20121409 (number)

20121409 is an odd 8-digits composite number following 20121408 and preceding 20121410. In scientific notation, it is written as 2.0121409 × 10^7. The sum of its digits is 19. It has a total of 4 prime factors and 16 positive divisors. There are 15676080 positive integers (up to 20121409) that are relatively prime to 20121409.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0121409 × 10^7
Engineering notation 2.0121409 × 10^6

Prime Factorization of 20121409

Prime Factorization 49 × 7 × 11 × 5333

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20121409
Product of the distinct prime numbers

The prime factorization of 20121409 is 49 × 7 × 11 × 5333. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 2, 16, 24, 9, 73, 8867, 779, 92063, 59403, 480445, 139193, 1719186, 1388153, 5162674, 38692540, 432128877, 196547080, 5033079334, 3044189431

Basic calculations (n = 20121409)

Multiplication

n×y
n×2 40242818
n×3 60364227
n×4 80485636
n×5 100607045

Division

n÷y
n÷2 10060704.5
n÷3 6707136.3333333
n÷3 5030352.25
n÷5 4024281.8

Exponentiation

ny
n2 404871100145281
n3 8.1465769983032E+21
n4 1.6392060773285E+29
n5 3.2983135917212E+36

Nth Root

y√n
2√n 4485.6893561637
3√n 271.98991185912
4√n 66.975289145801
5√n 28.888944714805

Divisors of 20121409

1, 7, 11, 49, 77, 343, 539, 3773, 5333, 37331, 58663, 261317, 410641, 1829219, 2874487, 20121409

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20121408
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121409 can be divided by 16 positive divisors. The sum of these divisors (counting 20121409) is 1, the average is 0.0625.

Base conversion 20121409

Base System Value
2 Binary 1001100110000011101000001
3 Ternary 1101212021101101
4 Quaternary 1030300131001
5 Quinary 20122341114
6 Senary 1555134401
8 Octal 114603501
10 Decimal 20121409
12 Duodecimal 68a4401
16 Hexadecimal 1330741
20 Vigesimal 65f3a9
36 Base36 bz9s1

Cryptographic Hash Functions

md5 5020dd422b0c80f6c1f844fc4770911d
sha1 51e6613ee33c20f081357a46532cad001a987d36
sha256 ca7ea6e318d9a189b19c9f09f816d4cbb5f0a83a87df3b3a1053a89eb3e54ae6
sha512 9ca5326377b59cd24af8a31036b1ffad0fbcb60383d59cf7d3ae0d8dc165566a43d5e70364bf21e9151e4dfd56112e25b18514f4e556377ecbeb534128d0b814
ripemd-160 6d8d383ad3895175e5f527c9e14dc6a3c5176d3e

20121409 as geometric shapes

Circle

Radius = n
Diameter 40242818
Circumference 126426541.38855
Area 1.2719400738672E+15

Sphere

Radius = n
Volume 3.412430193303E+22
Surface area 5.0877602954689E+15
Circumference 126426541.38855

Square

Length = n
Perimeter 80485636
Area 404871100145281
Diagonal 28455969.501856

Cube

Length = n
Surface area 2429226600871686
Volume 8.1465769983032E+21
Space diagonal 34851302.707874

Equilateral Triangle

Length = n
Perimeter 60364227
Area 1.7531432899198E+14
Altitude 17425651.353937

Triangular Pyramid

Length = n
Surface area 1.7531432899198E+14
Volume 9.6008330649309E+20
Height 9485323.1672854