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

66388081 (number)

66388081 is an odd 8-digits composite number following 66388080 and preceding 66388082. In scientific notation, it is written as 6.6388081 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 64152000 positive integers (up to 66388081) that are relatively prime to 66388081.

Interesting facts

66388081 has 8 divisors, whose sum is 68630528
The reverse of 66388081 is 18088366
Previous prime number is 31

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4

Name

Name	sixty-six million three hundred eighty-eight thousand eighty-one

Notation

Scientific notation	6.6388081 × 10^7
Engineering notation	6.6388081 × 10^6

Prime Factorization of 66388081

Prime Factorization 991 × 31 × 2161

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	66388081	Product of the distinct prime numbers

The prime factorization of 66388081 is 991 × 31 × 2161. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 4, 75, 22, 381, 594, 7163, 2763, 84838, 45827, 740189, 81177, 5129949, 8512000, 41557560, 47586213, 151332271, 26903371, 1111483120, 1168508982

Basic calculations (n = 66388081)

Multiplication

n×y

n×2	132776162
n×3	199164243
n×4	265552324
n×5	331940405

Division

n÷y

n÷2	33194040.5
n÷3	22129360.333333
n÷3	16597020.25
n÷5	13277616.2

Exponentiation

n^y

n²	4407377298862561
n³	2.9259732111445E+23
n⁴	1.9424974654529E+31
n⁵	1.2895867907878E+39

Nth Root

^y√n

²√n	8147.888131289
³√n	404.91453970821
⁴√n	90.265653109524
⁵√n	36.679045293506

Divisors of 66388081

1, 31, 991, 2161, 30721, 66991, 2141551, 66388081

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	-66388080	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 66388081 can be divided by 8 positive divisors. The sum of these divisors (counting 66388081) is 1, the average is 0.125.

Base conversion 66388081

Base	System	Value
2	Binary	11111101010000000001110001
3	Ternary	11121220212022211
4	Quaternary	3331100001301
5	Quinary	113443404311
6	Senary	10330532121
8	Octal	375200161
10	Decimal	66388081
12	Duodecimal	1a297041
16	Hexadecimal	3f50071
20	Vigesimal	10eia41
36	Base36	13ixdd

Cryptographic Hash Functions

md5	c41e176f7172b6cd352946dff6a89f74
sha1	0e2f7c99070bdd781ce81af4062f2c782f3a2d1b
sha256	9702dcdb912088ad12f6986aa5b7e8873b4b655cdccf06a1e629007d8e123f44
sha512	f6d6703f5b88ba89b2c467655da9bad48169ce1021a3d714fa0bbff962c21785d5e08ffaf545b4ffe93f999a91f4ce98c9ffef93cdfc71cb6aabe90b0df60d4a
ripemd-160	82944e7463c85605a0e50b7829e219e7c13f6e07

66388081 as geometric shapes

Circle

Radius = n

Diameter	132776162
Circumference	417128615.11105
Area	1.3846184143705E+16

Sphere

Radius = n

Volume	1.2256287926309E+24
Surface area	5.538473657482E+16
Circumference	417128615.11105

Square

Length = n

Perimeter	265552324
Area	4407377298862561
Diagonal	93886924.530124

Cube

Length = n

Surface area	26444263793175366
Volume	2.9259732111445E+23
Space diagonal	114987529.309

Equilateral Triangle

Length = n

Perimeter	199164243
Area	1.9084503524389E+15
Altitude	57493764.654499

Triangular Pyramid

Length = n

Surface area	1.9084503524389E+15
Volume	3.4482924986174E+22
Height	31295641.510041