20784428 (number)

20784428 is an even 8-digits composite number following 20784427 and preceding 20784429. In scientific notation, it is written as 2.0784428 × 10^7. The sum of its digits is 35. It has a total of 6 prime factors and 24 positive divisors. There are 8907024 positive integers (up to 20784428) that are relatively prime to 20784428.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0784428 × 10^7
Engineering notation 2.0784428 × 10^6

Prime Factorization of 20784428

Prime Factorization 2 × 2 × 7 × 7 × 7 × 15149

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 212086
Product of the distinct prime numbers

The prime factorization of 20784428 is 2 × 2 × 7 × 7 × 7 × 15149. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 4, 39, 16, 724, 17, 8553, 3457, 58164, 67078, 955338, 366889, 1434811, 3146621, 35087313, 14223289, 357139040, 592936941, 959734916, 433745579

Basic calculations (n = 20784428)

Multiplication

n×y
n×2 41568856
n×3 62353284
n×4 83137712
n×5 103922140

Division

n÷y
n÷2 10392214
n÷3 6928142.6666667
n÷3 5196107
n÷5 4156885.6

Exponentiation

ny
n2 431992447287184
n3 8.9787159171843E+21
n4 1.8661747451317E+29
n5 3.8787374625608E+36

Nth Root

y√n
2√n 4558.9941873181
3√n 274.94512624125
4√n 67.52032425365
5√n 29.076867363579

Divisors of 20784428

1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 15149, 30298, 60596, 106043, 212086, 424172, 742301, 1484602, 2969204, 5196107, 10392214, 20784428

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20784427
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20784428 can be divided by 24 positive divisors. The sum of these divisors (counting 20784428) is 1, the average is 0.041666666666667.

Base conversion 20784428

Base System Value
2 Binary 1001111010010010100101100
3 Ternary 1110002221212122
4 Quaternary 1033102110230
5 Quinary 20310100203
6 Senary 2021252112
8 Octal 117222454
10 Decimal 20784428
12 Duodecimal 6b64038
16 Hexadecimal 13d252c
20 Vigesimal 69i118
36 Base36 cdhd8

Cryptographic Hash Functions

md5 a57bdfe2b88c7a2b79e5662743540d18
sha1 785ba87fbe212ba20fffeba714ec6becfd4d5b50
sha256 2fb6146b17b61d1c5083d090d6cd7f231ed1950d315fed59df0c49b2aa8ab6e6
sha512 bcd6a4317daa04a84ee080753af816c27c86412d0258def309c598c780d78877deaa4762d122af557ac7ccf930f9ee035f44e93e50cfd35a5338deb9ad4ec4ef
ripemd-160 e6ef5c391ffd2b2f86904663990a389fb882b272

20784428 as geometric shapes

Circle

Radius = n
Diameter 41568856
Circumference 130592412.62773
Area 1.3571442988037E+15

Sphere

Radius = n
Volume 3.7609957285461E+22
Surface area 5.4285771952148E+15
Circumference 130592412.62773

Square

Length = n
Perimeter 83137712
Area 431992447287184
Diagonal 29393619.963767

Cube

Length = n
Surface area 2591954683723104
Volume 8.9787159171843E+21
Space diagonal 35999685.302257

Equilateral Triangle

Length = n
Perimeter 62353284
Area 1.8705821679686E+14
Altitude 17999842.651129

Triangular Pyramid

Length = n
Surface area 1.8705821679686E+14
Volume 1.0581518185648E+21
Height 9797873.3212557