter 403611962
Circumference 1267984374.7202
Area 1.2794341531654E+17

Sphere

Radius = n
Volume 3.4426328587259E+25
Surface area 5.1177366126615E+17
Circumference 1267984374.7202

Square

Length = n
Perimeter 807223924
Area 40725653967372361
Diagonal 285396755.29821

Cube

Length = n
Surface area 244353923804234166
Volume 8.2186805507521E+24
Space diagonal 349538212.36328

Equilateral Triangle

Length = n
Perimeter 605417943
Area 1.7634725460739E+16
Altitude 174769106.18164

Triangular Pyramid

Length = n
Surface area 1.7634725460739E+16
Volume 9.6858079164047E+23
Height 95132251.766069