21878980 (number)

21878980 is an even 8-digits composite number following 21878979 and preceding 21878981. In scientific notation, it is written as 2.1878980 × 10^7. The sum of its digits is 43. It has a total of 5 prime factors and 24 positive divisors. There are 8370912 positive integers (up to 21878980) that are relatively prime to 21878980.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred seventy-eight thousand nine hundred eighty

Notation

Scientific notation 2.1878980 × 10^7
Engineering notation 2.1878980 × 10^6

Prime Factorization of 21878980

Prime Factorization 2 × 2 × 5 × 23 × 47563

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10939490
Product of the distinct prime numbers

The prime factorization of 21878980 is 2 × 2 × 5 × 23 × 47563. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 9, 28, 19, 51, 929, 8820, 9038, 13395, 16567, 850201, 573234, 8505338, 6524464, 48510165, 63521444, 890554567, 413230925, 1664676377, 2064207414

Basic calculations (n = 21878980)

Multiplication

n×y
n×2 43757960
n×3 65636940
n×4 87515920
n×5 109394900

Division

n÷y
n÷2 10939490
n÷3 7292993.3333333
n÷3 5469745
n÷5 4375796

Exponentiation

ny
n2 478689765840400
n3 1.0473243813027E+22
n4 2.2914389192034E+29
n5 5.0134346284472E+36

Nth Root

y√n
2√n 4677.4971940131
3√n 279.68919594698
4√n 68.392230509123
5√n 29.376862752448

Divisors of 21878980

1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 47563, 95126, 190252, 237815, 475630, 951260, 1093949, 2187898, 4375796, 5469745, 10939490, 21878980

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 -21878979
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 21878980 can be divided by 24 positive divisors. The sum of these divisors (counting 21878980) is 1, the average is 0.041666666666667.

Base conversion 21878980

Base System Value
2 Binary 1010011011101100011000100
3 Ternary 1112011120022121
4 Quaternary 1103131203010
5 Quinary 21100111410
6 Senary 2100535324
8 Octal 123354304
10 Decimal 21878980
12 Duodecimal 73b1544
16 Hexadecimal 14dd8c4
20 Vigesimal 6geh90
36 Base36 d0xxg

Cryptographic Hash Functions

md5 98a37e67a6f6d27c1ab068fed7dd40a6
sha1 08394023a353af6ede3e34129ae25e02eea96444
sha256 9ed41ea14e4cb9df5daf34a610ed2034a301b267bdccd78f89118ee8dcba57e2
sha512 db58820c2fd287d715cf578e5b2226dcc9fba42e1e7ffb5ca15b07aebcebfca110901a0801e40e7069dc38a815a9ef7415be1291373c094a6cca906f21a30591
ripemd-160 4a1c1c1833db62d9ae6ca53d8ac5c2609347420e

21878980 as geometric shapes

Circle

Radius = n
Diameter 43757960
Circumference 137469685.67208
Area 1.5038482517128E+15

Sphere

Radius = n
Volume 4.3870221096346E+22
Surface area 6.0153930068513E+15
Circumference 137469685.67208

Square

Length = n
Perimeter 87515920
Area 478689765840400
Diagonal 30941550.24689

Cube

Length = n
Surface area 2872138595042400
Volume 1.0473243813027E+22
Space diagonal 37895504.977783

Equilateral Triangle

Length = n
Perimeter 65636940
Area 2.0727874887471E+14
Altitude 18947752.488892

Triangular Pyramid

Length = n
Surface area 2.0727874887471E+14
Volume 1.2342836202019E+21
Height 10313850.082297