20121255 (number)

20121255 is an odd 8-digits composite number following 20121254 and preceding 20121256. In scientific notation, it is written as 2.0121255 × 10^7. The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors. There are 8360640 positive integers (up to 20121255) that are relatively prime to 20121255.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0121255 × 10^7
Engineering notation 2.0121255 × 10^6

Prime Factorization of 20121255

Prime Factorization 9 × 35 × 11 × 5807

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20121255
Product of the distinct prime numbers

The prime factorization of 20121255 is 9 × 35 × 11 × 5807. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 1, 13, 89, 482, 914, 7728, 7227, 85091, 61588, 352760, 48436, 7892676, 8010535, 64821176, 86304126, 845659887, 305149641, 6263837549, 7176154863

Basic calculations (n = 20121255)

Multiplication

n×y
n×2 40242510
n×3 60363765
n×4 80485020
n×5 100606275

Division

n÷y
n÷2 10060627.5
n÷3 6707085
n÷3 5030313.75
n÷5 4024251

Exponentiation

ny
n2 404864902775025
n3 8.1463899492865E+21
n4 1.6391558949903E+29
n5 3.2981873747853E+36

Nth Root

y√n
2√n 4485.6721904303
3√n 271.98921796217
4√n 66.975160995927
5√n 28.888900494133

Divisors of 20121255

1, 9, 11, 35, 99, 315, 385, 3465, 5807, 52263, 63877, 203245, 574893, 1829205, 2235695, 20121255

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20121254
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121255 can be divided by 16 positive divisors. The sum of these divisors (counting 20121255) is 1, the average is 0.0625.

Base conversion 20121255

Base System Value
2 Binary 1001100110000011010100111
3 Ternary 1101212021011200
4 Quaternary 1030300122213
5 Quinary 20122340010
6 Senary 1555133543
8 Octal 114603247
10 Decimal 20121255
12 Duodecimal 68a42b3
16 Hexadecimal 13306a7
20 Vigesimal 65f32f
36 Base36 bz9nr

Cryptographic Hash Functions

md5 b9f38903456e15d67b83a36023c56b2c
sha1 66e62327ac416bbfaebf48ac9e86acea13723e65
sha256 a8af81a2db1fb63d81957237ee0e45574d234b6d411d8a54d08d3916891a0955
sha512 0f321adff4684d9971606ca7721c0035584dd2e48bfc89ccfe91e695639fde69bb509e4a418d1a3ba974581672ea9934dd4a3c96a9d10c6af961f09c4d326db3
ripemd-160 1f28d8d70092eaf57e61276b047642a0d5efa849

20121255 as geometric shapes

Circle

Radius = n
Diameter 40242510
Circumference 126425573.77801
Area 1.2719206042544E+15

Sphere

Radius = n
Volume 3.4123518423942E+22
Surface area 5.0876824170175E+15
Circumference 126425573.77801

Square

Length = n
Perimeter 80485020
Area 404864902775025
Diagonal 28455751.712967

Cube

Length = n
Surface area 2429189416650150
Volume 8.1463899492865E+21
Space diagonal 34851035.972049

Equilateral Triangle

Length = n
Perimeter 60363765
Area 1.7531164545194E+14
Altitude 17425517.986025

Triangular Pyramid

Length = n
Surface area 1.7531164545194E+14
Volume 9.6006126255507E+20
Height 9485250.5709892