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

66406721 (number)

66406721 is an odd 8-digits composite number following 66406720 and preceding 66406722. In scientific notation, it is written as 6.6406721 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 65153712 positive integers (up to 66406721) that are relatively prime to 66406721.

Interesting facts

66406721 has 4 divisors, whose sum is 67659732
The reverse of 66406721 is 12760466
Previous prime number is 53

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

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

Notation

Scientific notation	6.6406721 × 10^7
Engineering notation	6.6406721 × 10^6

Prime Factorization of 66406721

Prime Factorization 53 × 1252957

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	66406721	Product of the distinct prime numbers

The prime factorization of 66406721 is 53 × 1252957. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 7, 83, 37, 611, 132, 1494, 5302, 89960, 35194, 274049, 14254, 7384026, 802393, 33817791, 33382831, 968324511, 702047679, 9992400789, 7379445049

Basic calculations (n = 66406721)

Multiplication

n×y

n×2	132813442
n×3	199220163
n×4	265626884
n×5	332033605

Division

n÷y

n÷2	33203360.5
n÷3	22135573.666667
n÷3	16601680.25
n÷5	13281344.2

Exponentiation

n^y

n²	4409852593971841
n³	2.9284385085901E+23
n⁴	1.944679990056E+31
n⁵	1.2913982153393E+39

Nth Root

^y√n

²√n	8149.0319056928
³√n	404.95243255799
⁴√n	90.271988488638
⁵√n	36.681104761474

Divisors of 66406721

1, 53, 1252957, 66406721

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	-66406720	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 66406721 can be divided by 4 positive divisors. The sum of these divisors (counting 66406721) is 1, the average is 0.25.

Base conversion 66406721

Base	System	Value
2	Binary	11111101010100100101000001
3	Ternary	11121221210220012
4	Quaternary	3331110211001
5	Quinary	114000003341
6	Senary	10331154305
8	Octal	375244501
10	Decimal	66406721
12	Duodecimal	1a2a5995
16	Hexadecimal	3f54941
20	Vigesimal	10f0gg1
36	Base36	13jbr5

Cryptographic Hash Functions

md5	b9f91d65cd8476d1ee3ce233ce6e63cc
sha1	db87c038d999392e4dabfcb39bcc50a90b1f69e6
sha256	9d1fc800d0e8cd96e43747d0b9bd8a96222652b38bc61e217fdefa8be2ff0be9
sha512	f83f26fa0b66a5a651c70f0d5a9565ba9a5b107b93d64a688e3b20e91a10629e0dc3f93a2eaa74544efe31100530e18590f95ed4342eaee1952f39eefae41f9f
ripemd-160	0cb61db3e240ee32b1336e3d5b99cbfdf66c8e0f

66406721 as geometric shapes

Circle

Radius = n

Diameter	132813442
Circumference	417245733.68517
Area	1.3853960512636E+16

Sphere

Radius = n

Volume	1.2266614540102E+24
Surface area	5.5415842050543E+16
Circumference	417245733.68517

Square

Length = n

Perimeter	265626884
Area	4409852593971841
Diagonal	93913285.470926

Cube

Length = n

Surface area	26459115563831046
Volume	2.9284385085901E+23
Space diagonal	115019814.73605

Equilateral Triangle

Length = n

Perimeter	199220163
Area	1.9095221866622E+15
Altitude	57509907.368026

Triangular Pyramid

Length = n

Surface area	1.9095221866622E+15
Volume	3.4511978795199E+22
Height	31304428.490309