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

20997688 (number)

20997688 is an even 8-digits composite number following 20997687 and preceding 20997689. In scientific notation, it is written as 2.0997688 × 10^7. The sum of its digits is 49. It has a total of 4 prime factors and 8 positive divisors. There are 10498840 positive integers (up to 20997688) that are relatively prime to 20997688.

Interesting facts

20997688 has 8 divisors, whose sum is 39370680
The reverse of 20997688 is 88679902
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4

Name

Name	twenty million nine hundred ninety-seven thousand six hundred eighty-eight

Notation

Scientific notation	2.0997688 × 10^7
Engineering notation	2.0997688 × 10^6

Prime Factorization of 20997688

Prime Factorization 2 × 2 × 2 × 2624711

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	5249422	Product of the distinct prime numbers

The prime factorization of 20997688 is 2 × 2 × 2 × 2624711. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 8, 68, 96, 464, 3, 6748, 4057, 33973, 56520, 951494, 31337, 7955029, 8331402, 77554031, 73528735, 981991871, 304661587, 7760541092, 3062958264

Basic calculations (n = 20997688)

Multiplication

n×y

n×2	41995376
n×3	62993064
n×4	83990752
n×5	104988440

Division

n÷y

n÷2	10498844
n÷3	6999229.3333333
n÷3	5249422
n÷5	4199537.6

Exponentiation

n^y

n²	440902901345344
n³	9.2579415607443E+21
n⁴	1.9439536841474E+29
n⁵	4.0818532946178E+36

Nth Root

^y√n

²√n	4582.3234281312
³√n	275.88229245272
⁴√n	67.692860983498
⁵√n	29.136292989957

Divisors of 20997688

1, 2, 4, 8, 2624711, 5249422, 10498844, 20997688

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20997687	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20997688 can be divided by 8 positive divisors. The sum of these divisors (counting 20997688) is 1, the average is 0.125.

Base conversion 20997688

Base	System	Value
2	Binary	1010000000110011000111000
3	Ternary	1110111210102011
4	Quaternary	1100012120320
5	Quinary	20333411223
6	Senary	2030015304
8	Octal	120063070
10	Decimal	20997688
12	Duodecimal	7047534
16	Hexadecimal	1406638
20	Vigesimal	6b4e48
36	Base36	ci1x4

Cryptographic Hash Functions

md5	c1a5ec762caf0ec0f92e8a6be6396590
sha1	3d9160c6cb2822c8eeb25d2dc86551b9de8697ba
sha256	13077eee6ce6800c1dcc62dcfb2ff5a07c28a9bbe0080b79a96e774a61f44112
sha512	78460656177059b1517a030e07f326d68125eda761b7f880af48f06f0d6cfaaabb5a44165aaa443f8385ea24e3a4eac1e91cffe26b10aee07d27be2afde8ef3e
ripemd-160	3c132201debfcad5ce00dfffcf1cf79ba89185d5

20997688 as geometric shapes

Circle

Radius = n

Diameter	41995376
Circumference	131932364.72634
Area	1.385137315813E+15

Sphere

Radius = n

Volume	3.8779574926131E+22
Surface area	5.5405492632518E+15
Circumference	131932364.72634

Square

Length = n

Perimeter	83990752
Area	440902901345344
Diagonal	29695215.148079

Cube

Length = n

Surface area	2645417408072064
Volume	9.2579415607443E+21
Space diagonal	36369062.457479

Equilateral Triangle

Length = n

Perimeter	62993064
Area	1.9091655658367E+14
Altitude	18184531.22874

Triangular Pyramid

Length = n

Surface area	1.9091655658367E+14
Volume	1.0910588762385E+21
Height	9898405.0493596