20187890 (number)

20187890 is an even 8-digits composite number following 20187889 and preceding 20187891. In scientific notation, it is written as 2.0187890 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 8000640 positive integers (up to 20187890) that are relatively prime to 20187890.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-seven thousand eight hundred ninety

Notation

Scientific notation 2.0187890 × 10^7
Engineering notation 2.0187890 × 10^6

Prime Factorization of 20187890

Prime Factorization 2 × 5 × 109 × 18521

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20187890
Product of the distinct prime numbers

The prime factorization of 20187890 is 2 × 5 × 109 × 18521. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 10, 50, 38, 221, 970, 3864, 1580, 16368, 26722, 558441, 26812, 294242, 8934664, 3584654, 90200909, 319739903, 847898652, 9194173572, 8382923331

Basic calculations (n = 20187890)

Multiplication

n×y
n×2 40375780
n×3 60563670
n×4 80751560
n×5 100939450

Division

n÷y
n÷2 10093945
n÷3 6729296.6666667
n÷3 5046972.5
n÷5 4037578

Exponentiation

ny
n2 407550902652100
n3 8.2275927921413E+21
n4 1.6609773825254E+29
n5 3.3531628690911E+36

Nth Root

y√n
2√n 4493.0935890542
3√n 272.28913350504
4√n 67.030542210654
5√n 28.908009311513

Divisors of 20187890

1, 2, 5, 10, 109, 218, 545, 1090, 18521, 37042, 92605, 185210, 2018789, 4037578, 10093945, 20187890

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20187889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20187890 can be divided by 16 positive divisors. The sum of these divisors (counting 20187890) is 1, the average is 0.0625.

Base conversion 20187890

Base System Value
2 Binary 1001101000000101011110010
3 Ternary 1101222122120122
4 Quaternary 1031000223302
5 Quinary 20132003030
6 Senary 2000410242
8 Octal 115005362
10 Decimal 20187890
12 Duodecimal 6916982
16 Hexadecimal 1340af2
20 Vigesimal 6639ea
36 Base36 c0p2q

Cryptographic Hash Functions

md5 a8b1bae79dab82220575be0c071709e6
sha1 8b53b9ef3b454685428a26308217b37854dba9c1
sha256 bf7fda0bff876c74424f76eda06ce91f137fe7c6547d4949439af85d5d5c3d44
sha512 3e2a2033c4a3017633abd7249c9bd121a9c3c99c9460b01d7197f1520a3d108dae378d9a336543416dfafc4ebc29730486b03b7d09b65685b8182ff9bad71bc2
ripemd-160 b7f6917fe0177d4bd3b78db34babd17987e836b8

20187890 as geometric shapes

Circle

Radius = n
Diameter 40375780
Circumference 126844253.83096
Area 1.2803589217357E+15

Sphere

Radius = n
Volume 3.4463660096693E+22
Surface area 5.1214356869429E+15
Circumference 126844253.83096

Square

Length = n
Perimeter 80751560
Area 407550902652100
Diagonal 28549987.833696

Cube

Length = n
Surface area 2445305415912600
Volume 8.2275927921413E+21
Space diagonal 34966451.177612

Equilateral Triangle

Length = n
Perimeter 60563670
Area 1.76474717516E+14
Altitude 17483225.588806

Triangular Pyramid

Length = n
Surface area 1.76474717516E+14
Volume 9.6963110936078E+20
Height 9516662.6112321