20045840 (number)

20045840 is an even 8-digits composite number following 20045839 and preceding 20045841. In scientific notation, it is written as 2.0045840 × 10^7. The sum of its digits is 23. It has a total of 8 prime factors and 80 positive divisors. There are 7572480 positive integers (up to 20045840) that are relatively prime to 20045840.

Interesting facts

Basic properties

Name

Name twenty million forty-five thousand eight hundred forty

Notation

Scientific notation 2.0045840 × 10^7
Engineering notation 2.0045840 × 10^6

Prime Factorization of 20045840

Prime Factorization 2 × 2 × 2 × 2 × 5 × 31 × 59 × 137

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2505730
Product of the distinct prime numbers

The prime factorization of 20045840 is 2 × 2 × 2 × 2 × 5 × 31 × 59 × 137. Since it has a total of 8 prime factors.

Most popular turbo-numbers

8, 4, 43, 91, 735, 631, 8703, 1327, 54847, 98253, 407038, 948087, 489316, 6857023, 97250184, 97484662, 736475917, 673788712, 2696893303, 3930405071

Basic calculations (n = 20045840)

Multiplication

n×y
n×2 40091680
n×3 60137520
n×4 80183360
n×5 100229200

Division

n÷y
n÷2 10022920
n÷3 6681946.6666667
n÷3 5011460
n÷5 4009168

Exponentiation

ny
n2 401835701305600
n3 8.0551341746598E+21
n4 1.6147193084376E+29
n5 3.2368404901851E+36

Nth Root

y√n
2√n 4477.2580895008
3√n 271.64898492737
4√n 66.912316426057
5√n 28.867212681317

Divisors of 20045840

1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 59, 62, 80, 118, 124, 137, 155, 236, 248, 274, 295, 310, 472, 496, 548, 590, 620, 685, 944, 1096, 1180, 1240, 1370, 1829, 2192, 2360, 2480, 2740, 3658, 4247, 4720, 5480, 7316, 8083, 8494, 9145, 10960, 14632, 16166, 16988, 18290, 21235, 29264, 32332, 33976, 36580, 40415, 42470, 64664, 67952, 73160, 80830, 84940, 129328, 146320, 161660, 169880, 250573, 323320, 339760, 501146, 646640, 1002292, 1252865, 2004584, 2505730, 4009168, 5011460, 10022920, 20045840

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20045839
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20045840 can be divided by 80 positive divisors. The sum of these divisors (counting 20045840) is 1, the average is 0.0125.

Base conversion 20045840

Base System Value
2 Binary 1001100011110000000010000
3 Ternary 1101201102201112
4 Quaternary 1030132000100
5 Quinary 20112431330
6 Senary 1553352452
8 Octal 114360020
10 Decimal 20045840
12 Duodecimal 6868728
16 Hexadecimal 131e010
20 Vigesimal 655ec0
36 Base36 bxngw

Cryptographic Hash Functions

md5 f4e51c3fd73230f33f131e71f0288494
sha1 19962749a5c9dc4c8a9f8771fdb002c457328bf6
sha256 83cb5bc511450d22d8e25fd98556001536212863227402f62dafb8885778c9af
sha512 2f97f622e92b0d57f3b34e25d51e7f0bc19391b739d5e8306870cf2bc02e0c248809637aafec50074368428d06a0b82b56dfa5056588b96f3e9a1b38eeeeebb3
ripemd-160 026841931f7398386e4e6b32b07bdf2442eb67ab

20045840 as geometric shapes

Circle

Radius = n
Diameter 40091680
Circumference 125951727.35807
Area 1.2624040871718E+15

Sphere

Radius = n
Volume 3.3741267129055E+22
Surface area 5.0496163486871E+15
Circumference 125951727.35807

Square

Length = n
Perimeter 80183360
Area 401835701305600
Diagonal 28349098.797161

Cube

Length = n
Surface area 2411014207833600
Volume 8.0551341746598E+21
Space diagonal 34720413.360397

Equilateral Triangle

Length = n
Perimeter 60137520
Area 1.7399996273909E+14
Altitude 17360206.680198

Triangular Pyramid

Length = n
Surface area 1.7399996273909E+14
Volume 9.4930666637825E+20
Height 9449699.5990537