201231905 (number)

201231905 is an odd 9-digits composite number following 201231904 and preceding 201231906. In scientific notation, it is written as 2.01231905 × 10^8. The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors. There are 137864832 positive integers (up to 201231905) that are relatively prime to 201231905.

Interesting facts

Basic properties

Name

Name two hundred one million two hundred thirty-one thousand nine hundred five

Notation

Scientific notation 2.01231905 × 10^8
Engineering notation 2.01231905 × 10^6

Prime Factorization of 201231905

Prime Factorization 7 × 5 × 3449 × 1667

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 201231905
Product of the distinct prime numbers

The prime factorization of 201231905 is 7 × 5 × 3449 × 1667. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 201231905)

Multiplication

n×y
n×2 402463810
n×3 603695715
n×4 804927620
n×5 1006159525

Division

n÷y
n÷2 100615952.5
n÷3 67077301.666667
n÷3 50307976.25
n÷5 40246381

Exponentiation

ny
n2 40494279589929025
n3 8.148741023484E+24
n4 1.6397866795073E+33
n5 3.2997739731089E+41

Nth Root

y√n
2√n 14185.623179825
3√n 586.00179481254
4√n 119.10341380425
5√n 45.786702541189

Divisors of 201231905

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 -201231904
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 201231905 can be divided by 16 positive divisors. The sum of these divisors (counting 201231905) is 1, the average is 0.0625.

Base conversion 201231905

Base System Value
2 Binary 1011111111101000111000100001
3 Ternary 112000122122021112
4 Quaternary 23333220320201
5 Quinary 403003410110
6 Senary 31545033105
8 Octal 1377507041
10 Decimal 201231905
12 Duodecimal 57485795
16 Hexadecimal bfe8e21
20 Vigesimal 32hdjf5
36 Base36 3bt3j5

Cryptographic Hash Functions

md5 e3f7c83336e1cafe22bb3253b065eba4
sha1 03b6fbffb31f24399735371112b70a7689bc52dc
sha256 d2a72c9b0be7fe7bb055588178126dd16d2fb04b50720e4e45f0fe1cf78894bc
sha512 a9b44c7dac0da0deb94321c10d7242fd6baeb2520939d607ecb5417cd633c431bb7af1fe451baceb3b8da7e30dc22a1b114fb71b8521c8cc63985952d34f71ec
ripemd-160 d8f86830cad9afab8a1122db64aacb6db82cadbe

201231905 as geometric shapes

Circle

Radius = n
Diameter 402463810
Circumference 1264377348.8318
Area 1.2721653127213E+17

Sphere

Radius = n
Volume 3.4133366580511E+25
Surface area 5.0886612508853E+17
Circumference 1264377348.8318

Square

Length = n
Perimeter 804927620
Area 40494279589929025
Diagonal 284584889.23317

Cube

Length = n
Surface area 242965677539574150
Volume 8.148741023484E+24
Space diagonal 348543883.56387

Equilateral Triangle

Length = n
Perimeter 603695715
Area 1.7534537416414E+16
Altitude 174271941.78194

Triangular Pyramid

Length = n
Surface area 1.7534537416414E+16
Volume 9.6033833930643E+23
Height 94861629.744391