20121755 (number)

20121755 is an odd 8-digits composite number following 20121754 and preceding 20121756. In scientific notation, it is written as 2.0121755 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 15870400 positive integers (up to 20121755) that are relatively prime to 20121755.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand seven hundred fifty-five

Notation

Scientific notation 2.0121755 × 10^7
Engineering notation 2.0121755 × 10^6

Prime Factorization of 20121755

Prime Factorization 5 × 71 × 56681

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20121755
Product of the distinct prime numbers

The prime factorization of 20121755 is 5 × 71 × 56681. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121755)

Multiplication

n×y
n×2 40243510
n×3 60365265
n×4 80487020
n×5 100608775

Division

n÷y
n÷2 10060877.5
n÷3 6707251.6666667
n÷3 5030438.75
n÷5 4024351

Exponentiation

ny
n2 404885024280025
n3 8.1469972617317E+21
n4 1.6393188288624E+29
n5 3.2985971841255E+36

Nth Root

y√n
2√n 4485.7279230912
3√n 271.99147086145
4√n 66.975577064264
5√n 28.889044066755

Divisors of 20121755

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20121754
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121755 can be divided by 8 positive divisors. The sum of these divisors (counting 20121755) is 1, the average is 0.125.

Base conversion 20121755

Base System Value
2 Binary 1001100110000100010011011
3 Ternary 1101212021212012
4 Quaternary 1030300202123
5 Quinary 20122344010
6 Senary 1555140135
8 Octal 114604233
10 Decimal 20121755
12 Duodecimal 68a464b
16 Hexadecimal 133089b
20 Vigesimal 65f47f
36 Base36 bza1n

Cryptographic Hash Functions

md5 dbc448b7171a61d065287733bad7527b
sha1 75a4b314f25b8cf570274eae99ea069cf0fe348a
sha256 866b52d0d4246c6d3029f26bcc7f5d6e0356586c5aebc6fc122c975d20999491
sha512 e75692f2b2e26ec1c10c09c5922794af2e82aee458aa5f59dd6e57ae1d2df645cc98ec1a938e3db631043a6953fc2c79a1630d941deee41f75bab4aa104718af
ripemd-160 c6040fe039e2af7ed610b56d2cc94270f3070913

20121755 as geometric shapes

Circle

Radius = n
Diameter 40243510
Circumference 126428715.37067
Area 1.2719838178267E+15

Sphere

Radius = n
Volume 3.4126062328363E+22
Surface area 5.0879352713066E+15
Circumference 126428715.37067

Square

Length = n
Perimeter 80487020
Area 404885024280025
Diagonal 28456458.819749

Cube

Length = n
Surface area 2429310145680150
Volume 8.1469972617317E+21
Space diagonal 34851901.997453

Equilateral Triangle

Length = n
Perimeter 60365265
Area 1.7532035831919E+14
Altitude 17425950.998727

Triangular Pyramid

Length = n
Surface area 1.7532035831919E+14
Volume 9.6013283501312E+20
Height 9485486.2732495