20784890 (number)

20784890 is an even 8-digits composite number following 20784889 and preceding 20784891. In scientific notation, it is written as 2.0784890 × 10^7. The sum of its digits is 38. It has a total of 5 prime factors and 32 positive divisors. There are 7092864 positive integers (up to 20784890) that are relatively prime to 20784890.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0784890 × 10^7
Engineering notation 2.0784890 × 10^6

Prime Factorization of 20784890

Prime Factorization 2 × 7 × 5 × 263 × 1129

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20784890
Product of the distinct prime numbers

The prime factorization of 20784890 is 2 × 7 × 5 × 263 × 1129. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 2, 5, 55, 778, 130, 187, 925, 12814, 59440, 135702, 805704, 7435671, 572283, 79202047, 57099664, 177008026, 465864414, 1234535990, 8380094367

Basic calculations (n = 20784890)

Multiplication

n×y
n×2 41569780
n×3 62354670
n×4 83139560
n×5 103924450

Division

n÷y
n÷2 10392445
n÷3 6928296.6666667
n÷3 5196222.5
n÷5 4156978

Exponentiation

ny
n2 432011652312100
n3 8.9793146720252E+21
n4 1.8663406773343E+29
n5 3.8791685680919E+36

Nth Root

y√n
2√n 4559.0448561075
3√n 274.94716340271
4√n 67.520699463998
5√n 29.076996627596

Divisors of 20784890

1, 2, 5, 7, 10, 14, 35, 70, 263, 526, 1129, 1315, 1841, 2258, 2630, 3682, 5645, 7903, 9205, 11290, 15806, 18410, 39515, 79030, 296927, 593854, 1484635, 2078489, 2969270, 4156978, 10392445, 20784890

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20784889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20784890 can be divided by 32 positive divisors. The sum of these divisors (counting 20784890) is 1, the average is 0.03125.

Base conversion 20784890

Base System Value
2 Binary 1001111010010011011111010
3 Ternary 1110002222111202
4 Quaternary 1033102123322
5 Quinary 20310104030
6 Senary 2021254202
8 Octal 117223372
10 Decimal 20784890
12 Duodecimal 6b64362
16 Hexadecimal 13d26fa
20 Vigesimal 69i24a
36 Base36 cdhq2

Cryptographic Hash Functions

md5 0e79f2c3f9124722cd171bb08eb4f146
sha1 4ada494cdff2e147e51dd1fccee31a402525772e
sha256 58d7d04637f33c35fe22cf44365400407ac7994aec6e380f870657bf2d7547e9
sha512 5326cfa31f81253d8ae0155c1b107fab594914b909b4fd4c324b7525c19ba537abc4195b91929c877aafed07d4569c568334d26b5d76eb4f17913f885a28dbc6
ripemd-160 571c68b904bd81287ac8ac12f9ccfeac5f9c1d47

20784890 as geometric shapes

Circle

Radius = n
Diameter 41569780
Circumference 130595315.45934
Area 1.3572046331689E+15

Sphere

Radius = n
Volume 3.7612465343874E+22
Surface area 5.4288185326755E+15
Circumference 130595315.45934

Square

Length = n
Perimeter 83139560
Area 432011652312100
Diagonal 29394273.330433

Cube

Length = n
Surface area 2592069913872600
Volume 8.9793146720252E+21
Space diagonal 36000485.50973

Equilateral Triangle

Length = n
Perimeter 62354670
Area 1.8706653281658E+14
Altitude 18000242.754865

Triangular Pyramid

Length = n
Surface area 1.8706653281658E+14
Volume 1.0582223824995E+21
Height 9798091.1101443