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

66561387 (number)

66561387 is an odd 8-digits composite number following 66561386 and preceding 66561388. In scientific notation, it is written as 6.6561387 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 44350152 positive integers (up to 66561387) that are relatively prime to 66561387.

Interesting facts

66561387 has 8 divisors, whose sum is 88796736
The reverse of 66561387 is 78316566
Previous prime number is 2267

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6

Name

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

Notation

Scientific notation	6.6561387 × 10^7
Engineering notation	6.6561387 × 10^6

Prime Factorization of 66561387

Prime Factorization 3 × 2267 × 9787

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	66561387	Product of the distinct prime numbers

The prime factorization of 66561387 is 3 × 2267 × 9787. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 3, 78, 83, 699, 561, 9629, 6163, 90036, 84788, 339237, 191972, 8046093, 9016975, 30156239, 91897625, 161531419, 11998424, 4103826561, 1939624538

Basic calculations (n = 66561387)

Multiplication

n×y

n×2	133122774
n×3	199684161
n×4	266245548
n×5	332806935

Division

n÷y

n÷2	33280693.5
n÷3	22187129
n÷3	16640346.75
n÷5	13312277.4

Exponentiation

n^y

n²	4430418239363769
n³	2.9489478300215E+23
n⁴	1.9628605775687E+31
n⁵	1.3065072253059E+39

Nth Root

^y√n

²√n	8158.5162253929
³√n	405.26657651672
⁴√n	90.324505121218
⁵√n	36.698175448329

Divisors of 66561387

1, 3, 2267, 6801, 9787, 29361, 22187129, 66561387

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	-66561386	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 66561387 can be divided by 8 positive divisors. The sum of these divisors (counting 66561387) is 1, the average is 0.125.

Base conversion 66561387

Base	System	Value
2	Binary	11111101111010010101101011
3	Ternary	11122020200001120
4	Quaternary	3331322111223
5	Quinary	114014431022
6	Senary	10334350323
8	Octal	375722553
10	Decimal	66561387
12	Duodecimal	1a35b3a3
16	Hexadecimal	3f7a56b
20	Vigesimal	10g0397
36	Base36	13mn3f

Cryptographic Hash Functions

md5	993f0119c8f1f697db11223cebd53945
sha1	98cf291d8a23f17f5514a4e3a5b02737241ac9da
sha256	7bb328d982c4da60ccc5a9ae5923c6989a00b566291162fe67e3e7c3cde714f4
sha512	16561b5490867763e87513bff5e03d01dacd08a6674509cf554b552896627f7aa9efdf669fddf5337a409040c453c2891a9f3e2edc15a5fdcf64140de54526e6
ripemd-160	a96b86166648dc576205726eaca9ccad3a512e36

66561387 as geometric shapes

Circle

Radius = n

Diameter	133122774
Circumference	418217528.82389
Area	1.3918569393115E+16

Sphere

Radius = n

Volume	1.235252378482E+24
Surface area	5.5674277572462E+16
Circumference	418217528.82389

Square

Length = n

Perimeter	266245548
Area	4430418239363769
Diagonal	94132016.225764

Cube

Length = n

Surface area	26582509436182614
Volume	2.9489478300215E+23
Space diagonal	115287704.10625

Equilateral Triangle

Length = n

Perimeter	199684161
Area	1.9184273723395E+15
Altitude	57643852.053127

Triangular Pyramid

Length = n

Surface area	1.9184273723395E+15
Volume	3.4753683466226E+22
Height	31377338.741921