201909981 (number)

201909981 is an odd 9-digits composite number following 201909980 and preceding 201909982. In scientific notation, it is written as 2.01909981 × 10^8. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 106251264 positive integers (up to 201909981) that are relatively prime to 201909981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.01909981 × 10^8
Engineering notation 2.01909981 × 10^6

Prime Factorization of 201909981

Prime Factorization 39 × 7 × 1009 × 733

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 201909981
Product of the distinct prime numbers

The prime factorization of 201909981 is 39 × 7 × 1009 × 733. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 1, 12, 68, 721, 829, 2139, 3916, 25746, 89817, 798426, 423873, 3218568, 5652682, 12602852, 50854138, 24388326, 279242156, 8804144554, 7334784709

Basic calculations (n = 201909981)

Multiplication

n×y
n×2 403819962
n×3 605729943
n×4 807639924
n×5 1009549905

Division

n÷y
n÷2 100954990.5
n÷3 67303327
n÷3 50477495.25
n÷5 40381996.2

Exponentiation

ny
n2 40767640427420361
n3 8.2313935041153E+24
n4 1.6620005060194E+33
n5 3.3557449059238E+41

Nth Root

y√n
2√n 14209.503193286
3√n 586.65925893855
4√n 119.20362072222
5√n 45.817517835618

Divisors of 201909981

1, 7, 39, 273, 733, 1009, 5131, 7063, 28587, 39351, 200109, 275457, 739597, 5177179, 28844283, 201909981

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 -201909980
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 201909981 can be divided by 16 positive divisors. The sum of these divisors (counting 201909981) is 1, the average is 0.0625.

Base conversion 201909981

Base System Value
2 Binary 1100000010001110011011011101
3 Ternary 112001221002102110
4 Quaternary 30002032123131
5 Quinary 403142104411
6 Senary 32011344233
8 Octal 1402163335
10 Decimal 201909981
12 Duodecimal 57752079
16 Hexadecimal c08e6dd
20 Vigesimal 331iej1
36 Base36 3c7mql

Cryptographic Hash Functions

md5 f0af961a22734a70fd01acbc9079357c
sha1 2b7434e556bc4a62a3e02ed6738011df1a5e4ffa
sha256 7da8f17eb6ccb8dca285b29fce0c56d4a88f783f038da834828afa5bf1dd042e
sha512 f39df915e0e2055df91931301b2b8b41d8fea9ff6553378c6ec2bfc7cb85bf231270282c1f54bc2c5a03c7e2b3c1e1ab838b34c579b5c692f8bf80cac49d209c
ripemd-160 d388b1f8f2944e6f7c1d9c6c3600feb63850e721

201909981 as geometric shapes

Circle

Radius = n
Diameter 403819962
Circumference 1268637825.9921
Area 1.2807531967097E+17

Sphere

Radius = n
Volume 3.447958048178E+25
Surface area 5.123012786839E+17
Circumference 1268637825.9921

Square

Length = n
Perimeter 807639924
Area 40767640427420361
Diagonal 285543833.50869

Cube

Length = n
Surface area 244605842564522166
Volume 8.2313935041153E+24
Space diagonal 349718345.64727

Equilateral Triangle

Length = n
Perimeter 605729943
Area 1.7652906131248E+16
Altitude 174859172.82363

Triangular Pyramid

Length = n
Surface area 1.7652906131248E+16
Volume 9.7007902756247E+23
Height 95181277.836231