20121784 (number)

20121784 is an even 8-digits composite number following 20121783 and preceding 20121785. In scientific notation, it is written as 2.0121784 × 10^7. The sum of its digits is 25. It has a total of 5 prime factors and 16 positive divisors. There are 9788832 positive integers (up to 20121784) that are relatively prime to 20121784.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand seven hundred eighty-four

Notation

Scientific notation 2.0121784 × 10^7
Engineering notation 2.0121784 × 10^6

Prime Factorization of 20121784

Prime Factorization 2 × 2 × 2 × 37 × 67979

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5030446
Product of the distinct prime numbers

The prime factorization of 20121784 is 2 × 2 × 2 × 37 × 67979. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 6, 40, 38, 539, 829, 7089, 6619, 46413, 35928, 427256, 694493, 5157619, 3046553, 27613919, 60037177, 658533092, 676337843, 8365414605, 941749555

Basic calculations (n = 20121784)

Multiplication

n×y
n×2 40243568
n×3 60365352
n×4 80487136
n×5 100608920

Division

n÷y
n÷2 10060892
n÷3 6707261.3333333
n÷3 5030446
n÷5 4024356.8

Exponentiation

ny
n2 404886191342656
n3 8.1470324867796E+21
n4 1.6393282793996E+29
n5 3.2986209543171E+36

Nth Root

y√n
2√n 4485.7311555643
3√n 271.99160152846
4√n 66.97560119599
5√n 28.889052393879

Divisors of 20121784

1, 2, 4, 8, 37, 74, 148, 296, 67979, 135958, 271916, 543832, 2515223, 5030446, 10060892, 20121784

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 -20121783
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 20121784 can be divided by 16 positive divisors. The sum of these divisors (counting 20121784) is 1, the average is 0.0625.

Base conversion 20121784

Base System Value
2 Binary 1001100110000100010111000
3 Ternary 1101212021220021
4 Quaternary 1030300202320
5 Quinary 20122344114
6 Senary 1555140224
8 Octal 114604270
10 Decimal 20121784
12 Duodecimal 68a4674
16 Hexadecimal 13308b8
20 Vigesimal 65f494
36 Base36 bza2g

Cryptographic Hash Functions

md5 8b3e40daad89f3465a1c4a217c6b58d6
sha1 5a48bed44b5b9504accab63d4f7c9ba70b5ed440
sha256 542e8d0783809b1fb179d0b639198bc5e9b4b3090f568c84d617820ac00c44b7
sha512 a94d80899c85241d9286459f3636eb2fc22f9f72bc66cdd84815f0009a66f7d8749b175e3d6cac96d64fd17b05fef0551d02fe657a921d0210a2a307ab7687f8
ripemd-160 ada3ee0db7fc1421a1eb494e5bfc48678ac211d7

20121784 as geometric shapes

Circle

Radius = n
Diameter 40243568
Circumference 126428897.58304
Area 1.271987484262E+15

Sphere

Radius = n
Volume 3.4126209878699E+22
Surface area 5.0879499370482E+15
Circumference 126428897.58304

Square

Length = n
Perimeter 80487136
Area 404886191342656
Diagonal 28456499.831942

Cube

Length = n
Surface area 2429317148055936
Volume 8.1470324867796E+21
Space diagonal 34851952.226927

Equilateral Triangle

Length = n
Perimeter 60365352
Area 1.7532086367213E+14
Altitude 17425976.113463

Triangular Pyramid

Length = n
Surface area 1.7532086367213E+14
Volume 9.6013698632483E+20
Height 9485499.9439806