21000780 (number)

21000780 is an even 8-digits composite number following 21000779 and preceding 21000781. In scientific notation, it is written as 2.1000780 × 10^7. The sum of its digits is 18. It has a total of 5 prime factors and 24 positive divisors. There are 5270016 positive integers (up to 21000780) that are relatively prime to 21000780.

Interesting facts

Basic properties

Name

Name twenty-one million seven hundred eighty

Notation

Scientific notation 2.1000780 × 10^7
Engineering notation 2.1000780 × 10^6

Prime Factorization of 21000780

Prime Factorization 2 × 2 × 45 × 17 × 6863

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10500390
Product of the distinct prime numbers

The prime factorization of 21000780 is 2 × 2 × 45 × 17 × 6863. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 10, 86, 50, 186, 917, 2872, 7427, 13229, 5689, 451934, 753151, 344545, 6047478, 83406873, 83891600, 111555803, 904825790, 8304827133, 8296710696

Basic calculations (n = 21000780)

Multiplication

n×y
n×2 42001560
n×3 63002340
n×4 84003120
n×5 105003900

Division

n÷y
n÷2 10500390
n÷3 7000260
n÷3 5250195
n÷5 4200156

Exponentiation

ny
n2 441032760608400
n3 9.2620319783297E+21
n4 1.9450989592987E+29
n5 4.084859532246E+36

Nth Root

y√n
2√n 4582.6607991428
3√n 275.89583340671
4√n 67.695352862237
5√n 29.137151028346

Divisors of 21000780

1, 2, 4, 17, 34, 45, 68, 90, 180, 765, 1530, 3060, 6863, 13726, 27452, 116671, 233342, 308835, 466684, 617670, 1235340, 5250195, 10500390, 21000780

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 -21000779
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 21000780 can be divided by 24 positive divisors. The sum of these divisors (counting 21000780) is 1, the average is 0.041666666666667.

Base conversion 21000780

Base System Value
2 Binary 1010000000111001001001100
3 Ternary 1110111221122200
4 Quaternary 1100013021030
5 Quinary 20334011110
6 Senary 2030041500
8 Octal 120071114
10 Decimal 21000780
12 Duodecimal 7049290
16 Hexadecimal 140724c
20 Vigesimal 6b51j0
36 Base36 ci4b0

Cryptographic Hash Functions

md5 bb03aa18b1013bde619c6674d0c31f3d
sha1 09b489dd3e8d6aa9cbf104d70e4ac6c35a4b30c1
sha256 7a766869f361f9bdafc1bf576e2aff995fe69f75a973d8d26c5029faede5e8c6
sha512 2232ab7e377db77c78e043f332a9ea1a614ae20aec0ab6e765776a6106ff6039380d2387fd5fb957a2fad261e2cf9091720ca360fddf65993a9dcfff597ff073
ripemd-160 f7682b76d6669e912cdbdac91e040bb5e41524c7

21000780 as geometric shapes

Circle

Radius = n
Diameter 42001560
Circumference 131951792.33531
Area 1.3855452807198E+15

Sphere

Radius = n
Volume 3.8796708827246E+22
Surface area 5.5421811228791E+15
Circumference 131951792.33531

Square

Length = n
Perimeter 84003120
Area 441032760608400
Diagonal 29699587.896414

Cube

Length = n
Surface area 2646196563650400
Volume 9.2620319783297E+21
Space diagonal 36374417.958576

Equilateral Triangle

Length = n
Perimeter 63002340
Area 1.9097278729403E+14
Altitude 18187208.979288

Triangular Pyramid

Length = n
Surface area 1.9097278729403E+14
Volume 1.0915409365739E+21
Height 9899862.6321379