20146987 (number)

20146987 is an odd 8-digits composite number following 20146986 and preceding 20146988. In scientific notation, it is written as 2.0146987 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors. There are 17164896 positive integers (up to 20146987) that are relatively prime to 20146987.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-six thousand nine hundred eighty-seven

Notation

Scientific notation 2.0146987 × 10^7
Engineering notation 2.0146987 × 10^6

Prime Factorization of 20146987

Prime Factorization 7 × 7 × 179 × 2297

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2878141
Product of the distinct prime numbers

The prime factorization of 20146987 is 7 × 7 × 179 × 2297. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20146987)

Multiplication

n×y
n×2 40293974
n×3 60440961
n×4 80587948
n×5 100734935

Division

n÷y
n÷2 10073493.5
n÷3 6715662.3333333
n÷3 5036746.75
n÷5 4029397.4

Exponentiation

ny
n2 405901085178169
n3 8.1776838863705E+21
n4 1.6475569094882E+29
n5 3.3193307637218E+36

Nth Root

y√n
2√n 4488.5395174823
3√n 272.10511274108
4√n 66.996563475168
5√n 28.896285612178

Divisors of 20146987

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 -20146986
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 20146987 can be divided by 12 positive divisors. The sum of these divisors (counting 20146987) is 1, the average is 0.083333333333333.

Base conversion 20146987

Base System Value
2 Binary 1001100110110101100101011
3 Ternary 1101220120110201
4 Quaternary 1030312230223
5 Quinary 20124200422
6 Senary 1555453031
8 Octal 114665453
10 Decimal 20146987
12 Duodecimal 68b7177
16 Hexadecimal 1336b2b
20 Vigesimal 65i797
36 Base36 bztij

Cryptographic Hash Functions

md5 e10c19cdd752d08ef21733b1b1348624
sha1 1394cb1acf0dc160e71a12a74d04fb41cdf063bc
sha256 c223ed2646fa1db26cba97bf7a6376a912733e9df51657dc777a9d5bf80ee8db
sha512 437207b1fae7211920d7d762cea72c728ab1c622ea4b67376d56a6f3483dfb7656824343eb1e183d81db26a79dbddf635ef954e49110efc3efdca7a58bb72b0e
ripemd-160 9ad2476079eb9040c148d79ec51e5f7e2e703686

20146987 as geometric shapes

Circle

Radius = n
Diameter 40293974
Circumference 126587252.70234
Area 1.2751758672799E+15

Sphere

Radius = n
Volume 3.4254602161068E+22
Surface area 5.1007034691194E+15
Circumference 126587252.70234

Square

Length = n
Perimeter 80587948
Area 405901085178169
Diagonal 28492142.256354

Cube

Length = n
Surface area 2435406511069014
Volume 8.1776838863705E+21
Space diagonal 34895605.10343

Equilateral Triangle

Length = n
Perimeter 60440961
Area 1.7576032559398E+14
Altitude 17447802.551715

Triangular Pyramid

Length = n
Surface area 1.7576032559398E+14
Volume 9.6374928840875E+20
Height 9497380.7521181