20121609 (number)

20121609 is an odd 8-digits composite number following 20121608 and preceding 20121610. In scientific notation, it is written as 2.0121609 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 13161200 positive integers (up to 20121609) that are relatively prime to 20121609.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0121609 × 10^7
Engineering notation 2.0121609 × 10^6

Prime Factorization of 20121609

Prime Factorization 3 × 53 × 126551

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20121609
Product of the distinct prime numbers

The prime factorization of 20121609 is 3 × 53 × 126551. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121609)

Multiplication

n×y
n×2 40243218
n×3 60364827
n×4 80486436
n×5 100608045

Division

n÷y
n÷2 10060804.5
n÷3 6707203
n÷3 5030402.25
n÷5 4024321.8

Exponentiation

ny
n2 404879148748881
n3 8.1468199233778E+21
n4 1.6392712509162E+29
n5 3.2984775155876E+36

Nth Root

y√n
2√n 4485.7116492258
3√n 271.99081301872
4√n 66.975455573111
5√n 28.889002143844

Divisors of 20121609

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 -20121608
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 20121609 can be divided by 8 positive divisors. The sum of these divisors (counting 20121609) is 1, the average is 0.125.

Base conversion 20121609

Base System Value
2 Binary 1001100110000100000001001
3 Ternary 1101212021122210
4 Quaternary 1030300200021
5 Quinary 20122342414
6 Senary 1555135333
8 Octal 114604011
10 Decimal 20121609
12 Duodecimal 68a4549
16 Hexadecimal 1330809
20 Vigesimal 65f409
36 Base36 bz9xl

Cryptographic Hash Functions

md5 36bbb8b0f7fa6f99dd266d10cdd4af4f
sha1 5e8b145d747dfec370681c6ac53354b3cdff454e
sha256 29c5cf0796fea6aba96bc40c6053719f1c92ea1c65b509c1647f21ca90dee88c
sha512 f29de569d341857f3129fe640a0e6313462fea5ac77f7bd4dd27c4195c6c71db85409187340ae21851b1fb22218cabf4a70ad102ec44497cd0349ea8ecaf1df1
ripemd-160 235890552e40eb61186f4f1d947589c4316c4733

20121609 as geometric shapes

Circle

Radius = n
Diameter 40243218
Circumference 126427798.02561
Area 1.2719653593012E+15

Sphere

Radius = n
Volume 3.4125319495204E+22
Surface area 5.0878614372047E+15
Circumference 126427798.02561

Square

Length = n
Perimeter 80486436
Area 404879148748881
Diagonal 28456252.344569

Cube

Length = n
Surface area 2429274892493286
Volume 8.1468199233778E+21
Space diagonal 34851649.118035

Equilateral Triangle

Length = n
Perimeter 60364827
Area 1.7531781413957E+14
Altitude 17425824.559018

Triangular Pyramid

Length = n
Surface area 1.7531781413957E+14
Volume 9.6011193548769E+20
Height 9485417.4481895