20121790 (number)

20121790 is an even 8-digits composite number following 20121789 and preceding 20121791. In scientific notation, it is written as 2.0121790 × 10^7. The sum of its digits is 22. It has a total of 5 prime factors and 32 positive divisors. There are 7188480 positive integers (up to 20121790) that are relatively prime to 20121790.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand seven hundred ninety

Notation

Scientific notation 2.0121790 × 10^7
Engineering notation 2.0121790 × 10^6

Prime Factorization of 20121790

Prime Factorization 2 × 5 × 13 × 31 × 4993

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20121790
Product of the distinct prime numbers

The prime factorization of 20121790 is 2 × 5 × 13 × 31 × 4993. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 5, 31, 75, 973, 612, 3275, 5619, 10885, 52640, 573965, 128668, 9469642, 8761537, 41132462, 31492530, 119569910, 499897352, 8437814699, 4140236549

Basic calculations (n = 20121790)

Multiplication

n×y
n×2 40243580
n×3 60365370
n×4 80487160
n×5 100608950

Division

n÷y
n÷2 10060895
n÷3 6707263.3333333
n÷3 5030447.5
n÷5 4024358

Exponentiation

ny
n2 404886432804100
n3 8.1470397747332E+21
n4 1.6393302346883E+29
n5 3.2986258723048E+36

Nth Root

y√n
2√n 4485.7318243515
3√n 271.991628563
4√n 66.975606188757
5√n 28.889054116731

Divisors of 20121790

1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 4993, 9986, 24965, 49930, 64909, 129818, 154783, 309566, 324545, 649090, 773915, 1547830, 2012179, 4024358, 10060895, 20121790

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20121789
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121790 can be divided by 32 positive divisors. The sum of these divisors (counting 20121790) is 1, the average is 0.03125.

Base conversion 20121790

Base System Value
2 Binary 1001100110000100010111110
3 Ternary 1101212021220111
4 Quaternary 1030300202332
5 Quinary 20122344130
6 Senary 1555140234
8 Octal 114604276
10 Decimal 20121790
12 Duodecimal 68a467a
16 Hexadecimal 13308be
20 Vigesimal 65f49a
36 Base36 bza2m

Cryptographic Hash Functions

md5 610085d9ce649be0e6ccc529a7605e42
sha1 e92ae36095942fd8d48b5607c0c54cbbe4c23d5d
sha256 bbc48fccc85a5e04620cbdf93d2377f9c02d43242261ee5f2a2bb3ab418a58bd
sha512 14b7b31a821c0c28b3a9d29aa5ba25254e8e98700c1f1c8e045ecd1fbd42f77f69d38bfb9fded311d92c670c102f44b01ddf09ba3a6b6c4c1fea2a8e8f8f98cb
ripemd-160 2f8e62d636185f1ca4e6a0b763dfc5878c3091ff

20121790 as geometric shapes

Circle

Radius = n
Diameter 40243580
Circumference 126428935.28215
Area 1.2719882428355E+15

Sphere

Radius = n
Volume 3.4126240406408E+22
Surface area 5.0879529713422E+15
Circumference 126428935.28215

Square

Length = n
Perimeter 80487160
Area 404886432804100
Diagonal 28456508.317223

Cube

Length = n
Surface area 2429318596824600
Volume 8.1470397747332E+21
Space diagonal 34851962.619231

Equilateral Triangle

Length = n
Perimeter 60365370
Area 1.7532096822801E+14
Altitude 17425981.309616

Triangular Pyramid

Length = n
Surface area 1.7532096822801E+14
Volume 9.601378452184E+20
Height 9485502.7724078