21490856 (number)

21490856 is an even 8-digits composite number following 21490855 and preceding 21490857. In scientific notation, it is written as 2.1490856 × 10^7. The sum of its digits is 35. It has a total of 6 prime factors and 32 positive divisors. There are 9762816 positive integers (up to 21490856) that are relatively prime to 21490856.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1490856 × 10^7
Engineering notation 2.1490856 × 10^6

Prime Factorization of 21490856

Prime Factorization 2 × 2 × 2 × 29 × 17 × 5449

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5372714
Product of the distinct prime numbers

The prime factorization of 21490856 is 2 × 2 × 2 × 29 × 17 × 5449. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 1, 30, 27, 305, 255, 800, 9900, 90140, 4468, 742206, 347742, 5046901, 647086, 206262, 27737997, 916519268, 406784748, 3756815086, 9560652375

Basic calculations (n = 21490856)

Multiplication

n×y
n×2 42981712
n×3 64472568
n×4 85963424
n×5 107454280

Division

n÷y
n÷2 10745428
n÷3 7163618.6666667
n÷3 5372714
n÷5 4298171.2

Exponentiation

ny
n2 461856891612736
n3 9.9256999502569E+21
n4 2.1331178833018E+29
n5 4.5842529261063E+36

Nth Root

y√n
2√n 4635.8231200079
3√n 278.0254621883
4√n 68.086879205967
5√n 29.271888542512

Divisors of 21490856

1, 2, 4, 8, 17, 29, 34, 58, 68, 116, 136, 232, 493, 986, 1972, 3944, 5449, 10898, 21796, 43592, 92633, 158021, 185266, 316042, 370532, 632084, 741064, 1264168, 2686357, 5372714, 10745428, 21490856

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 -21490855
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 21490856 can be divided by 32 positive divisors. The sum of these divisors (counting 21490856) is 1, the average is 0.03125.

Base conversion 21490856

Base System Value
2 Binary 1010001111110110010101000
3 Ternary 1111102211220122
4 Quaternary 1101332302220
5 Quinary 21000201411
6 Senary 2044342412
8 Octal 121766250
10 Decimal 21490856
12 Duodecimal 7244a08
16 Hexadecimal 147eca8
20 Vigesimal 6e672g
36 Base36 csmg8

Cryptographic Hash Functions

md5 84b84af13de23d135ded1b0e644bcf56
sha1 4031f1b076a397aa2dff04e7e3dbfb14a9b1695a
sha256 32c0453312d10c497954a5f5de6983f9944ed0ce64a6ee6019d604f5fbb7b5e7
sha512 01882d6753636cccebbb96b8a6a839608d42c6181b5d3f96d138fa89b58fd2324bf3c955c07b58117cd48bec9e351f52331592b43c806b0ba82f542041978eb7
ripemd-160 03268def45c608bf96eb9e2e2eb67a6c831d3267

21490856 as geometric shapes

Circle

Radius = n
Diameter 42981712
Circumference 135031030.65791
Area 1.4509662177004E+15

Sphere

Radius = n
Volume 4.1576674727285E+22
Surface area 5.8038648708016E+15
Circumference 135031030.65791

Square

Length = n
Perimeter 85963424
Area 461856891612736
Diagonal 30392660.022207

Cube

Length = n
Surface area 2771141349676416
Volume 9.9256999502569E+21
Space diagonal 37223254.490146

Equilateral Triangle

Length = n
Perimeter 64472568
Area 1.9998990052477E+14
Altitude 18611627.245073

Triangular Pyramid

Length = n
Surface area 1.9998990052477E+14
Volume 1.1697549571416E+21
Height 10130886.674069