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

20688749 (number)

20688749 is an odd 8-digits composite number following 20688748 and preceding 20688750. In scientific notation, it is written as 2.0688749 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 20021340 positive integers (up to 20688749) that are relatively prime to 20688749.

Interesting facts

20688749 has 4 divisors, whose sum is 21356160
The reverse of 20688749 is 94788602
Previous prime number is 31

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8

Name

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

Notation

Scientific notation	2.0688749 × 10^7
Engineering notation	2.0688749 × 10^6

Prime Factorization of 20688749

Prime Factorization 31 × 667379

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20688749	Product of the distinct prime numbers

The prime factorization of 20688749 is 31 × 667379. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 7, 44, 8, 511, 541, 1132, 9692, 26618, 3398, 695115, 336079, 6919165, 4405887, 53475789, 52560017, 671962813, 95110763, 8759075014, 9256531358

Basic calculations (n = 20688749)

Multiplication

n×y

n×2	41377498
n×3	62066247
n×4	82754996
n×5	103443745

Division

n÷y

n÷2	10344374.5
n÷3	6896249.6666667
n÷3	5172187.25
n÷5	4137749.8

Exponentiation

n^y

n²	428024335185001
n³	8.8552880365344E+21
n⁴	1.8320483151056E+29
n⁵	3.7902787747093E+36

Nth Root

^y√n

²√n	4548.4886500903
³√n	274.52258322523
⁴√n	67.442484014828
⁵√n	29.050047452702

Divisors of 20688749

1, 31, 667379, 20688749

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20688748	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20688749 can be divided by 4 positive divisors. The sum of these divisors (counting 20688749) is 1, the average is 0.25.

Base conversion 20688749

Base	System	Value
2	Binary	1001110111010111101101101
3	Ternary	1102221002121222
4	Quaternary	1032322331231
5	Quinary	20244014444
6	Senary	2015233125
8	Octal	116727555
10	Decimal	20688749
12	Duodecimal	6b187a5
16	Hexadecimal	13baf6d
20	Vigesimal	6961h9
36	Base36	cbfjh

Cryptographic Hash Functions

md5	c1e0e6ba1811484df70b092a1ab34525
sha1	dc1334363e4a3e0496edf00fddf390fe3cc3a97a
sha256	a0f6b47ee2b0894ab55581765d73d3b774587b51baa14ef5810c3134b91bc040
sha512	3364b5871953071bea7ec9e33e4cc8ea9175b08d2487c9302250ff75d1c95f3f077ce35331854d2766828667228e47e3c97e081b63d0156d9b2fe7be1a0182fa
ripemd-160	fc40ed75285a61d405be37a77571249cdffa018f

20688749 as geometric shapes

Circle

Radius = n

Diameter	41377498
Circumference	129991243.74073
Area	1.3446781069749E+15

Sphere

Radius = n

Volume	3.7092943787997E+22
Surface area	5.3787124278994E+15
Circumference	129991243.74073

Square

Length = n

Perimeter	82754996
Area	428024335185001
Diagonal	29258309.424333

Cube

Length = n

Surface area	2568146011110006
Volume	8.8552880365344E+21
Space diagonal	35833964.41304

Equilateral Triangle

Length = n

Perimeter	62066247
Area	1.8533997385408E+14
Altitude	17916982.20652

Triangular Pyramid

Length = n

Surface area	1.8533997385408E+14
Volume	1.0436057033323E+21
Height	9752769.8081109