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

20787949 (number)

20787949 is an odd 8-digits composite number following 20787948 and preceding 20787950. In scientific notation, it is written as 2.0787949 × 10^7. The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors. There are 15914880 positive integers (up to 20787949) that are relatively prime to 20787949.

Interesting facts

20787949 has 16 divisors, whose sum is 26414080
The reverse of 20787949 is 94978702
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1

Name

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

Notation

Scientific notation	2.0787949 × 10^7
Engineering notation	2.0787949 × 10^6

Prime Factorization of 20787949

Prime Factorization 7 × 31 × 13 × 7369

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	20787949	Product of the distinct prime numbers

The prime factorization of 20787949 is 7 × 31 × 13 × 7369. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 3, 74, 64, 980, 626, 3568, 2217, 62047, 92435, 567828, 718926, 562616, 3065239, 52860753, 21935818, 442739518, 2534982, 219282103, 6418652086

Basic calculations (n = 20787949)

Multiplication

n×y

n×2	41575898
n×3	62363847
n×4	83151796
n×5	103939745

Division

n÷y

n÷2	10393974.5
n÷3	6929316.3333333
n÷3	5196987.25
n÷5	4157589.8

Exponentiation

n^y

n²	432138823626601
n³	8.9832798264698E+21
n⁴	1.8674396288538E+29
n⁵	3.8820239765192E+36

Nth Root

^y√n

²√n	4559.3803307028
³√n	274.96065111927
⁴√n	67.523183653489
⁵√n	29.077852454083

Divisors of 20787949

1, 7, 13, 31, 91, 217, 403, 2821, 7369, 51583, 95797, 228439, 670579, 1599073, 2969707, 20787949

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20787948	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20787949 can be divided by 16 positive divisors. The sum of these divisors (counting 20787949) is 1, the average is 0.0625.

Base conversion 20787949

Base	System	Value
2	Binary	1001111010011001011101101
3	Ternary	1110010010201001
4	Quaternary	1033103023231
5	Quinary	20310203244
6	Senary	2021320301
8	Octal	117231355
10	Decimal	20787949
12	Duodecimal	6b66091
16	Hexadecimal	13d32ed
20	Vigesimal	69i9h9
36	Base36	cdk31

Cryptographic Hash Functions

md5	0873a21f1dbcdffe5cc0288453244763
sha1	7dd210c6f0ad62712f8ef02d28942aafa7ce8c53
sha256	2d084e4574bba9440dcd376eb6e71753853815008321d9b2de1d7f7b807dd3c9
sha512	366d1bb427f57b87dee10471f58cf9164c8e1f63a801d222fff2e655465b77676b51d632ad666c3539b6c2d42b58df98c4e3e13dad4e03d3836bd8d99912aed3
ripemd-160	be8a6f26225f70a356e0f1bb2c20130a8cdd68b1

20787949 as geometric shapes

Circle

Radius = n

Diameter	41575898
Circumference	130614535.7232
Area	1.3576041536363E+15

Sphere

Radius = n

Volume	3.7629074543972E+22
Surface area	5.4304166145451E+15
Circumference	130614535.7232

Square

Length = n

Perimeter	83151796
Area	432138823626601
Diagonal	29398599.40972

Cube

Length = n

Surface area	2592832941759606
Volume	8.9832798264698E+21
Space diagonal	36005783.853151

Equilateral Triangle

Length = n

Perimeter	62363847
Area	1.8712159961108E+14
Altitude	18002891.926575

Triangular Pyramid

Length = n

Surface area	1.8712159961108E+14
Volume	1.0586896804322E+21
Height	9799533.1365734