20807890 (number)

20807890 is an even 8-digits composite number following 20807889 and preceding 20807891. In scientific notation, it is written as 2.0807890 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 8300800 positive integers (up to 20807890) that are relatively prime to 20807890.

Interesting facts

Basic properties

Name

Name twenty million eight hundred seven thousand eight hundred ninety

Notation

Scientific notation 2.0807890 × 10^7
Engineering notation 2.0807890 × 10^6

Prime Factorization of 20807890

Prime Factorization 2 × 5 × 401 × 5189

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20807890
Product of the distinct prime numbers

The prime factorization of 20807890 is 2 × 5 × 401 × 5189. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 1, 65, 74, 815, 368, 7905, 9396, 22845, 94873, 382851, 865632, 170320, 6155070, 20156994, 82638646, 547669505, 802769978, 7313582367, 4361098545

Basic calculations (n = 20807890)

Multiplication

n×y
n×2 41615780
n×3 62423670
n×4 83231560
n×5 104039450

Division

n÷y
n÷2 10403945
n÷3 6935963.3333333
n÷3 5201972.5
n÷5 4161578

Exponentiation

ny
n2 432968286252100
n3 9.0091564738222E+21
n4 1.8746153690008E+29
n5 3.9006790390478E+36

Nth Root

y√n
2√n 4561.5666168543
3√n 275.04854239509
4√n 67.539370865106
5√n 29.083428945509

Divisors of 20807890

1, 2, 5, 10, 401, 802, 2005, 4010, 5189, 10378, 25945, 51890, 2080789, 4161578, 10403945, 20807890

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 -20807889
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 20807890 can be divided by 16 positive divisors. The sum of these divisors (counting 20807890) is 1, the average is 0.0625.

Base conversion 20807890

Base System Value
2 Binary 1001111011000000011010010
3 Ternary 1110011011001121
4 Quaternary 1033120003102
5 Quinary 20311323030
6 Senary 2021552454
8 Octal 117300322
10 Decimal 20807890
12 Duodecimal 6b7572a
16 Hexadecimal 13d80d2
20 Vigesimal 6a0jea
36 Base36 cdzgy

Cryptographic Hash Functions

md5 6a5dbcf751a32815ef065f16ef2c5ac6
sha1 e184717971b7478e93fb0c20b896a516298b862e
sha256 72c429a64fd42c22ddb98b00cf62d06768e6cce8bf6469cc9548bd455f535c5b
sha512 c2e6cd08936f288941fbeaf5033347afc76cbe6b6c54f1d4ff4804e167c665587713303caeb09af0d107b6a16b7d830e8471104f4c1f3218e154a8973fdc1a71
ripemd-160 800ab1bc75693c5b56d6c2f541511a511fa8cec3

20807890 as geometric shapes

Circle

Radius = n
Diameter 41615780
Circumference 130739828.72141
Area 1.360209987327E+15

Sphere

Radius = n
Volume 3.7737466390934E+22
Surface area 5.4408399493078E+15
Circumference 130739828.72141

Square

Length = n
Perimeter 83231560
Area 432968286252100
Diagonal 29426800.242368

Cube

Length = n
Surface area 2597809717512600
Volume 9.0091564738222E+21
Space diagonal 36040322.678304

Equilateral Triangle

Length = n
Perimeter 62423670
Area 1.8748076746367E+14
Altitude 18020161.339152

Triangular Pyramid

Length = n
Surface area 1.8748076746367E+14
Volume 1.0617392725684E+21
Height 9808933.4141225