21097856 (number)

21097856 is an even 8-digits composite number following 21097855 and preceding 21097857. In scientific notation, it is written as 2.1097856 × 10^7. The sum of its digits is 38. It has a total of 9 prime factors and 32 positive divisors. There are 9400320 positive integers (up to 21097856) that are relatively prime to 21097856.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1097856 × 10^7
Engineering notation 2.1097856 × 10^6

Prime Factorization of 21097856

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5317 × 31

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 329654
Product of the distinct prime numbers

The prime factorization of 21097856 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5317 × 31. Since it has a total of 9 prime factors.

Most popular turbo-numbers

8, 5, 8, 54, 567, 509, 7377, 1067, 2182, 89738, 950904, 773404, 7631011, 4364516, 59383492, 37779417, 641898290, 206496849, 7715457117, 4076976146

Basic calculations (n = 21097856)

Multiplication

n×y
n×2 42195712
n×3 63293568
n×4 84391424
n×5 105489280

Division

n÷y
n÷2 10548928
n÷3 7032618.6666667
n÷3 5274464
n÷5 4219571.2

Exponentiation

ny
n2 445119527796736
n3 9.3910677002435E+21
n4 1.9813139402599E+29
n5 4.1801476202396E+36

Nth Root

y√n
2√n 4593.2402506292
3√n 276.32028909664
4√n 67.773447976543
5√n 29.164038625925

Divisors of 21097856

1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 5317, 10634, 21268, 42536, 85072, 164827, 170144, 329654, 340288, 659308, 680576, 1318616, 2637232, 5274464, 10548928, 21097856

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 -21097855
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 21097856 can be divided by 32 positive divisors. The sum of these divisors (counting 21097856) is 1, the average is 0.03125.

Base conversion 21097856

Base System Value
2 Binary 1010000011110110110000000
3 Ternary 1110200212211002
4 Quaternary 1100132312000
5 Quinary 20400112411
6 Senary 2032111132
8 Octal 120366600
10 Decimal 21097856
12 Duodecimal 70954a8
16 Hexadecimal 141ed80
20 Vigesimal 6bh4cg
36 Base36 ck77k

Cryptographic Hash Functions

md5 429c12d433ea12d11778c5ea72c2d444
sha1 38f7511601e155259529a5b2cb5b21c74dcff6a4
sha256 17150429778ab5a181a669b5e75b8e19b34e459ae62d313f37ad0cfa33ebd18c
sha512 fba46a8eafa05c73c037cc0a5ba19a05c832b2f39f86fa2fb5828a6a276cc1787eadff5201e306f6b1eb985ee287061d5e5e888aee25e40ac707fcbb9bca5365
ripemd-160 372d3936adf2dcf0d3c72f1459332dbb02f8b6a5

21097856 as geometric shapes

Circle

Radius = n
Diameter 42195712
Circumference 132561738.83219
Area 1.3983842384956E+15

Sphere

Radius = n
Volume 3.9337212395266E+22
Surface area 5.5935369539823E+15
Circumference 132561738.83219

Square

Length = n
Perimeter 84391424
Area 445119527796736
Diagonal 29836874.092195

Cube

Length = n
Surface area 2670717166780416
Volume 9.3910677002435E+21
Space diagonal 36542558.522772

Equilateral Triangle

Length = n
Perimeter 63293568
Area 1.9274240939625E+14
Altitude 18271279.261386

Triangular Pyramid

Length = n
Surface area 1.9274240939625E+14
Volume 1.1067479422374E+21
Height 9945624.6973982