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

68640909 (number)

68640909 is an odd 8-digits composite number following 68640908 and preceding 68640910. In scientific notation, it is written as 6.8640909 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 45760604 positive integers (up to 68640909) that are relatively prime to 68640909.

Interesting facts

68640909 has 4 divisors, whose sum is 91521216
The reverse of 68640909 is 90904686
Previous prime number is 3

Basic properties

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

Name

Name	sixty-eight million six hundred forty thousand nine hundred nine

Notation

Scientific notation	6.8640909 × 10^7
Engineering notation	6.8640909 × 10^6

Prime Factorization of 68640909

Prime Factorization 3 × 22880303

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	68640909	Product of the distinct prime numbers

The prime factorization of 68640909 is 3 × 22880303. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 8, 36, 39, 532, 512, 5005, 9752, 45572, 10811, 53550, 14836, 6313700, 9099585, 19339157, 65813392, 202288630, 789171907, 26983384, 8626897507

Basic calculations (n = 68640909)

Multiplication

n×y

n×2	137281818
n×3	205922727
n×4	274563636
n×5	343204545

Division

n÷y

n÷2	34320454.5
n÷3	22880303
n÷3	17160227.25
n÷5	13728181.8

Exponentiation

n^y

n²	4711574388346281
n³	3.2340674883721E+23
n⁴	2.2198933216921E+31
n⁵	1.5237549548397E+39

Nth Root

^y√n

²√n	8284.9809293685
³√n	409.44384040537
⁴√n	91.021870610137
⁵√n	36.924668518201

Divisors of 68640909

1, 3, 22880303, 68640909

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	-68640908	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 68640909 can be divided by 4 positive divisors. The sum of these divisors (counting 68640909) is 1, the average is 0.25.

Base conversion 68640909

Base	System	Value
2	Binary	100000101110110000010001101
3	Ternary	11210011022121220
4	Quaternary	10011312002031
5	Quinary	120033002114
6	Senary	10451113553
8	Octal	405660215
10	Decimal	68640909
12	Duodecimal	1aba28b9
16	Hexadecimal	417608d
20	Vigesimal	1190259
36	Base36	14v7nx

Cryptographic Hash Functions

md5	3507e8c374ab57622de17a8c1810b87c
sha1	a63a00d1f84502a2db816c8956e27976ea333ddd
sha256	19798c5b549779936e1a949051cc3616ee387ce0d508028b1c6037028baea5a7
sha512	29d4da010f63f80245b8f890d906a443628d90d47b7e05c7fd09b4b2812715d7bb98fe8017b5089586cb7f196ae45f92e4e3e8684ac4d036cb8a8ddfdb8bb51d
ripemd-160	5c27d4bd464586d9ee210ac24db22da513e8d191

68640909 as geometric shapes

Circle

Radius = n

Diameter	137281818
Circumference	431283550.90025
Area	1.480184748527E+16

Sphere

Radius = n

Volume	1.3546830216911E+24
Surface area	5.9207389941082E+16
Circumference	431283550.90025

Square

Length = n

Perimeter	274563636
Area	4711574388346281
Diagonal	97072904.441417

Cube

Length = n

Surface area	28269446330077686
Volume	3.2340674883721E+23
Space diagonal	118889541.86571

Equilateral Triangle

Length = n

Perimeter	205922727
Area	2.040171556064E+15
Altitude	59444770.932856

Triangular Pyramid

Length = n

Surface area	2.040171556064E+15
Volume	3.8113850864047E+22
Height	32357634.813806