68909439 (number)

68909439 is an odd 8-digits composite number following 68909438 and preceding 68909440. In scientific notation, it is written as 6.8909439 × 10^7. The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors. There are 45939624 positive integers (up to 68909439) that are relatively prime to 68909439.

Interesting facts

Basic properties

Name

Name sixty-eight million nine hundred nine thousand four hundred thirty-nine

Notation

Scientific notation 6.8909439 × 10^7
Engineering notation 6.8909439 × 10^6

Prime Factorization of 68909439

Prime Factorization 3 × 22969813

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 68909439
Product of the distinct prime numbers

The prime factorization of 68909439 is 3 × 22969813. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 1, 59, 56, 20, 213, 6504, 4695, 47863, 12163, 762022, 536491, 3340181, 9659063, 46750277, 61720889, 591554130, 518983378, 3156383319, 1602477888

Basic calculations (n = 68909439)

Multiplication

n×y
n×2 137818878
n×3 206728317
n×4 275637756
n×5 344547195

Division

n÷y
n÷2 34454719.5
n÷3 22969813
n÷3 17227359.75
n÷5 13781887.8

Exponentiation

ny
n2 4748510783294721
n3 3.2721721416229E+23
n4 2.2548354659066E+31
n5 1.5537944699293E+39

Nth Root

y√n
2√n 8301.1709414998
3√n 409.97707387173
4√n 91.110761941166
5√n 36.95351400327

Divisors of 68909439

1, 3, 22969813, 68909439

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 -68909438
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 68909439 can be divided by 4 positive divisors. The sum of these divisors (counting 68909439) is 1, the average is 0.25.

Base conversion 68909439

Base System Value
2 Binary 100000110110111100101111111
3 Ternary 11210122221222110
4 Quaternary 10012313211333
5 Quinary 120120100224
6 Senary 10500545103
8 Octal 406674577
10 Decimal 68909439
12 Duodecimal 1b0b2193
16 Hexadecimal 41b797f
20 Vigesimal 11addbj
36 Base36 150yv3

Cryptographic Hash Functions

md5 30d5c8a0b8a290cd3d6c2bd31fb3b6a2
sha1 f977c8c9c4e31af19409dddc1e3b26c5cddb3272
sha256 265c01ce2ba385f25653ce5efe18e3b3564914300c153c14f6b4fb8f8a5e752e
sha512 ea43e35f12c53c77265b65fafa78407be36f896d10d048db385096bbe60aef0cf82f4d1444a7810eae1c302ba133e1fb32300a3914cb91ae428381dbe74b61d5
ripemd-160 66055a67080260761f8ea0faa8ddc3ea77ecf83b

68909439 as geometric shapes

Circle

Radius = n
Diameter 137818878
Circumference 432970774.65079
Area 1.4917886592291E+16

Sphere

Radius = n
Volume 1.3706442615205E+24
Surface area 5.9671546369162E+16
Circumference 432970774.65079

Square

Length = n
Perimeter 275637756
Area 4748510783294721
Diagonal 97452663.209321

Cube

Length = n
Surface area 28491064699768326
Volume 3.2721721416229E+23
Space diagonal 119354649.46907

Equilateral Triangle

Length = n
Perimeter 206728317
Area 2.0561654842388E+15
Altitude 59677324.734534

Triangular Pyramid

Length = n
Surface area 2.0561654842388E+15
Volume 3.8562918509188E+22
Height 32484221.069774