201661721 (number)

201661721 is an odd 9-digits composite number following 201661720 and preceding 201661722. In scientific notation, it is written as 2.01661721 × 10^8. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 199876992 positive integers (up to 201661721) that are relatively prime to 201661721.

Interesting facts

Basic properties

Name

Name two hundred one million six hundred sixty-one thousand seven hundred twenty-one

Notation

Scientific notation 2.01661721 × 10^8
Engineering notation 2.01661721 × 10^6

Prime Factorization of 201661721

Prime Factorization 113 × 1784617

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 201661721
Product of the distinct prime numbers

The prime factorization of 201661721 is 113 × 1784617. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 6, 82, 41, 172, 64, 2055, 2746, 72768, 48243, 483120, 134453, 3678299, 128722, 32695371, 31877520, 627857969, 758751165, 5150413905, 5950300190

Basic calculations (n = 201661721)

Multiplication

n×y
n×2 403323442
n×3 604985163
n×4 806646884
n×5 1008308605

Division

n÷y
n÷2 100830860.5
n÷3 67220573.666667
n÷3 50415430.25
n÷5 40332344.2

Exponentiation

ny
n2 40667449716681841
n3 8.201067898547E+24
n4 1.6538414664588E+33
n5 3.3351651638725E+41

Nth Root

y√n
2√n 14200.764803348
3√n 586.41871649434
4√n 119.16696187848
5√n 45.806245232479

Divisors of 201661721

1, 113, 1784617, 201661721

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 -201661720
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 201661721 can be divided by 4 positive divisors. The sum of these divisors (counting 201661721) is 1, the average is 0.25.

Base conversion 201661721

Base System Value
2 Binary 1100000001010001110100011001
3 Ternary 112001110110212122
4 Quaternary 30001101310121
5 Quinary 403111133341
6 Senary 32002151025
8 Octal 1401216431
10 Decimal 201661721
12 Duodecimal 57652475
16 Hexadecimal c051d19
20 Vigesimal 3307e61
36 Base36 3c2b6h

Cryptographic Hash Functions

md5 624eeef147090a2547e23471a04915e3
sha1 0e1c69b836f93dcae9827f781b2252078ee1563a
sha256 dbf7be21fdb496c228a15ac5da95d03ae953c69fae1c6ebf535906324dfe8c77
sha512 87bbdd11fca6bca9679d4f7de38af6bc389bd4fe795234b9f415ae8de1347c89d18506746a025bc0d2b36bf16a89294aa0ba3231373f5c5092b85755a639d63c
ripemd-160 9d2417253e0fd0e23e7513943996b09f38682cd7

201661721 as geometric shapes

Circle

Radius = n
Diameter 403323442
Circumference 1267077962.4077
Area 1.2776056127016E+17

Sphere

Radius = n
Volume 3.4352552882222E+25
Surface area 5.1104224508064E+17
Circumference 1267077962.4077

Square

Length = n
Perimeter 806646884
Area 40667449716681841
Diagonal 285192740.8497

Cube

Length = n
Surface area 244004698300091046
Volume 8.201067898547E+24
Space diagonal 349288346.71378

Equilateral Triangle

Length = n
Perimeter 604985163
Area 1.7609522280886E+16
Altitude 174644173.35689

Triangular Pyramid

Length = n
Surface area 1.7609522280886E+16
Volume 9.6650512067232E+23
Height 95064246.9499