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

66493721 (number)

66493721 is an odd 8-digits composite number following 66493720 and preceding 66493722. In scientific notation, it is written as 6.6493721 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 56059920 positive integers (up to 66493721) that are relatively prime to 66493721.

Interesting facts

66493721 has 8 divisors, whose sum is 77239104
The reverse of 66493721 is 12739466
Previous prime number is 61

Basic properties

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

Name

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

Notation

Scientific notation	6.6493721 × 10^7
Engineering notation	6.6493721 × 10^6

Prime Factorization of 66493721

Prime Factorization 7 × 61 × 155723

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	66493721	Product of the distinct prime numbers

The prime factorization of 66493721 is 7 × 61 × 155723. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 6, 55, 45, 820, 250, 7334, 404, 25110, 97616, 588215, 868345, 7576556, 4988321, 42423181, 51787487, 70071720, 69427227, 9140640788, 858319755

Basic calculations (n = 66493721)

Multiplication

n×y

n×2	132987442
n×3	199481163
n×4	265974884
n×5	332468605

Division

n÷y

n÷2	33246860.5
n÷3	22164573.666667
n÷3	16623430.25
n÷5	13298744.2

Exponentiation

n^y

n²	4421414932425841
n³	2.9399633094196E+23
n⁴	1.9548910004678E+31
n⁵	1.2998797677052E+39

Nth Root

^y√n

²√n	8154.3682158706
³√n	405.12919924102
⁴√n	90.301540495556
⁵√n	36.690710973084

Divisors of 66493721

1, 7, 61, 427, 155723, 1090061, 9499103, 66493721

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	-66493720	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 66493721 can be divided by 8 positive divisors. The sum of these divisors (counting 66493721) is 1, the average is 0.125.

Base conversion 66493721

Base	System	Value
2	Binary	11111101101001110100011001
3	Ternary	11122010020020102
4	Quaternary	3331221310121
5	Quinary	114010244341
6	Senary	10333105145
8	Octal	375516431
10	Decimal	66493721
12	Duodecimal	1a3281b5
16	Hexadecimal	3f69d19
20	Vigesimal	10fbe61
36	Base36	13l6vt

Cryptographic Hash Functions

md5	5111a8b31e0c0a108199672d4ea78fba
sha1	dfa16fea211b5add2ead5d552bd466023a73f28f
sha256	547ecd58d626d599a57e32211df6f2fee98d11a38974152ae8422a1c5dfc8fcb
sha512	9ba7c08383f4e3a35773e00ad64b386dfc8143a472b072f2bc68267d2bcd89f02e1d505726101e87ff3250b24a2854f59677a1adbb0fb95788f1e45a11be4f69
ripemd-160	f4b2f46ce16d22ea3d0a2996f58fecd0466bacfd

66493721 as geometric shapes

Circle

Radius = n

Diameter	132987442
Circumference	417792370.8069
Area	1.3890284670181E+16

Sphere

Radius = n

Volume	1.2314889512928E+24
Surface area	5.5561138680725E+16
Circumference	417792370.8069

Square

Length = n

Perimeter	265974884
Area	4421414932425841
Diagonal	94036322.050853

Cube

Length = n

Surface area	26528489594555046
Volume	2.9399633094196E+23
Space diagonal	115170503.15631

Equilateral Triangle

Length = n

Perimeter	199481163
Area	1.9145288260763E+15
Altitude	57585251.578155

Triangular Pyramid

Length = n

Surface area	1.9145288260763E+15
Volume	3.4647799875504E+22
Height	31345440.683618