20016981 (number)

20016981 is an odd 8-digits composite number following 20016980 and preceding 20016982. In scientific notation, it is written as 2.0016981 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 13326696 positive integers (up to 20016981) that are relatively prime to 20016981.

Interesting facts

Basic properties

Name

Name twenty million sixteen thousand nine hundred eighty-one

Notation

Scientific notation 2.0016981 × 10^7
Engineering notation 2.0016981 × 10^6

Prime Factorization of 20016981

Prime Factorization 3 × 3 × 1367 × 1627

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 6672327
Product of the distinct prime numbers

The prime factorization of 20016981 is 3 × 3 × 1367 × 1627. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 5, 80, 93, 627, 935, 9878, 8419, 58132, 67758, 786384, 521076, 748985, 8484347, 56286117, 84145818, 752712916, 884008363, 5577276808, 5457352640

Basic calculations (n = 20016981)

Multiplication

n×y
n×2 40033962
n×3 60050943
n×4 80067924
n×5 100084905

Division

n÷y
n÷2 10008490.5
n÷3 6672327
n÷3 5004245.25
n÷5 4003396.2

Exponentiation

ny
n2 400679528354361
n3 8.0203945061582E+21
n4 1.6054408444227E+29
n5 3.2136078879434E+36

Nth Root

y√n
2√n 4474.0340856994
3√n 271.51856247026
4√n 66.888220829227
5√n 28.858896152377

Divisors of 20016981

1, 3, 9, 1367, 1627, 4101, 4881, 12303, 14643, 2224109, 6672327, 20016981

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 -20016980
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 20016981 can be divided by 12 positive divisors. The sum of these divisors (counting 20016981) is 1, the average is 0.083333333333333.

Base conversion 20016981

Base System Value
2 Binary 1001100010110111101010101
3 Ternary 1101122222010200
4 Quaternary 1030112331111
5 Quinary 20111020411
6 Senary 1553011113
8 Octal 114267525
10 Decimal 20016981
12 Duodecimal 6853a99
16 Hexadecimal 1316f55
20 Vigesimal 652291
36 Base36 bx179

Cryptographic Hash Functions

md5 b89c0abce3c34f4093aa839e0cf5e8b8
sha1 25e7667f10ab6daa9e0c7f82c06733b4bb1aa67e
sha256 ae927698a0eafc7a28db00c608557ccbb85c37cc272c29d3460eed2c359326ed
sha512 94528271afaa7495c67796b60cabc7d957f63733cc5040a67e5d18589bb68dbbdb7550c864590fdd6734e9ae5b82c38556cac262b9c3cbc7da57317c01e002d0
ripemd-160 8f39f48db31b3555cfd9b11a5ebe1844c655fec8

20016981 as geometric shapes

Circle

Radius = n
Diameter 40033962
Circumference 125770400.91329
Area 1.2587718627219E+15

Sphere

Radius = n
Volume 3.3595749945918E+22
Surface area 5.0350874508875E+15
Circumference 125770400.91329

Square

Length = n
Perimeter 80067924
Area 400679528354361
Diagonal 28308286.007965

Cube

Length = n
Surface area 2404077170126166
Volume 8.0203945061582E+21
Space diagonal 34670428.106141

Equilateral Triangle

Length = n
Perimeter 60050943
Area 1.7349932516562E+14
Altitude 17335214.05307

Triangular Pyramid

Length = n
Surface area 1.7349932516562E+14
Volume 9.4521255718263E+20
Height 9436095.3359882