20115720 (number)

20115720 is an even 8-digits composite number following 20115719 and preceding 20115721. In scientific notation, it is written as 2.0115720 × 10^7. The sum of its digits is 18. It has a total of 6 prime factors and 32 positive divisors. There are 5281920 positive integers (up to 20115720) that are relatively prime to 20115720.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifteen thousand seven hundred twenty

Notation

Scientific notation 2.0115720 × 10^7
Engineering notation 2.0115720 × 10^6

Prime Factorization of 20115720

Prime Factorization 2 × 2 × 2 × 639 × 5 × 787

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5028930
Product of the distinct prime numbers

The prime factorization of 20115720 is 2 × 2 × 2 × 639 × 5 × 787. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20115720)

Multiplication

n×y
n×2 40231440
n×3 60347160
n×4 80462880
n×5 100578600

Division

n÷y
n÷2 10057860
n÷3 6705240
n÷3 5028930
n÷5 4023144

Exponentiation

ny
n2 404642191118400
n3 8.1396690167242E+21
n4 1.637353028331E+29
n5 3.2936535059058E+36

Nth Root

y√n
2√n 4485.055183607
3√n 271.96427587341
4√n 66.97055460131
5√n 28.8873109545

Divisors of 20115720

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20115719
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20115720 can be divided by 32 positive divisors. The sum of these divisors (counting 20115720) is 1, the average is 0.03125.

Base conversion 20115720

Base System Value
2 Binary 1001100101111000100001000
3 Ternary 1101211222120200
4 Quaternary 1030233010020
5 Quinary 20122200340
6 Senary 1555052200
8 Octal 114570410
10 Decimal 20115720
12 Duodecimal 68a1060
16 Hexadecimal 132f108
20 Vigesimal 65e960
36 Base36 bz5e0

Cryptographic Hash Functions

md5 029c35070d4c9b074acea6046a0085ae
sha1 4171138cbb13a1dbc12c9f1ea76441218f7d389c
sha256 65acb7936e5a508403b3fadc8fb7b29171bedb2fd89f434bded342ff1e2e8cff
sha512 3769f72f2cf715996aeb50115b4802f8bdbe4002685e70bf717c19bfef6b4890e1b4f907cffb1f02041276f3dff48e4373fb8a12752fae19194c6fbed9221b74
ripemd-160 4982f99b02a77fe4df22c7bb4f51613fbd6e3243

20115720 as geometric shapes

Circle

Radius = n
Diameter 40231440
Circumference 126390796.34734
Area 1.27122093495E+15

Sphere

Radius = n
Volume 3.4095365847458E+22
Surface area 5.0848837398002E+15
Circumference 126390796.34734

Square

Length = n
Perimeter 80462880
Area 404642191118400
Diagonal 28447924.0409

Cube

Length = n
Surface area 2427853146710400
Volume 8.1396690167242E+21
Space diagonal 34841449.070829

Equilateral Triangle

Length = n
Perimeter 60347160
Area 1.7521520847577E+14
Altitude 17420724.535415

Triangular Pyramid

Length = n
Surface area 1.7521520847577E+14
Volume 9.5926919305662E+20
Height 9482641.3469666