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

20991664 (number)

20991664 is an even 8-digits composite number following 20991663 and preceding 20991665. In scientific notation, it is written as 2.0991664 × 10^7. The sum of its digits is 37. It has a total of 6 prime factors and 20 positive divisors. There are 10439360 positive integers (up to 20991664) that are relatively prime to 20991664.

Interesting facts

20991664 has 20 divisors, whose sum is 40890240
The reverse of 20991664 is 46619902
Previous prime number is 191

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1

Name

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

Notation

Scientific notation	2.0991664 × 10^7
Engineering notation	2.0991664 × 10^6

Prime Factorization of 20991664

Prime Factorization 2 × 2 × 2 × 2 × 191 × 6869

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	6	Total number of prime factors
rad	Radical	2623958	Product of the distinct prime numbers

The prime factorization of 20991664 is 2 × 2 × 2 × 2 × 191 × 6869. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 6, 66, 2, 484, 340, 1206, 6302, 52311, 55641, 930851, 119706, 4932270, 2112455, 46056702, 2900540, 377922450, 220734213, 1984607003, 8979544931

Basic calculations (n = 20991664)

Multiplication

n×y

n×2	41983328
n×3	62974992
n×4	83966656
n×5	104958320

Division

n÷y

n÷2	10495832
n÷3	6997221.3333333
n÷3	5247916
n÷5	4198332.8

Exponentiation

n^y

n²	440649957488896
n³	9.2499758492212E+21
n⁴	1.9417238503497E+29
n⁵	4.0760014647326E+36

Nth Root

^y√n

²√n	4581.6660725112
³√n	275.85590742272
⁴√n	67.688005381391
⁵√n	29.134621023272

Divisors of 20991664

1, 2, 4, 8, 16, 191, 382, 764, 1528, 3056, 6869, 13738, 27476, 54952, 109904, 1311979, 2623958, 5247916, 10495832, 20991664

20 divisors

τ	Total Divisors	20	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20991663	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.05	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	20	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20991664 can be divided by 20 positive divisors. The sum of these divisors (counting 20991664) is 1, the average is 0.05.

Base conversion 20991664

Base	System	Value
2	Binary	1010000000100111010110000
3	Ternary	1110111111011001
4	Quaternary	1100010322300
5	Quinary	20333213124
6	Senary	2025531344
8	Octal	120047260
10	Decimal	20991664
12	Duodecimal	7043b54
16	Hexadecimal	1404eb0
20	Vigesimal	6b3j34
36	Base36	chx9s

Cryptographic Hash Functions

md5	fcff93b08353ba91cfe1484374cb55ed
sha1	1d3fb75c925ab8bedd5706abd3119b2fa6910726
sha256	60b46051958ec97fe0137ac3bd1efa5b6849b8b39f5ecee613d5ce714658e195
sha512	be8575b5f0b10492d1cac446e514a5a8ca25d95763c5b823cba178730b26590eb86b32ae2655f03d33f9e13ff8a82991199fc491cdee5b5a0ca9b805aacf32f2
ripemd-160	6211766937cacb1d225c88b74a92e849427052e3

20991664 as geometric shapes

Circle

Radius = n

Diameter	41983328
Circumference	131894514.81805
Area	1.3843426692518E+15

Sphere

Radius = n

Volume	3.8746208231728E+22
Surface area	5.5373706770071E+15
Circumference	131894514.81805

Square

Length = n

Perimeter	83966656
Area	440649957488896
Diagonal	29686695.925579

Cube

Length = n

Surface area	2643899744933376
Volume	9.2499758492212E+21
Space diagonal	36358628.583415

Equilateral Triangle

Length = n

Perimeter	62974992
Area	1.9080702868096E+14
Altitude	18179314.291707

Triangular Pyramid

Length = n

Surface area	1.9080702868096E+14
Volume	1.0901201081327E+21
Height	9895565.3085264