68909520 (number)

68909520 is an even 8-digits composite number following 68909519 and preceding 68909521. In scientific notation, it is written as 6.8909520 × 10^7. The sum of its digits is 39. It has a total of 8 prime factors and 80 positive divisors. There are 17428480 positive integers (up to 68909520) that are relatively prime to 68909520.

Interesting facts

Basic properties

Name

Name sixty-eight million nine hundred nine thousand five hundred twenty

Notation

Scientific notation 6.8909520 × 10^7
Engineering notation 6.8909520 × 10^6

Prime Factorization of 68909520

Prime Factorization 2 × 2 × 2 × 2 × 15 × 41 × 47 × 149

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 8613690
Product of the distinct prime numbers

The prime factorization of 68909520 is 2 × 2 × 2 × 2 × 15 × 41 × 47 × 149. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68909520)

Multiplication

n×y
n×2 137819040
n×3 206728560
n×4 275638080
n×5 344547600

Division

n÷y
n÷2 34454760
n÷3 22969840
n÷3 17227380
n÷5 13781904

Exponentiation

ny
n2 4748521946630400
n3 3.2721836805177E+23
n4 2.2548460677631E+31
n5 1.5538036020344E+39

Nth Root

y√n
2√n 8301.1758203281
3√n 409.97723450831
4√n 91.110788715322
5√n 36.953522690711

Divisors of 68909520

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -68909519
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 68909520 can be divided by 80 positive divisors. The sum of these divisors (counting 68909520) is 1, the average is 0.0125.

Base conversion 68909520

Base System Value
2 Binary 100000110110111100111010000
3 Ternary 11210122222002110
4 Quaternary 10012313213100
5 Quinary 120120101040
6 Senary 10500545320
8 Octal 406674720
10 Decimal 68909520
12 Duodecimal 1b0b2240
16 Hexadecimal 41b79d0
20 Vigesimal 11addg0
36 Base36 150yxc

Cryptographic Hash Functions

md5 0e8192557916f254784c4a1f60e637d1
sha1 9cdc17cf82a214584def233d37d2300aab8c268d
sha256 8720568911ac6dd91db001ceebbe085411355052159ea6e29856e3b28ca88b69
sha512 0762dfda87d4342f51d3a87fd27d7708f71469ddd60d7c658ad7ffd4a293f7b725af18db6189fdd8712146bdead7a40161b5759a6bae7339e28d5e49b475f319
ripemd-160 b22c02d3bb6a5373e95530034d8bd8cfdfd0f1d1

68909520 as geometric shapes

Circle

Radius = n
Diameter 137819040
Circumference 432971283.5888
Area 1.4917921662944E+16

Sphere

Radius = n
Volume 1.3706490949214E+24
Surface area 5.9671686651776E+16
Circumference 432971283.5888

Square

Length = n
Perimeter 275638080
Area 4748521946630400
Diagonal 97452777.76062

Cube

Length = n
Surface area 28491131679782400
Volume 3.2721836805177E+23
Space diagonal 119354789.76518

Equilateral Triangle

Length = n
Perimeter 206728560
Area 2.0561703181049E+15
Altitude 59677394.882592

Triangular Pyramid

Length = n
Surface area 2.0561703181049E+15
Volume 3.8563054496367E+22
Height 32484259.25354