20145940 (number)

20145940 is an even 8-digits composite number following 20145939 and preceding 20145941. In scientific notation, it is written as 2.0145940 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors. There are 8058368 positive integers (up to 20145940) that are relatively prime to 20145940.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-five thousand nine hundred forty

Notation

Scientific notation 2.0145940 × 10^7
Engineering notation 2.0145940 × 10^6

Prime Factorization of 20145940

Prime Factorization 2 × 2 × 5 × 1007297

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10072970
Product of the distinct prime numbers

The prime factorization of 20145940 is 2 × 2 × 5 × 1007297. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 6, 60, 80, 406, 977, 7995, 1906, 87763, 86813, 19323, 303944, 9378065, 585040, 36422696, 21417500, 280297504, 212407829, 5393569927, 5110426504

Basic calculations (n = 20145940)

Multiplication

n×y
n×2 40291880
n×3 60437820
n×4 80583760
n×5 100729700

Division

n÷y
n÷2 10072970
n÷3 6715313.3333333
n÷3 5036485
n÷5 4029188

Exponentiation

ny
n2 405858898483600
n3 8.1764090173167E+21
n4 1.6472144547832E+29
n5 3.3184683573195E+36

Nth Root

y√n
2√n 4488.4228856025
3√n 272.10039906705
4√n 66.995693037706
5√n 28.895985269105

Divisors of 20145940

1, 2, 4, 5, 10, 20, 1007297, 2014594, 4029188, 5036485, 10072970, 20145940

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 -20145939
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 20145940 can be divided by 12 positive divisors. The sum of these divisors (counting 20145940) is 1, the average is 0.083333333333333.

Base conversion 20145940

Base System Value
2 Binary 1001100110110011100010100
3 Ternary 1101220112000221
4 Quaternary 1030312130110
5 Quinary 20124132230
6 Senary 1555444124
8 Octal 114663424
10 Decimal 20145940
12 Duodecimal 68b6644
16 Hexadecimal 1336714
20 Vigesimal 65i4h0
36 Base36 bzspg

Cryptographic Hash Functions

md5 f077b5263992750277b7075199f4d7fa
sha1 52a0690f6ef95b4bc1fce110f413ab2beb68c593
sha256 70f99a678b97374ebed0a6d1e1eb3b614273391db5e662c9c22edbb7b8b56671
sha512 721843d9636a15dceec645827b357d5354c97d2b310215384a11f8291f6e58dcfaab262a0a4674202febb3aa0b772995b18e0efc55c215f08ddda179899991b6
ripemd-160 6d8e9418068fab9c80ddbabd543f2923397ad0dd

20145940 as geometric shapes

Circle

Radius = n
Diameter 40291880
Circumference 126580674.20732
Area 1.2750433338701E+15

Sphere

Radius = n
Volume 3.4249262002063E+22
Surface area 5.1001733354805E+15
Circumference 126580674.20732

Square

Length = n
Perimeter 80583760
Area 405858898483600
Diagonal 28490661.574755

Cube

Length = n
Surface area 2435153390901600
Volume 8.1764090173167E+21
Space diagonal 34893791.646234

Equilateral Triangle

Length = n
Perimeter 60437820
Area 1.7574205821938E+14
Altitude 17446895.823117

Triangular Pyramid

Length = n
Surface area 1.7574205821938E+14
Volume 9.6359904364991E+20
Height 9496887.1915849