65439985 (number)

65439985 is an odd 8-digits composite number following 65439984 and preceding 65439986. In scientific notation, it is written as 6.5439985 × 10^7. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 48324864 positive integers (up to 65439985) that are relatively prime to 65439985.

Interesting facts

Basic properties

Name

Name sixty-five million four hundred thirty-nine thousand nine hundred eighty-five

Notation

Scientific notation 6.5439985 × 10^7
Engineering notation 6.5439985 × 10^6

Prime Factorization of 65439985

Prime Factorization 65 × 1006769

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 65439985
Product of the distinct prime numbers

The prime factorization of 65439985 is 65 × 1006769. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 3, 72, 60, 657, 265, 1711, 7167, 60185, 98421, 417583, 178149, 4834860, 2483904, 85719914, 81047886, 793729879, 153801564, 4232731175, 8891762028

Basic calculations (n = 65439985)

Multiplication

n×y
n×2 130879970
n×3 196319955
n×4 261759940
n×5 327199925

Division

n÷y
n÷2 32719992.5
n÷3 21813328.333333
n÷3 16359996.25
n÷5 13087997

Exponentiation

ny
n2 4282391636800225
n3 2.8023964447633E+23
n4 1.8338878130937E+31
n5 1.2000959098053E+39

Nth Root

y√n
2√n 8089.4984393348
3√n 402.97774630979
4√n 89.941639074095
5√n 36.573678104711

Divisors of 65439985

1, 65, 1006769, 65439985

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 -65439984
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 65439985 can be divided by 4 positive divisors. The sum of these divisors (counting 65439985) is 1, the average is 0.25.

Base conversion 65439985

Base System Value
2 Binary 11111001101000100011110001
3 Ternary 11120010200210011
4 Quaternary 3321220203301
5 Quinary 113223034420
6 Senary 10254334521
8 Octal 371504361
10 Decimal 65439985
12 Duodecimal 19aba441
16 Hexadecimal 3e688f1
20 Vigesimal 108jjj5
36 Base36 12yltd

Cryptographic Hash Functions

md5 49ba50ee4f8cb00979388b27f9e5b376
sha1 9a999f0ec1686e9f73ad3135732b20778ac35a00
sha256 b88d7eb73981fc6e9af343dd95d46fbbdca198dee607e4575826e1de9d80dcaa
sha512 1a3d16188385f140b92fe44749a37503acfe23d779bd1a421f6f5a4ab63ee1cc93659f4280860d0cc932288336c9d09a97b2425a36205fd9234f2c9c3ab33890
ripemd-160 72e452d0c5449943394062f392e8e68c15aab1a9

65439985 as geometric shapes

Circle

Radius = n
Diameter 130879970
Circumference 411171552.25405
Area 1.3453530105966E+16

Sphere

Radius = n
Volume 1.1738650777753E+24
Surface area 5.3814120423864E+16
Circumference 411171552.25405

Square

Length = n
Perimeter 261759940
Area 4282391636800225
Diagonal 92546114.308492

Cube

Length = n
Surface area 25694349820801350
Volume 2.8023964447633E+23
Space diagonal 113345378.86655

Equilateral Triangle

Length = n
Perimeter 196319955
Area 1.8543299732115E+15
Altitude 56672689.433273

Triangular Pyramid

Length = n
Surface area 1.8543299732115E+15
Volume 3.3026558827754E+22
Height 30848704.769497