68449905 (number)

68449905 is an odd 8-digits composite number following 68449904 and preceding 68449906. In scientific notation, it is written as 6.8449905 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 34358784 positive integers (up to 68449905) that are relatively prime to 68449905.

Interesting facts

Basic properties

Name

Name sixty-eight million four hundred forty-nine thousand nine hundred five

Notation

Scientific notation 6.8449905 × 10^7
Engineering notation 6.8449905 × 10^6

Prime Factorization of 68449905

Prime Factorization 45 × 17 × 89477

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 68449905
Product of the distinct prime numbers

The prime factorization of 68449905 is 45 × 17 × 89477. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 7, 24, 27, 768, 305, 4623, 7926, 84640, 40030, 226517, 749317, 6074389, 6405638, 22930678, 82038830, 401300946, 496362407, 2786073580, 5094442766

Basic calculations (n = 68449905)

Multiplication

n×y
n×2 136899810
n×3 205349715
n×4 273799620
n×5 342249525

Division

n÷y
n÷2 34224952.5
n÷3 22816635
n÷3 17112476.25
n÷5 13689981

Exponentiation

ny
n2 4685389494509025
n3 3.2071446578714E+23
n4 2.1952874715256E+31
n5 1.5026721887361E+39

Nth Root

y√n
2√n 8273.4457754916
3√n 409.06370721486
4√n 90.958483801631
5√n 36.904095880745

Divisors of 68449905

1, 17, 45, 765, 89477, 1521109, 4026465, 68449905

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 -68449904
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 68449905 can be divided by 8 positive divisors. The sum of these divisors (counting 68449905) is 1, the average is 0.125.

Base conversion 68449905

Base System Value
2 Binary 100000101000111011001110001
3 Ternary 11202210121121200
4 Quaternary 10011013121301
5 Quinary 120010344110
6 Senary 10443041413
8 Octal 405073161
10 Decimal 68449905
12 Duodecimal 1ab10269
16 Hexadecimal 4147671
20 Vigesimal 117g4f5
36 Base36 14r4a9

Cryptographic Hash Functions

md5 60a76115c5048d22dfdf6a9c4f09422d
sha1 055f37687af8c7320ad242190952761a5033945e
sha256 3e80335f79bfb51731f43567eb033c4a6d1687f7df752088748c4af6d388d2fc
sha512 9993e71cb3c3197a3a9b30ba00a9927f87e49d22fbdab92d28716e93971fb6bdd88f2cd011469cbf42f5134b73af44a49bb95587347531119c19de9ebcff9568
ripemd-160 14fc98c3caa568d58709ad318a01cb96eefd76b0

68449905 as geometric shapes

Circle

Radius = n
Diameter 136899810
Circumference 430083437.37384
Area 1.4719585215156E+16

Sphere

Radius = n
Volume 1.3434056128225E+24
Surface area 5.8878340860625E+16
Circumference 430083437.37384

Square

Length = n
Perimeter 273799620
Area 4685389494509025
Diagonal 96802783.99415

Cube

Length = n
Surface area 28112336967054150
Volume 3.2071446578714E+23
Space diagonal 118558713.23326

Equilateral Triangle

Length = n
Perimeter 205349715
Area 2.0288331644348E+15
Altitude 59279356.616631

Triangular Pyramid

Length = n
Surface area 2.0288331644348E+15
Volume 3.7796562263785E+22
Height 32267594.664717