21909664 (number)

21909664 is an even 8-digits composite number following 21909663 and preceding 21909665. In scientific notation, it is written as 2.1909664 × 10^7. The sum of its digits is 37. It has a total of 9 prime factors and 72 positive divisors. There are 9225216 positive integers (up to 21909664) that are relatively prime to 21909664.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred nine thousand six hundred sixty-four

Notation

Scientific notation 2.1909664 × 10^7
Engineering notation 2.1909664 × 10^6

Prime Factorization of 21909664

Prime Factorization 2 × 2 × 2 × 2 × 2 × 7 × 7 × 89 × 157

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 195622
Product of the distinct prime numbers

The prime factorization of 21909664 is 2 × 2 × 2 × 2 × 2 × 7 × 7 × 89 × 157. Since it has a total of 9 prime factors.

Most popular turbo-numbers

5, 7, 34, 66, 830, 737, 9297, 5935, 56566, 46693, 183907, 448470, 9399345, 2911476, 3428830, 31886293, 499509052, 484136189, 6919641693, 6134318768

Basic calculations (n = 21909664)

Multiplication

n×y
n×2 43819328
n×3 65728992
n×4 87638656
n×5 109548320

Division

n÷y
n÷2 10954832
n÷3 7303221.3333333
n÷3 5477416
n÷5 4381932.8

Exponentiation

ny
n2 480033376592896
n3 1.0517369989936E+22
n4 2.3043204264318E+29
n5 5.0486886291457E+36

Nth Root

y√n
2√n 4680.7760040404
3√n 279.81988416157
4√n 68.416196942247
5√n 29.385098003063

Divisors of 21909664

1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 89, 98, 112, 157, 178, 196, 224, 314, 356, 392, 623, 628, 712, 784, 1099, 1246, 1256, 1424, 1568, 2198, 2492, 2512, 2848, 4361, 4396, 4984, 5024, 7693, 8722, 8792, 9968, 13973, 15386, 17444, 17584, 19936, 27946, 30772, 34888, 35168, 55892, 61544, 69776, 97811, 111784, 123088, 139552, 195622, 223568, 246176, 391244, 447136, 684677, 782488, 1369354, 1564976, 2738708, 3129952, 5477416, 10954832, 21909664

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21909663
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21909664 can be divided by 72 positive divisors. The sum of these divisors (counting 21909664) is 1, the average is 0.013888888888889.

Base conversion 21909664

Base System Value
2 Binary 1010011100101000010100000
3 Ternary 1112020010102001
4 Quaternary 1103211002200
5 Quinary 21102102124
6 Senary 2101333344
8 Octal 123450240
10 Decimal 21909664
12 Duodecimal 7407254
16 Hexadecimal 14e50a0
20 Vigesimal 6gie34
36 Base36 d1lls

Cryptographic Hash Functions

md5 ea038d58bbab3a90b4cbc5c09474897b
sha1 a7a369e76d9c34b865f4446e4a4da7c1b9e4a66c
sha256 5cfe51249de6971b4434504dab641a2ab4d3845b64cd9f42d021521c75240f06
sha512 4c99da3f350f901df5d690461b7ab21e32ee391fd9903d7e3245f32053edd02ca98aa8b3e357b1740ca74c19161d30c9a5c601488075caded0fb2a7934303323
ripemd-160 a01064649502058a6d42c0b40726a6e126d7d36c

21909664 as geometric shapes

Circle

Radius = n
Diameter 43819328
Circumference 137662478.93004
Area 1.5080693293821E+15

Sphere

Radius = n
Volume 4.4055056393957E+22
Surface area 6.0322773175286E+15
Circumference 137662478.93004

Square

Length = n
Perimeter 87638656
Area 480033376592896
Diagonal 30984943.975838

Cube

Length = n
Surface area 2880200259557376
Volume 1.0517369989936E+22
Space diagonal 37948651.224763

Equilateral Triangle

Length = n
Perimeter 65728992
Area 2.0786054939694E+14
Altitude 18974325.612381

Triangular Pyramid

Length = n
Surface area 2.0786054939694E+14
Volume 1.2394839400219E+21
Height 10328314.658613