20878 (number)

20878 is an even 5-digits composite number following 20877 and preceding 20879. In scientific notation, it is written as 2.0878 × 10^4. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 8640 positive integers (up to 20878) that are relatively prime to 20878.

Interesting facts

Basic properties

Name

Name twenty thousand eight hundred seventy-eight

Notation

Scientific notation 2.0878 × 10^4
Engineering notation 2.0878 × 10^3

Prime Factorization of 20878

Prime Factorization 2 × 11 × 13 × 73

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20878
Product of the distinct prime numbers

The prime factorization of 20878 is 2 × 11 × 13 × 73. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 5, 56, 18, 962, 629, 8381, 8370, 84963, 53060, 4101, 244436, 3933305, 33397, 82249794, 41702951, 734948907, 698009942, 8326733865, 3231008278

Basic calculations (n = 20878)

Multiplication

n×y
n×2 41756
n×3 62634
n×4 83512
n×5 104390

Division

n÷y
n÷2 10439
n÷3 6959.3333333333
n÷3 5219.5
n÷5 4175.6

Exponentiation

ny
n2 435890884
n3 9100529876152
n4 190000862754301456
n5 3.9668380125843E+21

Nth Root

y√n
2√n 144.49221432313
3√n 27.535711181557
4√n 12.020491434343
5√n 7.3103434072456

Divisors of 20878

1, 2, 11, 13, 22, 26, 73, 143, 146, 286, 803, 949, 1606, 1898, 10439, 20878

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 -20877
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 20878 can be divided by 16 positive divisors. The sum of these divisors (counting 20878) is 1, the average is 0.0625.

Base conversion 20878

Base System Value
2 Binary 101000110001110
3 Ternary 1001122021
4 Quaternary 11012032
5 Quinary 1132003
6 Senary 240354
8 Octal 50616
10 Decimal 20878
12 Duodecimal 100ba
16 Hexadecimal 518e
20 Vigesimal 2c3i
36 Base36 g3y

Cryptographic Hash Functions

md5 c21152d513a740be16401febdffcc534
sha1 e23215126473ec373baea4fe93bd5e7279593b6c
sha256 e964bfee919e35e7f9cac2a55c24e33f3679cb84a177b6784ac3ec1d2b201670
sha512 3d3267c14095c721858bf041b2e42a39ba37f1a7724c74da58bfa836894a9747966b92a84d160afc54f50077a2a4640f5438841159e297a3bd908725f1b3df2d
ripemd-160 47ce890f8f255bb80c97763cc7b5d539972b4efc

20878 as geometric shapes

Circle

Radius = n
Diameter 41756
Circumference 131180.3428433
Area 1369391598.9412

Sphere

Radius = n
Volume 38120210403591
Surface area 5477566395.7646
Circumference 131180.3428433

Square

Length = n
Perimeter 83512
Area 435890884
Diagonal 29525.950755225

Cube

Length = n
Surface area 2615345304
Volume 9100529876152
Space diagonal 36161.756760423

Equilateral Triangle

Length = n
Perimeter 62634
Area 188746289.41103
Altitude 18080.878380212

Triangular Pyramid

Length = n
Surface area 188746289.41103
Volume 1072507731303
Height 9841.9835850752