20121345 (number)

20121345 is an odd 8-digits composite number following 20121344 and preceding 20121346. In scientific notation, it is written as 2.0121345 × 10^7. The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors. There are 10628352 positive integers (up to 20121345) that are relatively prime to 20121345.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0121345 × 10^7
Engineering notation 2.0121345 × 10^6

Prime Factorization of 20121345

Prime Factorization 135 × 1319 × 113

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20121345
Product of the distinct prime numbers

The prime factorization of 20121345 is 135 × 1319 × 113. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121345)

Multiplication

n×y
n×2 40242690
n×3 60364035
n×4 80485380
n×5 100606725

Division

n÷y
n÷2 10060672.5
n÷3 6707115
n÷3 5030336.25
n÷5 4024269

Exponentiation

ny
n2 404868524609025
n3 8.1464992632992E+21
n4 1.6391852221909E+29
n5 3.2982611374604E+36

Nth Root

y√n
2√n 4485.6822223604
3√n 271.98962348679
4√n 66.9752358888
5√n 28.888926337415

Divisors of 20121345

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 -20121344
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 20121345 can be divided by 8 positive divisors. The sum of these divisors (counting 20121345) is 1, the average is 0.125.

Base conversion 20121345

Base System Value
2 Binary 1001100110000011100000001
3 Ternary 1101212021022000
4 Quaternary 1030300130001
5 Quinary 20122340340
6 Senary 1555134213
8 Octal 114603401
10 Decimal 20121345
12 Duodecimal 68a4369
16 Hexadecimal 1330701
20 Vigesimal 65f375
36 Base36 bz9q9

Cryptographic Hash Functions

md5 3fc1f325ae7d5b52eeb2c30428f4108c
sha1 0dfdcff2b2458b9b809a3670f8f157ad19091474
sha256 0603d9591e3ee33cabebec7d88ca603d426ae0185910f52e2330bdae0c941a11
sha512 6dde6884c46d4bddd25f09ae24e331a45fc3a8760245ca7f7c35a8d78ff354a2e835d7e0c577f7c3d70541c6f9ce5028bfc404d15a80dfb77dc530fafb35f7b6
ripemd-160 892b0df1184ffaabd61f1c593b5b6f8484c09737

20121345 as geometric shapes

Circle

Radius = n
Diameter 40242690
Circumference 126426139.26469
Area 1.2719319825815E+15

Sphere

Radius = n
Volume 3.4123976317407E+22
Surface area 5.0877279303258E+15
Circumference 126426139.26469

Square

Length = n
Perimeter 80485380
Area 404868524609025
Diagonal 28455878.992188

Cube

Length = n
Surface area 2429211147654150
Volume 8.1464992632992E+21
Space diagonal 34851191.856622

Equilateral Triangle

Length = n
Perimeter 60364035
Area 1.7531321375207E+14
Altitude 17425595.928311

Triangular Pyramid

Length = n
Surface area 1.7531321375207E+14
Volume 9.6007414533501E+20
Height 9485292.997396