20121355 (number)

20121355 is an odd 8-digits composite number following 20121354 and preceding 20121356. In scientific notation, it is written as 2.0121355 × 10^7. The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors. There are 15876288 positive integers (up to 20121355) that are relatively prime to 20121355.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0121355 × 10^7
Engineering notation 2.0121355 × 10^6

Prime Factorization of 20121355

Prime Factorization 5 × 73 × 55127

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20121355
Product of the distinct prime numbers

The prime factorization of 20121355 is 5 × 73 × 55127. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121355)

Multiplication

n×y
n×2 40242710
n×3 60364065
n×4 80485420
n×5 100606775

Division

n÷y
n÷2 10060677.5
n÷3 6707118.3333333
n÷3 5030338.75
n÷5 4024271

Exponentiation

ny
n2 404868927036025
n3 8.146511409361E+21
n4 1.639188480793E+29
n5 3.2982693333947E+36

Nth Root

y√n
2√n 4485.6833370179
3√n 271.98966854501
4√n 66.975244210215
5√n 28.888929208886

Divisors of 20121355

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 -20121354
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 20121355 can be divided by 8 positive divisors. The sum of these divisors (counting 20121355) is 1, the average is 0.125.

Base conversion 20121355

Base System Value
2 Binary 1001100110000011100001011
3 Ternary 1101212021022101
4 Quaternary 1030300130023
5 Quinary 20122340410
6 Senary 1555134231
8 Octal 114603413
10 Decimal 20121355
12 Duodecimal 68a4377
16 Hexadecimal 133070b
20 Vigesimal 65f37f
36 Base36 bz9qj

Cryptographic Hash Functions

md5 e40dd7c2659562e3671d7f91258170bd
sha1 f35b1a535ace93b3326efcdb25f2f55ad24ebe63
sha256 001ee16978f7e1d1696f27ee3ec04dfaf8a3a3dd6a5150bd8bb98527645349f5
sha512 f7eceb395ce99edf78ff22bd2f0daf0df000ca7f64eab454dc6bd9cf4785aaecbc941df32b05c43ed44eaf352a53eae08be9857b4ae68ab7b1282b661964c23b
ripemd-160 5b14b174a89e1045a07a253d470c00d148afd862

20121355 as geometric shapes

Circle

Radius = n
Diameter 40242710
Circumference 126426202.09654
Area 1.2719332468432E+15

Sphere

Radius = n
Volume 3.4124027194712E+22
Surface area 5.0877329873726E+15
Circumference 126426202.09654

Square

Length = n
Perimeter 80485420
Area 404868927036025
Diagonal 28455893.134324

Cube

Length = n
Surface area 2429213562216150
Volume 8.146511409361E+21
Space diagonal 34851209.17713

Equilateral Triangle

Length = n
Perimeter 60364065
Area 1.7531338800807E+14
Altitude 17425604.588565

Triangular Pyramid

Length = n
Surface area 1.7531338800807E+14
Volume 9.6007557676212E+20
Height 9485297.7114412