21578980 (number)

21578980 is an even 8-digits composite number following 21578979 and preceding 21578981. In scientific notation, it is written as 2.1578980 × 10^7. The sum of its digits is 40. It has a total of 5 prime factors and 24 positive divisors. There are 8610912 positive integers (up to 21578980) that are relatively prime to 21578980.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1578980 × 10^7
Engineering notation 2.1578980 × 10^6

Prime Factorization of 21578980

Prime Factorization 2 × 2 × 5 × 523 × 2063

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10789490
Product of the distinct prime numbers

The prime factorization of 21578980 is 2 × 2 × 5 × 523 × 2063. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 1, 35, 94, 268, 197, 5446, 3638, 32354, 85743, 577173, 458569, 83537, 8221223, 2307443, 31181376, 180222713, 206520192, 2550079574, 5042097521

Basic calculations (n = 21578980)

Multiplication

n×y
n×2 43157960
n×3 64736940
n×4 86315920
n×5 107894900

Division

n÷y
n÷2 10789490
n÷3 7192993.3333333
n÷3 5394745
n÷5 4315796

Exponentiation

ny
n2 465652377840400
n3 1.004830334837E+22
n4 2.1683213698842E+29
n5 4.6790163474303E+36

Nth Root

y√n
2√n 4645.318073071
3√n 278.40496162492
4√n 68.156570285417
5√n 29.295855342741

Divisors of 21578980

1, 2, 4, 5, 10, 20, 523, 1046, 2063, 2092, 2615, 4126, 5230, 8252, 10315, 10460, 20630, 41260, 1078949, 2157898, 4315796, 5394745, 10789490, 21578980

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 -21578979
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 21578980 can be divided by 24 positive divisors. The sum of these divisors (counting 21578980) is 1, the average is 0.041666666666667.

Base conversion 21578980

Base System Value
2 Binary 1010010010100010011100100
3 Ternary 1111121022210111
4 Quaternary 1102110103210
5 Quinary 21011011410
6 Senary 2050302404
8 Octal 122242344
10 Decimal 21578980
12 Duodecimal 7287a04
16 Hexadecimal 14944e4
20 Vigesimal 6eh790
36 Base36 cuig4

Cryptographic Hash Functions

md5 b7c846fcf4e489e78bf900667bbdc1a8
sha1 cb543b6599edb9cf8a3a72ae28ef4315427c5f0f
sha256 d778fe7222c997164d2bd8c985b2c6c86bc5d08f129071befb029ddfa8583620
sha512 e10e5a605d82d45e691e4a16b1ca2ae3573d32823f0d37a71e5cae17c1993c04a6d145c346f1c94a78d52356edbb3aebf1fe58439944aa923248ba54597c6ec3
ripemd-160 fd3d56cdf5ee3d4119ef676169afa7bdb1fcb38d

21578980 as geometric shapes

Circle

Radius = n
Diameter 43157960
Circumference 135584730.07992
Area 1.46289008935E+15

Sphere

Radius = n
Volume 4.2090234640376E+22
Surface area 5.8515603574001E+15
Circumference 135584730.07992

Square

Length = n
Perimeter 86315920
Area 465652377840400
Diagonal 30517286.178178

Cube

Length = n
Surface area 2793914267042400
Volume 1.004830334837E+22
Space diagonal 37375889.735513

Equilateral Triangle

Length = n
Perimeter 64736940
Area 2.0163339427121E+14
Altitude 18687944.867756

Triangular Pyramid

Length = n
Surface area 2.0163339427121E+14
Volume 1.1842039061754E+21
Height 10172428.726059