21007788 (number)

21007788 is an even 8-digits composite number following 21007787 and preceding 21007789. In scientific notation, it is written as 2.1007788 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors. There are 6937920 positive integers (up to 21007788) that are relatively prime to 21007788.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1007788 × 10^7
Engineering notation 2.1007788 × 10^6

Prime Factorization of 21007788

Prime Factorization 2 × 2 × 3 × 109 × 16061

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10503894
Product of the distinct prime numbers

The prime factorization of 21007788 is 2 × 2 × 3 × 109 × 16061. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 2, 4, 82, 836, 928, 4196, 6275, 65383, 44117, 518934, 287114, 515005, 1921833, 84271428, 44728760, 582935660, 724178391, 6928558296, 5037918627

Basic calculations (n = 21007788)

Multiplication

n×y
n×2 42015576
n×3 63023364
n×4 84031152
n×5 105038940

Division

n÷y
n÷2 10503894
n÷3 7002596
n÷3 5251947
n÷5 4201557.6

Exponentiation

ny
n2 441327156652944
n3 9.2713073456078E+21
n4 1.9476965919937E+29
n5 4.0916797092927E+36

Nth Root

y√n
2√n 4583.4253566519
3√n 275.9265189808
4√n 67.700999672471
5√n 29.139095393308

Divisors of 21007788

1, 2, 3, 4, 6, 12, 109, 218, 327, 436, 654, 1308, 16061, 32122, 48183, 64244, 96366, 192732, 1750649, 3501298, 5251947, 7002596, 10503894, 21007788

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 -21007787
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 21007788 can be divided by 24 positive divisors. The sum of these divisors (counting 21007788) is 1, the average is 0.041666666666667.

Base conversion 21007788

Base System Value
2 Binary 1010000001000110110101100
3 Ternary 1110112022021020
4 Quaternary 1100020312230
5 Quinary 20334222123
6 Senary 2030134140
8 Octal 120106654
10 Decimal 21007788
12 Duodecimal 7051350
16 Hexadecimal 1408dac
20 Vigesimal 6b5j98
36 Base36 ci9po

Cryptographic Hash Functions

md5 8eebd79e1bc8359eb7dfdddcf4b8259c
sha1 b04e2bdcd1506984939c9d7855583b440a962299
sha256 fc2c7535ec7a68d9089054a79ccb1e1ce29c82e94782ba0cb73f0227f78a52dd
sha512 b0642286104db3c15bfc6e57b1aad6ed382ee29225eb795fd7ed4a5055a6690b89cd6feffe43db5b4003824e8268c587b6f07bccc8558ce81595384f40f2973f
ripemd-160 3fbda54b8656287610fe5f057cacc1b4b02366d3

21007788 as geometric shapes

Circle

Radius = n
Diameter 42015576
Circumference 131995824.89794
Area 1.3864701531706E+15

Sphere

Radius = n
Volume 3.8835561394846E+22
Surface area 5.5458806126822E+15
Circumference 131995824.89794

Square

Length = n
Perimeter 84031152
Area 441327156652944
Diagonal 29709498.705059

Cube

Length = n
Surface area 2647962939917664
Volume 9.2713073456078E+21
Space diagonal 36386556.170636

Equilateral Triangle

Length = n
Perimeter 63023364
Area 1.911002645207E+14
Altitude 18193278.085318

Triangular Pyramid

Length = n
Surface area 1.911002645207E+14
Volume 1.0926340490907E+21
Height 9903166.2350196