201991661 (number)

201991661 is an odd 9-digits composite number following 201991660 and preceding 201991662. In scientific notation, it is written as 2.01991661 × 10^8. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 201124512 positive integers (up to 201991661) that are relatively prime to 201991661.

Interesting facts

Basic properties

Name

Name two hundred one million nine hundred ninety-one thousand six hundred sixty-one

Notation

Scientific notation 2.01991661 × 10^8
Engineering notation 2.01991661 × 10^6

Prime Factorization of 201991661

Prime Factorization 233 × 866917

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 201991661
Product of the distinct prime numbers

The prime factorization of 201991661 is 233 × 866917. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 201991661)

Multiplication

n×y
n×2 403983322
n×3 605974983
n×4 807966644
n×5 1009958305

Division

n÷y
n÷2 100995830.5
n÷3 67330553.666667
n÷3 50497915.25
n÷5 40398332.2

Exponentiation

ny
n2 40800631113538921
n3 8.241387248472E+24
n4 1.6646914992631E+33
n5 3.3625380098873E+41

Nth Root

y√n
2√n 14212.377035528
3√n 586.73835667624
4√n 119.21567445402
5√n 45.821224209531

Divisors of 201991661

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -201991660
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 201991661 can be divided by 4 positive divisors. The sum of these divisors (counting 201991661) is 1, the average is 0.25.

Base conversion 201991661

Base System Value
2 Binary 1100000010100010010111101101
3 Ternary 112002002020110122
4 Quaternary 30002202113231
5 Quinary 403202213121
6 Senary 32013214325
8 Octal 1402422755
10 Decimal 201991661
12 Duodecimal 577913a5
16 Hexadecimal c0a25ed
20 Vigesimal 3328j31
36 Base36 3c9drh

Cryptographic Hash Functions

md5 5313f27f2e22c8892020d9cf7c599cd3
sha1 7080c9fbe51abe1f155e57d0e722e9e5fa79f302
sha256 78c79cb6040a65b6b60e504446b5bf9bcd05c2b01cf348afc6235626799c5309
sha512 2540a5d8d1be5b0cfe0cdd73bb483db8769140d7abec7f892adbc87415d6394214567c13f16c70691e0601ef07ad71d2d9a93a7669f83eeab64e22e1cef71417
ripemd-160 a7dd72c9e40db9602b445129d5426dc758053101

201991661 as geometric shapes

Circle

Radius = n
Diameter 403983322
Circumference 1269151036.568
Area 1.2817896296812E+17

Sphere

Radius = n
Volume 3.4521442180251E+25
Surface area 5.1271585187248E+17
Circumference 1269151036.568

Square

Length = n
Perimeter 807966644
Area 40800631113538921
Diagonal 285659346.47247

Cube

Length = n
Surface area 244803786681233526
Volume 8.241387248472E+24
Space diagonal 349859819.55723

Equilateral Triangle

Length = n
Perimeter 605974983
Area 1.7667191517381E+16
Altitude 174929909.77861

Triangular Pyramid

Length = n
Surface area 1.7667191517381E+16
Volume 9.7125680162982E+23
Height 95219782.15749