20123487 (number)

20123487 is an odd 8-digits composite number following 20123486 and preceding 20123488. In scientific notation, it is written as 2.0123487 × 10^7. The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors. There are 13415652 positive integers (up to 20123487) that are relatively prime to 20123487.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-three thousand four hundred eighty-seven

Notation

Scientific notation 2.0123487 × 10^7
Engineering notation 2.0123487 × 10^6

Prime Factorization of 20123487

Prime Factorization 9 × 2235943

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20123487
Product of the distinct prime numbers

The prime factorization of 20123487 is 9 × 2235943. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20123487)

Multiplication

n×y
n×2 40246974
n×3 60370461
n×4 80493948
n×5 100617435

Division

n÷y
n÷2 10061743.5
n÷3 6707829
n÷3 5030871.75
n÷5 4024697.4

Exponentiation

ny
n2 404954729039169
n3 8.1491012254082E+21
n4 1.6398833257119E+29
n5 3.300017078648E+36

Nth Root

y√n
2√n 4485.9209756749
3√n 271.999274616
4√n 66.977018265035
5√n 28.889541380251

Divisors of 20123487

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 -20123486
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 20123487 can be divided by 4 positive divisors. The sum of these divisors (counting 20123487) is 1, the average is 0.25.

Base conversion 20123487

Base System Value
2 Binary 1001100110000111101011111
3 Ternary 1101212101020100
4 Quaternary 1030300331133
5 Quinary 20122422422
6 Senary 1555152143
8 Octal 114607537
10 Decimal 20123487
12 Duodecimal 68a5653
16 Hexadecimal 1330f5f
20 Vigesimal 65f8e7
36 Base36 bzbdr

Cryptographic Hash Functions

md5 2317ec09b3cd49b0bcbc204f154b91cd
sha1 c03eb68eda9d3a0bd8af0824f3f94270f000aa27
sha256 31605b0210c67a1e33e52e0b5735c72fcfa07bdfb595f42a4b70f4f8518348da
sha512 6e842960d8d3b03453a45662504666e39108ec5dbe58e4744016fe90b01b8a277e49ade3b5a050e75d66e527f9957b1daabea1d06534dba6c60975922f8b4ecc
ripemd-160 ff0ec01ec791e22a46ed94ed550f752f0e45a71c

20123487 as geometric shapes

Circle

Radius = n
Diameter 40246974
Circumference 126439597.84762
Area 1.2722028017859E+15

Sphere

Radius = n
Volume 3.4134875390803E+22
Surface area 5.0888112071436E+15
Circumference 126439597.84762

Square

Length = n
Perimeter 80493948
Area 404954729039169
Diagonal 28458908.237639

Cube

Length = n
Surface area 2429728374235014
Volume 8.1491012254082E+21
Space diagonal 34854901.909452

Equilateral Triangle

Length = n
Perimeter 60370461
Area 1.7535054136528E+14
Altitude 17427450.954726

Triangular Pyramid

Length = n
Surface area 1.7535054136528E+14
Volume 9.603807895103E+20
Height 9486302.7458796