20121509 (number)

20121509 is an odd 8-digits composite number following 20121508 and preceding 20121510. In scientific notation, it is written as 2.0121509 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 19843056 positive integers (up to 20121509) that are relatively prime to 20121509.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand five hundred nine

Notation

Scientific notation 2.0121509 × 10^7
Engineering notation 2.0121509 × 10^6

Prime Factorization of 20121509

Prime Factorization 503 × 109 × 367

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20121509
Product of the distinct prime numbers

The prime factorization of 20121509 is 503 × 109 × 367. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121509)

Multiplication

n×y
n×2 40243018
n×3 60364527
n×4 80486036
n×5 100607545

Division

n÷y
n÷2 10060754.5
n÷3 6707169.6666667
n÷3 5030377.25
n÷5 4024301.8

Exponentiation

ny
n2 404875124437081
n3 8.1466984602368E+21
n4 1.6392386638794E+29
n5 3.2983955528398E+36

Nth Root

y√n
2√n 4485.7005027086
3√n 271.99036243967
4√n 66.975372359611
5√n 28.888973429381

Divisors of 20121509

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 -20121508
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 20121509 can be divided by 8 positive divisors. The sum of these divisors (counting 20121509) is 1, the average is 0.125.

Base conversion 20121509

Base System Value
2 Binary 1001100110000011110100101
3 Ternary 1101212021112002
4 Quaternary 1030300132211
5 Quinary 20122342014
6 Senary 1555135045
8 Octal 114603645
10 Decimal 20121509
12 Duodecimal 68a4485
16 Hexadecimal 13307a5
20 Vigesimal 65f3f9
36 Base36 bz9ut

Cryptographic Hash Functions

md5 8d46fb273614fbbc644c86b02292cbde
sha1 2aa82fcb41aff27eb1d7d30f2b28ba18117ea26c
sha256 4cff2897bff76bc62d94ef88537c90ed98925f2037851d4a721606db1934d5b8
sha512 391b84ad27b37e4ccf36160c45030e0c5d338a2081959989e028fa04534a29f0be6425f8a8353da33e81713b5af1f3347e8a254e25c57801dde7b2cd8e73c3fa
ripemd-160 51024b6d172fae28b803ff9584f975b2778018ee

20121509 as geometric shapes

Circle

Radius = n
Diameter 40243018
Circumference 126427169.70708
Area 1.2719527165528E+15

Sphere

Radius = n
Volume 3.4124810711588E+22
Surface area 5.0878108662111E+15
Circumference 126427169.70708

Square

Length = n
Perimeter 80486036
Area 404875124437081
Diagonal 28456110.923212

Cube

Length = n
Surface area 2429250746622486
Volume 8.1466984602368E+21
Space diagonal 34851475.912954

Equilateral Triangle

Length = n
Perimeter 60364527
Area 1.7531607156145E+14
Altitude 17425737.956477

Triangular Pyramid

Length = n
Surface area 1.7531607156145E+14
Volume 9.6009762091925E+20
Height 9485370.3077374