720 (number)

720 is an even 3-digits composite number following 719 and preceding 721. In scientific notation, it is written as 7.20 × 10^2. The sum of its digits is 9. It has a total of 6 prime factors and 20 positive divisors. There are 192 positive integers (up to 720) that are relatively prime to 720.

Interesting facts

Basic properties

Name

Name seven hundred twenty

Notation

Scientific notation 7.20 × 10^2
Engineering notation 7.20 × 10^0

Prime Factorization of 720

Prime Factorization 2 × 2 × 2 × 2 × 15 × 3

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 90
Product of the distinct prime numbers

The prime factorization of 720 is 2 × 2 × 2 × 2 × 15 × 3. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 720)

Multiplication

n×y
n×2 1440
n×3 2160
n×4 2880
n×5 3600

Division

n÷y
n÷2 360
n÷3 240
n÷3 180
n÷5 144

Exponentiation

ny
n2 518400
n3 373248000
n4 268738560000
n5 193491763200000

Nth Root

y√n
2√n 26.832815729997
3√n 8.9628094931143
4√n 5.1800401282227
5√n 3.7279192731914

Divisors of 720

1, 2, 3, 4, 6, 8, 12, 15, 16, 24, 30, 45, 48, 60, 90, 120, 180, 240, 360, 720

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -719
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 720 can be divided by 20 positive divisors. The sum of these divisors (counting 720) is 1, the average is 0.05.

Base conversion 720

Base System Value
2 Binary 1011010000
3 Ternary 222200
4 Quaternary 23100
5 Quinary 10340
6 Senary 3200
8 Octal 1320
10 Decimal 720
12 Duodecimal 500
16 Hexadecimal 2d0
20 Vigesimal 1g0
36 Base36 k0

Cryptographic Hash Functions

md5 5f2c22cb4a5380af7ca75622a6426917
sha1 aeaa8a872d9de96a7c8f7f1014fd6e4b1185f1d7
sha256 d829857eb1366e70be857a69886d1555af0d32681beab068afb93492c2e2b843
sha512 aa44d156de723af866de1d6db7bd7c77b5b8a233acac5c1540ef8d997b9e924d9e8fb52b0c906f8ea5b19275582515944c9f43f50f6808620054fe889c9fa39a
ripemd-160 e794ff409ad18798639c8e016e67b12e869597ea

720 as geometric shapes

Circle

Radius = n
Diameter 1440
Circumference 4523.8934211693
Area 1628601.6316209

Sphere

Radius = n
Volume 1563457566.3561
Surface area 6514406.5264838
Circumference 4523.8934211693

Square

Length = n
Perimeter 2880
Area 518400
Diagonal 1018.2337649086

Cube

Length = n
Surface area 3110400
Volume 373248000
Space diagonal 1247.0765814496

Equilateral Triangle

Length = n
Perimeter 2160
Area 224473.78466093
Altitude 623.5382907248

Triangular Pyramid

Length = n
Surface area 224473.78466093
Volume 43987698.644053
Height 339.41125496954