20115845 (number)

20115845 is an odd 8-digits composite number following 20115844 and preceding 20115846. In scientific notation, it is written as 2.0115845 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors. There are 15144960 positive integers (up to 20115845) that are relatively prime to 20115845.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifteen thousand eight hundred forty-five

Notation

Scientific notation 2.0115845 × 10^7
Engineering notation 2.0115845 × 10^6

Prime Factorization of 20115845

Prime Factorization 5 × 17 × 17 × 13921

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1183285
Product of the distinct prime numbers

The prime factorization of 20115845 is 5 × 17 × 17 × 13921. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20115845)

Multiplication

n×y
n×2 40231690
n×3 60347535
n×4 80463380
n×5 100579225

Division

n÷y
n÷2 10057922.5
n÷3 6705281.6666667
n÷3 5028961.25
n÷5 4023169

Exponentiation

ny
n2 404647220064025
n3 8.1398207584888E+21
n4 1.6373937270554E+29
n5 3.2937558417419E+36

Nth Root

y√n
2√n 4485.0691187539
3√n 271.96483920504
4√n 66.970658640586
5√n 28.887346855824

Divisors of 20115845

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20115844
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20115845 can be divided by 12 positive divisors. The sum of these divisors (counting 20115845) is 1, the average is 0.083333333333333.

Base conversion 20115845

Base System Value
2 Binary 1001100101111000110000101
3 Ternary 1101211222202022
4 Quaternary 1030233012011
5 Quinary 20122201340
6 Senary 1555052525
8 Octal 114570605
10 Decimal 20115845
12 Duodecimal 68a1145
16 Hexadecimal 132f185
20 Vigesimal 65e9c5
36 Base36 bz5hh

Cryptographic Hash Functions

md5 2708bf0729a3a9b1bc0670fa1aeb766a
sha1 8622216915ad99b52f4b633c0293caca6ffd195d
sha256 61d4a545c342185024e8bcc22a7731ba511cd67ea336a78ece80c26ff3d87ff6
sha512 07d0b426f787a8a4a5d9075b93104c6b367c01825c6e40ae4821ccf13d64eacf055b1cc69cf41c9b6a564bcd510b840b656828c5a07b1a0238d2105d9e98ee5e
ripemd-160 eb0b3323f5cc7ec4b2c3b7b92b497580a8ae47b8

20115845 as geometric shapes

Circle

Radius = n
Diameter 40231690
Circumference 126391581.7455
Area 1.2712367338487E+15

Sphere

Radius = n
Volume 3.4096001461875E+22
Surface area 5.0849469353947E+15
Circumference 126391581.7455

Square

Length = n
Perimeter 80463380
Area 404647220064025
Diagonal 28448100.817595

Cube

Length = n
Surface area 2427883320384150
Volume 8.1398207584888E+21
Space diagonal 34841665.57718

Equilateral Triangle

Length = n
Perimeter 60347535
Area 1.752173860731E+14
Altitude 17420832.78859

Triangular Pyramid

Length = n
Surface area 1.752173860731E+14
Volume 9.5928707599508E+20
Height 9482700.2725317