21280168 (number)

21280168 is an even 8-digits composite number following 21280167 and preceding 21280169. In scientific notation, it is written as 2.1280168 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 16 positive divisors. There are 8418240 positive integers (up to 21280168) that are relatively prime to 21280168.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred eighty thousand one hundred sixty-eight

Notation

Scientific notation 2.1280168 × 10^7
Engineering notation 2.1280168 × 10^6

Prime Factorization of 21280168

Prime Factorization 2 × 2 × 2 × 91 × 29231

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5320042
Product of the distinct prime numbers

The prime factorization of 21280168 is 2 × 2 × 2 × 91 × 29231. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 5, 19, 100, 7, 850, 9427, 8920, 19574, 44390, 266870, 280391, 9726568, 258151, 39320451, 99145744, 34159231, 402349147, 2905733196, 5408069612

Basic calculations (n = 21280168)

Multiplication

n×y
n×2 42560336
n×3 63840504
n×4 85120672
n×5 106400840

Division

n÷y
n÷2 10640084
n÷3 7093389.3333333
n÷3 5320042
n÷5 4256033.6

Exponentiation

ny
n2 452845550108224
n3 9.6366293843554E+21
n4 2.0506909225282E+29
n5 4.3639047347475E+36

Nth Root

y√n
2√n 4613.0432471417
3√n 277.1139256905
4√n 67.919387859003
5√n 29.21426809811

Divisors of 21280168

1, 2, 4, 8, 91, 182, 364, 728, 29231, 58462, 116924, 233848, 2660021, 5320042, 10640084, 21280168

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 -21280167
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 21280168 can be divided by 16 positive divisors. The sum of these divisors (counting 21280168) is 1, the average is 0.0625.

Base conversion 21280168

Base System Value
2 Binary 1010001001011010110101000
3 Ternary 1111001010220101
4 Quaternary 1101023112220
5 Quinary 20421431133
6 Senary 2040035144
8 Octal 121132650
10 Decimal 21280168
12 Duodecimal 7162ab4
16 Hexadecimal 144b5a8
20 Vigesimal 6d0088
36 Base36 co3vs

Cryptographic Hash Functions

md5 65f4b26fae3be25aabcaa91b9110e864
sha1 913fbc771ae467b62c7e6a3f3d7b0e0b1b36aa76
sha256 00ab680cda6bc379fc9afd471bccea0c6ccfbe833ac224d765c5c7a40f373093
sha512 fdf9e07f3bbc5eb69e0a667d13edfa4783582f79df33591a4d89b71a9beb333f72a2d4a062698ca96d6ab906fd646abc50d7cae83618478e49ff4dff8bb62192
ripemd-160 d8eb7b3c792871473e4644396eca0ab11d9b7608

21280168 as geometric shapes

Circle

Radius = n
Diameter 42560336
Circumference 133707238.91191
Area 1.4226562534308E+15

Sphere

Radius = n
Volume 4.0365818772345E+22
Surface area 5.6906250137233E+15
Circumference 133707238.91191

Square

Length = n
Perimeter 85120672
Area 452845550108224
Diagonal 30094702.195178

Cube

Length = n
Surface area 2717073300649344
Volume 9.6366293843554E+21
Space diagonal 36858332.169601

Equilateral Triangle

Length = n
Perimeter 63840504
Area 1.9608787519223E+14
Altitude 18429166.084801

Triangular Pyramid

Length = n
Surface area 1.9608787519223E+14
Volume 1.1356876642432E+21
Height 10031567.398393