21001856 (number)

21001856 is an even 8-digits composite number following 21001855 and preceding 21001857. In scientific notation, it is written as 2.1001856 × 10^7. The sum of its digits is 23. It has a total of 9 prime factors and 32 positive divisors. There are 10274560 positive integers (up to 21001856) that are relatively prime to 21001856.

Interesting facts

Basic properties

Name

Name twenty-one million one thousand eight hundred fifty-six

Notation

Scientific notation 2.1001856 × 10^7
Engineering notation 2.1001856 × 10^6

Prime Factorization of 21001856

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 47 × 3491

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 328154
Product of the distinct prime numbers

The prime factorization of 21001856 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 47 × 3491. Since it has a total of 9 prime factors.

Most popular turbo-numbers

8, 7, 59, 16, 441, 214, 2491, 3690, 47951, 7016, 291627, 411506, 3407145, 6898400, 66081698, 20825253, 244076161, 126747931, 4050075205, 2099286687

Basic calculations (n = 21001856)

Multiplication

n×y
n×2 42003712
n×3 63005568
n×4 84007424
n×5 105009280

Division

n÷y
n÷2 10500928
n÷3 7000618.6666667
n÷3 5250464
n÷5 4200371.2

Exponentiation

ny
n2 441077955444736
n3 9.2634557050248E+21
n4 1.9454976277931E+29
n5 4.0859061027252E+36

Nth Root

y√n
2√n 4582.7781966838
3√n 275.90054527688
4√n 67.696219958604
5√n 29.137449597561

Divisors of 21001856

1, 2, 4, 8, 16, 32, 47, 64, 94, 128, 188, 376, 752, 1504, 3008, 3491, 6016, 6982, 13964, 27928, 55856, 111712, 164077, 223424, 328154, 446848, 656308, 1312616, 2625232, 5250464, 10500928, 21001856

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21001855
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21001856 can be divided by 32 positive divisors. The sum of these divisors (counting 21001856) is 1, the average is 0.03125.

Base conversion 21001856

Base System Value
2 Binary 1010000000111011010000000
3 Ternary 1110112000010112
4 Quaternary 1100013122000
5 Quinary 20334024411
6 Senary 2030050452
8 Octal 120073200
10 Decimal 21001856
12 Duodecimal 7049a28
16 Hexadecimal 1407680
20 Vigesimal 6b54cg
36 Base36 ci54w

Cryptographic Hash Functions

md5 1066905e892770d76bbc9709ec2b57ee
sha1 6ee9afe747deb007cca8f2446194d5433d34a2f1
sha256 daac264ecced28aa03f27d2c6f17588b35e82e2274b4607a4aaefb3863d8b20f
sha512 20a9291d742e5fb07c675e179d356cf9a5eae76e8284b099380236638d6404250dc1415cbcdb7630d248a52f209fe43696ee80d4b548d2bac62327e466f13fc3
ripemd-160 2020107b178c27c3879acef61e89ff0888bb3b19

21001856 as geometric shapes

Circle

Radius = n
Diameter 42003712
Circumference 131958553.0427
Area 1.3856872644856E+15

Sphere

Radius = n
Volume 3.880267251968E+22
Surface area 5.5427490579424E+15
Circumference 131958553.0427

Square

Length = n
Perimeter 84007424
Area 441077955444736
Diagonal 29701109.590207

Cube

Length = n
Surface area 2646467732668416
Volume 9.2634557050248E+21
Space diagonal 36376281.645245

Equilateral Triangle

Length = n
Perimeter 63005568
Area 1.9099235723222E+14
Altitude 18188140.822623

Triangular Pyramid

Length = n
Surface area 1.9099235723222E+14
Volume 1.091708724374E+21
Height 9900369.8634023