20145890 (number)

20145890 is an even 8-digits composite number following 20145889 and preceding 20145891. In scientific notation, it is written as 2.0145890 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 7634160 positive integers (up to 20145890) that are relatively prime to 20145890.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0145890 × 10^7
Engineering notation 2.0145890 × 10^6

Prime Factorization of 20145890

Prime Factorization 2 × 5 × 19 × 106031

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20145890
Product of the distinct prime numbers

The prime factorization of 20145890 is 2 × 5 × 19 × 106031. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 10, 31, 1, 588, 10, 1863, 6037, 44582, 48988, 493791, 886238, 1320441, 5609725, 35118213, 30701905, 437215539, 132477979, 7703345586, 6962825598

Basic calculations (n = 20145890)

Multiplication

n×y
n×2 40291780
n×3 60437670
n×4 80583560
n×5 100729450

Division

n÷y
n÷2 10072945
n÷3 6715296.6666667
n÷3 5036472.5
n÷5 4029178

Exponentiation

ny
n2 405856883892100
n3 8.176348138633E+21
n4 1.6471981020261E+29
n5 3.3184271771626E+36

Nth Root

y√n
2√n 4488.4173157139
3√n 272.10017395914
4√n 66.995651468688
5√n 28.895970925761

Divisors of 20145890

1, 2, 5, 10, 19, 38, 95, 190, 106031, 212062, 530155, 1060310, 2014589, 4029178, 10072945, 20145890

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 -20145889
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 20145890 can be divided by 16 positive divisors. The sum of these divisors (counting 20145890) is 1, the average is 0.0625.

Base conversion 20145890

Base System Value
2 Binary 1001100110110011011100010
3 Ternary 1101220111222002
4 Quaternary 1030312123202
5 Quinary 20124132030
6 Senary 1555444002
8 Octal 114663342
10 Decimal 20145890
12 Duodecimal 68b6602
16 Hexadecimal 13366e2
20 Vigesimal 65i4ea
36 Base36 bzso2

Cryptographic Hash Functions

md5 2afd1d29b8999aae8a3c1fc1d5c483a2
sha1 ba7d173ae014a8ea9b911a9221274cab628a488e
sha256 000d090cdd856f2acd53963cb5058a1f8dd19e38f7fb0bd224c5a7cf587dfdbf
sha512 396796d8ba8d537544c950a1c230dba8a33f073db23d40d2e1d1a33d15e52eb452a4abf0535257fe0380951e81ed69921862f42120cc2532bc7594ca21c36b0f
ripemd-160 36f2a691df9c33e41d6a11c9be7df2b3f063ac76

20145890 as geometric shapes

Circle

Radius = n
Diameter 40291780
Circumference 126580360.04806
Area 1.2750370048443E+15

Sphere

Radius = n
Volume 3.4249006994029E+22
Surface area 5.1001480193771E+15
Circumference 126580360.04806

Square

Length = n
Perimeter 80583560
Area 405856883892100
Diagonal 28490590.864077

Cube

Length = n
Surface area 2435141303352600
Volume 8.176348138633E+21
Space diagonal 34893705.043694

Equilateral Triangle

Length = n
Perimeter 60437670
Area 1.7574118587567E+14
Altitude 17446852.521847

Triangular Pyramid

Length = n
Surface area 1.7574118587567E+14
Volume 9.6359186902824E+20
Height 9496863.6213588