20121009 (number)

20121009 is an odd 8-digits composite number following 20121008 and preceding 20121010. In scientific notation, it is written as 2.0121009 × 10^7. The sum of its digits is 15. It has a total of 3 prime factors and 8 positive divisors. There are 13390416 positive integers (up to 20121009) that are relatively prime to 20121009.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand nine

Notation

Scientific notation 2.0121009 × 10^7
Engineering notation 2.0121009 × 10^6

Prime Factorization of 20121009

Prime Factorization 3 × 599 × 11197

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20121009
Product of the distinct prime numbers

The prime factorization of 20121009 is 3 × 599 × 11197. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121009)

Multiplication

n×y
n×2 40242018
n×3 60363027
n×4 80484036
n×5 100605045

Division

n÷y
n÷2 10060504.5
n÷3 6707003
n÷3 5030252.25
n÷5 4024201.8

Exponentiation

ny
n2 404855003178081
n3 8.1460911626412E+21
n4 1.6390757359832E+29
n5 3.29798576354E+36

Nth Root

y√n
2√n 4485.644769707
3√n 271.98810952203
4√n 66.974956287459
5√n 28.888829855355

Divisors of 20121009

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 -20121008
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 20121009 can be divided by 8 positive divisors. The sum of these divisors (counting 20121009) is 1, the average is 0.125.

Base conversion 20121009

Base System Value
2 Binary 1001100110000010110110001
3 Ternary 1101212020211120
4 Quaternary 1030300112301
5 Quinary 20122333014
6 Senary 1555132453
8 Octal 114602661
10 Decimal 20121009
12 Duodecimal 68a4129
16 Hexadecimal 13305b1
20 Vigesimal 65f2a9
36 Base36 bz9gx

Cryptographic Hash Functions

md5 1f7c4128eeed7f6dead30c7739133885
sha1 9ef5e03550b639d6aaee21d9d13906095d94c668
sha256 e80af69e9ecf504c9f22373762d6b27b4dc1056751ec94e4b5b80ff19eece43b
sha512 d09e149824c3f5c8a8b28590b66f0035c50cc2fa7b98ce68a396b3709dbfa05b2083bfcbe78cca4237f04237b92db1ab67c72425b35aa7cc7f57d833f908e85e
ripemd-160 a52a0b26c8af3f8ba44ba7dfd0e3e1e45b5fbef6

20121009 as geometric shapes

Circle

Radius = n
Diameter 40242018
Circumference 126424028.11443
Area 1.2718895037533E+15

Sphere

Radius = n
Volume 3.4122266869368E+22
Surface area 5.0875580150133E+15
Circumference 126424028.11443

Square

Length = n
Perimeter 80484036
Area 404855003178081
Diagonal 28455403.816431

Cube

Length = n
Surface area 2429130019068486
Volume 8.1460911626412E+21
Space diagonal 34850609.887551

Equilateral Triangle

Length = n
Perimeter 60363027
Area 1.7530735880072E+14
Altitude 17425304.943775

Triangular Pyramid

Length = n
Surface area 1.7530735880072E+14
Volume 9.6002605021123E+20
Height 9485134.605477