Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

20921664 (number)

20921664 is an even 8-digits composite number following 20921663 and preceding 20921665. In scientific notation, it is written as 2.0921664 × 10^7. The sum of its digits is 30. It has a total of 8 prime factors and 28 positive divisors. There are 6973824 positive integers (up to 20921664) that are relatively prime to 20921664.

Interesting facts

20921664 has 28 divisors, whose sum is 55355744
The reverse of 20921664 is 46612902
Previous prime number is 3

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3

Name

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

Notation

Scientific notation	2.0921664 × 10^7
Engineering notation	2.0921664 × 10^6

Prime Factorization of 20921664

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 3 × 108967

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	8	Total number of prime factors
rad	Radical	653802	Product of the distinct prime numbers

The prime factorization of 20921664 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 108967. Since it has a total of 8 prime factors.

Most popular turbo-numbers

9, 8, 15, 75, 756, 659, 7766, 8375, 39043, 53232, 341278, 421851, 8982140, 8391617, 47980593, 69138975, 917617084, 315695543, 2441630895, 5050208819

Basic calculations (n = 20921664)

Multiplication

n×y

n×2	41843328
n×3	62764992
n×4	83686656
n×5	104608320

Division

n÷y

n÷2	10460832
n÷3	6973888
n÷3	5230416
n÷5	4184332.8

Exponentiation

n^y

n²	437716024528896
n³	9.1577475926093E+21
n⁴	1.9159531812938E+29
n⁵	4.008492869876E+36

Nth Root

^y√n

²√n	4574.0205508939
³√n	275.54893767588
⁴√n	67.631505608658
⁵√n	29.115164259498

Divisors of 20921664

1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 108967, 217934, 326901, 435868, 653802, 871736, 1307604, 1743472, 2615208, 3486944, 5230416, 6973888, 10460832, 20921664

28 divisors

τ	Total Divisors	28	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20921663	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.035714285714286	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	28	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921664 can be divided by 28 positive divisors. The sum of these divisors (counting 20921664) is 1, the average is 0.035714285714286.

Base conversion 20921664

Base	System	Value
2	Binary	1001111110011110101000000
3	Ternary	1110100221010110
4	Quaternary	1033303311000
5	Quinary	20323443124
6	Senary	2024231320
8	Octal	117636500
10	Decimal	20921664
12	Duodecimal	700b540
16	Hexadecimal	13f3d40
20	Vigesimal	6af434
36	Base36	cgf9c

Cryptographic Hash Functions

md5	ef4c6aac6a45095296984b0108c5d459
sha1	0a6f165076342429e68c017b543ac00c1b4b6d78
sha256	154ff91d219aa5918a253e7d841e86c38240e4d862626b79064c262759af8566
sha512	eca4c66918a272d20648add9cba8af714db8e72b99fd3c04db60cc0ba719bd3ce20963b97a9b3d404a38fd5f6af04d95f4b8d25ec1e9f2361edd2b2613d6f464
ripemd-160	da6a0eb3e9dffaecdde6000fc58bf4cbcece829f

20921664 as geometric shapes

Circle

Radius = n

Diameter	41843328
Circumference	131454691.84655
Area	1.3751254470185E+15

Sphere

Radius = n

Volume	3.8359883413828E+22
Surface area	5.500501788074E+15
Circumference	131454691.84655

Square

Length = n

Perimeter	83686656
Area	437716024528896
Diagonal	29587700.976213

Cube

Length = n

Surface area	2626296147173376
Volume	9.1577475926093E+21
Space diagonal	36237385.026885

Equilateral Triangle

Length = n

Perimeter	62764992
Area	1.8953659844278E+14
Altitude	18118692.513442

Triangular Pyramid

Length = n

Surface area	1.8953659844278E+14
Volume	1.0792509038548E+21
Height	9862566.992071