201620781 (number)

201620781 is an odd 9-digits composite number following 201620780 and preceding 201620782. In scientific notation, it is written as 2.01620781 × 10^8. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 134200320 positive integers (up to 201620781) that are relatively prime to 201620781.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.01620781 × 10^8
Engineering notation 2.01620781 × 10^6

Prime Factorization of 201620781

Prime Factorization 3 × 3 × 641 × 34949

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 67206927
Product of the distinct prime numbers

The prime factorization of 201620781 is 3 × 3 × 641 × 34949. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 6, 64, 83, 127, 622, 2586, 3063, 58278, 59994, 919152, 193791, 6387288, 7665202, 1246379, 72962189, 428843491, 120475062, 7884574066, 6859552587

Basic calculations (n = 201620781)

Multiplication

n×y
n×2 403241562
n×3 604862343
n×4 806483124
n×5 1008103905

Division

n÷y
n÷2 100810390.5
n÷3 67206927
n÷3 50405195.25
n÷5 40324156.2

Exponentiation

ny
n2 40650939331049961
n3 8.1960741363099E+24
n4 1.6524988684967E+33
n5 3.3317811246792E+41

Nth Root

y√n
2√n 14199.323258522
3√n 586.37903022011
4√n 119.16091330013
5√n 45.80438522655

Divisors of 201620781

1, 3, 9, 641, 1923, 5769, 34949, 104847, 314541, 22402309, 67206927, 201620781

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 -201620780
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 201620781 can be divided by 12 positive divisors. The sum of these divisors (counting 201620781) is 1, the average is 0.083333333333333.

Base conversion 201620781

Base System Value
2 Binary 1100000001000111110100101101
3 Ternary 112001101101201100
4 Quaternary 30001013310231
5 Quinary 403103331111
6 Senary 32001233313
8 Octal 1401076455
10 Decimal 201620781
12 Duodecimal 57632839
16 Hexadecimal c047d2d
20 Vigesimal 3302bj1
36 Base36 3c1fl9

Cryptographic Hash Functions

md5 7fead75eda6544cf0167a59507adfe6c
sha1 57fa8be847b13eabeaa6b5a4d9651aa94a1d63e9
sha256 2fdf2a85dc5ef993bd48aab9a7287767abd8922e2d95c2cfa3bd03fd9f9303f7
sha512 4d052e1ca49916c99da090f6ff81b619bf2598ee0946090216e8d93d86b1fd1f0419e64728214409f6fd9f36d8bbb2d8fb769000e9f2d412b0d48dd766c2ed56
ripemd-160 d0da25d73ebc353f13a1f147d104589b98252f1d

201620781 as geometric shapes

Circle

Radius = n
Diameter 403241562
Circumference 1266820728.8013
Area 1.2770869236395E+17

Sphere

Radius = n
Volume 3.4331635059878E+25
Surface area 5.108347694558E+17
Circumference 1266820728.8013

Square

Length = n
Perimeter 806483124
Area 40650939331049961
Diagonal 285134842.94646

Cube

Length = n
Surface area 243905635986299766
Volume 8.1960741363099E+24
Space diagonal 349217436.55372

Equilateral Triangle

Length = n
Perimeter 604862343
Area 1.7602373074195E+16
Altitude 174608718.27686

Triangular Pyramid

Length = n
Surface area 1.7602373074195E+16
Volume 9.6591660014874E+23
Height 95044947.648819