20121765 (number)

20121765 is an odd 8-digits composite number following 20121764 and preceding 20121766. In scientific notation, it is written as 2.0121765 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 10555200 positive integers (up to 20121765) that are relatively prime to 20121765.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0121765 × 10^7
Engineering notation 2.0121765 × 10^6

Prime Factorization of 20121765

Prime Factorization 183 × 5 × 21991

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20121765
Product of the distinct prime numbers

The prime factorization of 20121765 is 183 × 5 × 21991. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121765)

Multiplication

n×y
n×2 40243530
n×3 60365295
n×4 80487060
n×5 100608825

Division

n÷y
n÷2 10060882.5
n÷3 6707255
n÷3 5030441.25
n÷5 4024353

Exponentiation

ny
n2 404885426715225
n3 8.1470094082885E+21
n4 1.6393220876637E+29
n5 3.2986053807278E+36

Nth Root

y√n
2√n 4485.7290377373
3√n 271.99151591905
4√n 66.975585385552
5√n 28.889046938178

Divisors of 20121765

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 -20121764
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 20121765 can be divided by 8 positive divisors. The sum of these divisors (counting 20121765) is 1, the average is 0.125.

Base conversion 20121765

Base System Value
2 Binary 1001100110000100010100101
3 Ternary 1101212021212120
4 Quaternary 1030300202211
5 Quinary 20122344030
6 Senary 1555140153
8 Octal 114604245
10 Decimal 20121765
12 Duodecimal 68a4659
16 Hexadecimal 13308a5
20 Vigesimal 65f485
36 Base36 bza1x

Cryptographic Hash Functions

md5 dc9f8f3a0425f959f96540378c46933f
sha1 3d82c0b962ebb01e57495d4a424ebf692a22c0eb
sha256 442f341e4880194e7cd50471f94579169a9c77476830df5db3d1dbeb80817f81
sha512 7a1c5c2a770facd7986f336a495c4dc74c85c61004e7290a2074f121a710ca2efcb6ac2db1d969725e1f96ca983d553c9d39f2333a7af879bf8f32b3c31586ed
ripemd-160 4bac38ead3fe660ea6ecc77e94c17231e2ebed3e

20121765 as geometric shapes

Circle

Radius = n
Diameter 40243530
Circumference 126428778.20252
Area 1.2719850821141E+15

Sphere

Radius = n
Volume 3.4126113207741E+22
Surface area 5.0879403284565E+15
Circumference 126428778.20252

Square

Length = n
Perimeter 80487060
Area 404885426715225
Diagonal 28456472.961884

Cube

Length = n
Surface area 2429312560291350
Volume 8.1470094082885E+21
Space diagonal 34851919.317961

Equilateral Triangle

Length = n
Perimeter 60365295
Area 1.7532053257874E+14
Altitude 17425959.658981

Triangular Pyramid

Length = n
Surface area 1.7532053257874E+14
Volume 9.6013426649856E+20
Height 9485490.9872948