20807828 (number)

20807828 is an even 8-digits composite number following 20807827 and preceding 20807829. In scientific notation, it is written as 2.0807828 × 10^7. The sum of its digits is 35. It has a total of 5 prime factors and 24 positive divisors. There are 10001600 positive integers (up to 20807828) that are relatively prime to 20807828.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0807828 × 10^7
Engineering notation 2.0807828 × 10^6

Prime Factorization of 20807828

Prime Factorization 2 × 2 × 41 × 71 × 1787

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10403914
Product of the distinct prime numbers

The prime factorization of 20807828 is 2 × 2 × 41 × 71 × 1787. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 5, 88, 36, 790, 406, 7257, 7129, 25791, 38324, 770075, 668594, 5499582, 1977968, 10613583, 50354129, 831825236, 30790649, 3298874842, 9907314845

Basic calculations (n = 20807828)

Multiplication

n×y
n×2 41615656
n×3 62423484
n×4 83231312
n×5 104039140

Division

n÷y
n÷2 10403914
n÷3 6935942.6666667
n÷3 5201957
n÷5 4161565.6

Exponentiation

ny
n2 432965706077584
n3 9.0090759419609E+21
n4 1.8745930263926E+29
n5 3.9006209263177E+36

Nth Root

y√n
2√n 4561.5598209384
3√n 275.04826921303
4√n 67.539320554314
5√n 29.083411613864

Divisors of 20807828

1, 2, 4, 41, 71, 82, 142, 164, 284, 1787, 2911, 3574, 5822, 7148, 11644, 73267, 126877, 146534, 253754, 293068, 507508, 5201957, 10403914, 20807828

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 -20807827
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 20807828 can be divided by 24 positive divisors. The sum of these divisors (counting 20807828) is 1, the average is 0.041666666666667.

Base conversion 20807828

Base System Value
2 Binary 1001111011000000010010100
3 Ternary 1110011010222022
4 Quaternary 1033120002110
5 Quinary 20311322303
6 Senary 2021552312
8 Octal 117300224
10 Decimal 20807828
12 Duodecimal 6b75698
16 Hexadecimal 13d8094
20 Vigesimal 6a0jb8
36 Base36 cdzf8

Cryptographic Hash Functions

md5 cea555af43892ee2fdc4ef626d8a57fb
sha1 2b9818825beb8e680d9c5dedc1a467908af6ad1e
sha256 7b603328bbfea48d1997ce219e711e09b084e61cba90bdb17d61b3524e362ffa
sha512 242e7fe2764adcf4a4339eed3d05db61cda713a04a714cdb5f5dbdff9ceb0f5caeb2921b243c48d6056aef5fd633690c2cd698886778a4dd9b161bcd36279f75
ripemd-160 d6c36051560052736145c95f800496b4760f7588

20807828 as geometric shapes

Circle

Radius = n
Diameter 41615656
Circumference 130739439.16392
Area 1.3602018814697E+15

Sphere

Radius = n
Volume 3.7737129059863E+22
Surface area 5.4408075258786E+15
Circumference 130739439.16392

Square

Length = n
Perimeter 83231312
Area 432965706077584
Diagonal 29426712.561127

Cube

Length = n
Surface area 2597794236465504
Volume 9.0090759419609E+21
Space diagonal 36040215.291154

Equilateral Triangle

Length = n
Perimeter 62423484
Area 1.8747965021533E+14
Altitude 18020107.645577

Triangular Pyramid

Length = n
Surface area 1.8747965021533E+14
Volume 1.0617297817975E+21
Height 9808904.1870422