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

66709721 (number)

66709721 is an odd 8-digits composite number following 66709720 and preceding 66709722. In scientific notation, it is written as 6.6709721 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 61578192 positive integers (up to 66709721) that are relatively prime to 66709721.

Interesting facts

66709721 has 4 divisors, whose sum is 71841252
The reverse of 66709721 is 12790766
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

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

Notation

Scientific notation	6.6709721 × 10^7
Engineering notation	6.6709721 × 10^6

Prime Factorization of 66709721

Prime Factorization 13 × 5131517

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	66709721	Product of the distinct prime numbers

The prime factorization of 66709721 is 13 × 5131517. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 10, 88, 41, 566, 554, 3068, 1932, 87611, 84135, 657034, 417921, 9373216, 5238159, 31406687, 23714575, 582091412, 538598902, 5832927235, 3294461630

Basic calculations (n = 66709721)

Multiplication

n×y

n×2	133419442
n×3	200129163
n×4	266838884
n×5	333548605

Division

n÷y

n÷2	33354860.5
n÷3	22236573.666667
n÷3	16677430.25
n÷5	13341944.2

Exponentiation

n^y

n²	4450186875897841
n³	2.9687072488901E+23
n⁴	1.9804163230413E+31
n⁵	1.3211302037393E+39

Nth Root

^y√n

²√n	8167.6019124343
³√n	405.56740263829
⁴√n	90.374785822342
⁵√n	36.714517479056

Divisors of 66709721

1, 13, 5131517, 66709721

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	-66709720	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 66709721 can be divided by 4 positive divisors. The sum of these divisors (counting 66709721) is 1, the average is 0.25.

Base conversion 66709721

Base	System	Value
2	Binary	11111110011110100011011001
3	Ternary	11122112012112102
4	Quaternary	3332132203121
5	Quinary	114034202341
6	Senary	10341453145
8	Octal	376364331
10	Decimal	66709721
12	Duodecimal	1a4111b5
16	Hexadecimal	3f9e8d9
20	Vigesimal	10gie61
36	Base36	13ptjt

Cryptographic Hash Functions

md5	c7629d0d50d74b418e0a2fddbd64c32f
sha1	df3941ebb807b7b4218daa8f34d3ecfbf1e5072a
sha256	64496f090067c20ff18b1f1d8d7ee04c51aa70483fa417c2f626b5684b2aa458
sha512	73f9fd3879faa2ca3d3e2fbda9312726f791b61a3083124430e773898961c5233b8f01fb586fcacbb7b049c8ef73886096d3e660e61200303a11260271d96171
ripemd-160	14e379cea0671b03d8b52f0afe91d5e70ab849e5

66709721 as geometric shapes

Circle

Radius = n

Diameter	133419442
Circumference	419149538.83325
Area	1.3980674396422E+16

Sphere

Radius = n

Volume	1.2435291845029E+24
Surface area	5.5922697585689E+16
Circumference	419149538.83325

Square

Length = n

Perimeter	266838884
Area	4450186875897841
Diagonal	94341792.180325

Cube

Length = n

Surface area	26701121255387046
Volume	2.9687072488901E+23
Space diagonal	115544626.13074

Equilateral Triangle

Length = n

Perimeter	200129163
Area	1.9269874430578E+15
Altitude	57772313.065372

Triangular Pyramid

Length = n

Surface area	1.9269874430578E+15
Volume	3.4986550450797E+22
Height	31447264.060108