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

66561389 (number)

66561389 is an odd 8-digits composite number following 66561388 and preceding 66561390. In scientific notation, it is written as 6.6561389 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 62990352 positive integers (up to 66561389) that are relatively prime to 66561389.

Interesting facts

66561389 has 8 divisors, whose sum is 70140000
The reverse of 66561389 is 98316566
Previous prime number is 1669

Basic properties

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

Name

Name	sixty-six million five hundred sixty-one thousand three hundred eighty-nine

Notation

Scientific notation	6.6561389 × 10^7
Engineering notation	6.6561389 × 10^6

Prime Factorization of 66561389

Prime Factorization 19 × 1669 × 2099

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	66561389	Product of the distinct prime numbers

The prime factorization of 66561389 is 19 × 1669 × 2099. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 8, 52, 59, 838, 134, 8816, 6708, 56015, 89079, 88137, 930053, 7268248, 7053206, 23561949, 52210581, 229559653, 837051478, 5939227923, 2128194945

Basic calculations (n = 66561389)

Multiplication

n×y

n×2	133122778
n×3	199684167
n×4	266245556
n×5	332806945

Division

n÷y

n÷2	33280694.5
n÷3	22187129.666667
n÷3	16640347.25
n÷5	13312277.8

Exponentiation

n^y

n²	4430418505609321
n³	2.9489480958466E+23
n⁴	1.9628608134846E+31
n⁵	1.306507421592E+39

Nth Root

^y√n

²√n	8158.5163479643
³√n	405.26658057579
⁴√n	90.324505799723
⁵√n	36.698175668866

Divisors of 66561389

1, 19, 1669, 2099, 31711, 39881, 3503231, 66561389

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	-66561388	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 66561389 can be divided by 8 positive divisors. The sum of these divisors (counting 66561389) is 1, the average is 0.125.

Base conversion 66561389

Base	System	Value
2	Binary	11111101111010010101101101
3	Ternary	11122020200001122
4	Quaternary	3331322111231
5	Quinary	114014431024
6	Senary	10334350325
8	Octal	375722555
10	Decimal	66561389
12	Duodecimal	1a35b3a5
16	Hexadecimal	3f7a56d
20	Vigesimal	10g0399
36	Base36	13mn3h

Cryptographic Hash Functions

md5	9bb729c2cdd39a24e8824dd19dc8b849
sha1	efd05738de2f964178642afbbfc2e9bb16e7de8a
sha256	c1a6a187287c30a05c25577641e332ad57ec43f592ff925479c8f4c5755eb223
sha512	b478a3709b4fb4d3ea8aae5e2632625aa6fd9f16d452870bc5e0e26689119ea701255dcf24b0837e6d6e5d72649deb0c3cd463e92ed23fe006da202b3d399a88
ripemd-160	6faf32aef430ec61034c317a6e547c4ae4019b71

66561389 as geometric shapes

Circle

Radius = n

Diameter	133122778
Circumference	418217541.39026
Area	1.3918570229551E+16

Sphere

Radius = n

Volume	1.2352524898306E+24
Surface area	5.5674280918202E+16
Circumference	418217541.39026

Square

Length = n

Perimeter	266245556
Area	4430418505609321
Diagonal	94132019.054191

Cube

Length = n

Surface area	26582511033655926
Volume	2.9489480958466E+23
Space diagonal	115287707.57036

Equilateral Triangle

Length = n

Perimeter	199684167
Area	1.9184274876272E+15
Altitude	57643853.785178

Triangular Pyramid

Length = n

Surface area	1.9184274876272E+15
Volume	3.4753686599005E+22
Height	31377339.68473