201990821 (number)

201990821 is an odd 9-digits composite number following 201990820 and preceding 201990822. In scientific notation, it is written as 2.01990821 × 10^8. The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors. There are 188534016 positive integers (up to 201990821) that are relatively prime to 201990821.

Interesting facts

Basic properties

Name

Name two hundred one million nine hundred ninety thousand eight hundred twenty-one

Notation

Scientific notation 2.01990821 × 10^8
Engineering notation 2.01990821 × 10^6

Prime Factorization of 201990821

Prime Factorization 17 × 173 × 397 × 173

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1167577
Product of the distinct prime numbers

The prime factorization of 201990821 is 17 × 173 × 397 × 173. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 4, 92, 77, 223, 459, 6360, 2022, 78505, 91335, 385756, 803433, 6770205, 3353331, 29513604, 11775960, 704433667, 578096429, 2013026785, 6255664241

Basic calculations (n = 201990821)

Multiplication

n×y
n×2 403981642
n×3 605972463
n×4 807963284
n×5 1009954105

Division

n÷y
n÷2 100995410.5
n÷3 67330273.666667
n÷3 50497705.25
n÷5 40398164.2

Exponentiation

ny
n2 40800291768254041
n3 8.2412844313092E+24
n4 1.6646638083747E+33
n5 3.3624680934258E+41

Nth Root

y√n
2√n 14212.34748379
3√n 586.73754334085
4√n 119.21555051163
5√n 45.821186099154

Divisors of 201990821

1, 17, 173, 397, 2941, 6749, 29929, 68681, 508793, 1167577, 11881813, 201990821

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -201990820
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 201990821 can be divided by 12 positive divisors. The sum of these divisors (counting 201990821) is 1, the average is 0.083333333333333.

Base conversion 201990821

Base System Value
2 Binary 1100000010100010001010100101
3 Ternary 112002002012022112
4 Quaternary 30002202022211
5 Quinary 403202201241
6 Senary 32013210405
8 Octal 1402421245
10 Decimal 201990821
12 Duodecimal 57790a05
16 Hexadecimal c0a22a5
20 Vigesimal 3328h11
36 Base36 3c9d45

Cryptographic Hash Functions

md5 a76799d5a5791ad6462aa241f244f2e5
sha1 8e34a774c53783ea0db17417aae8139d1f9e20a5
sha256 b0ee78cbc0ed242e097611b2906807c914c93cb28f5a02516da7135d1c9ffbc0
sha512 b0086fddfbf0958e333a2b84ffc696acd74d6c59a1823c4144b2dacff39169aead4221b4002a52032198be6023d1efef051e36b7e4bbfee827928a52012e3c17
ripemd-160 ddd3e8379ae509dec3389cbbf634dbccd66bf3f9

201990821 as geometric shapes

Circle

Radius = n
Diameter 403981642
Circumference 1269145758.6923
Area 1.2817789688347E+17

Sphere

Radius = n
Volume 3.4521011500726E+25
Surface area 5.1271158753387E+17
Circumference 1269145758.6923

Square

Length = n
Perimeter 807963284
Area 40800291768254041
Diagonal 285658158.53308

Cube

Length = n
Surface area 244801750609524246
Volume 8.2412844313092E+24
Space diagonal 349858364.63455

Equilateral Triangle

Length = n
Perimeter 605972463
Area 1.7667044576563E+16
Altitude 174929182.31728

Triangular Pyramid

Length = n
Surface area 1.7667044576563E+16
Volume 9.7124468451097E+23
Height 95219386.177692