20405940 (number)

20405940 is an even 8-digits composite number following 20405939 and preceding 20405941. In scientific notation, it is written as 2.0405940 × 10^7. The sum of its digits is 24. It has a total of 6 prime factors and 48 positive divisors. There are 5408640 positive integers (up to 20405940) that are relatively prime to 20405940.

Interesting facts

Basic properties

Name

Name twenty million four hundred five thousand nine hundred forty

Notation

Scientific notation 2.0405940 × 10^7
Engineering notation 2.0405940 × 10^6

Prime Factorization of 20405940

Prime Factorization 2 × 2 × 3 × 5 × 181 × 1879

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10202970
Product of the distinct prime numbers

The prime factorization of 20405940 is 2 × 2 × 3 × 5 × 181 × 1879. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 8, 58, 5, 672, 310, 7323, 2482, 40606, 24086, 951169, 937288, 2322623, 2709254, 90601210, 23172716, 317162106, 834046671, 3342330804, 1102924125

Basic calculations (n = 20405940)

Multiplication

n×y
n×2 40811880
n×3 61217820
n×4 81623760
n×5 102029700

Division

n÷y
n÷2 10202970
n÷3 6801980
n÷3 5101485
n÷5 4081188

Exponentiation

ny
n2 416402387283600
n3 8.4970821307659E+21
n4 1.7339094813548E+29
n5 3.5382052841957E+36

Nth Root

y√n
2√n 4517.2934374468
3√n 273.26595933458
4√n 67.210813396706
5√n 28.970188502581

Divisors of 20405940

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 181, 362, 543, 724, 905, 1086, 1810, 1879, 2172, 2715, 3620, 3758, 5430, 5637, 7516, 9395, 10860, 11274, 18790, 22548, 28185, 37580, 56370, 112740, 340099, 680198, 1020297, 1360396, 1700495, 2040594, 3400990, 4081188, 5101485, 6801980, 10202970, 20405940

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20405939
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20405940 can be divided by 48 positive divisors. The sum of these divisors (counting 20405940) is 1, the average is 0.020833333333333.

Base conversion 20405940

Base System Value
2 Binary 1001101110101111010110100
3 Ternary 1102101201200120
4 Quaternary 1031311322310
5 Quinary 20210442230
6 Senary 2005211540
8 Octal 115657264
10 Decimal 20405940
12 Duodecimal 6a00bb0
16 Hexadecimal 1375eb4
20 Vigesimal 67aeh0
36 Base36 c5dbo

Cryptographic Hash Functions

md5 0f56846d511a287591c1ae808d2adbe7
sha1 f0a4618cf16bf398f04b7490b886bddb1f2b01b5
sha256 e2e70024dceff639be51049d7df997f8c65781e2cf5401e71f27869877871e62
sha512 70476112e5cadd69cfec9d20cc79cffedb4c6547650c82193f61272bdaf6e42e59620dbf46c0778cc1215258eea2cc61f4e7cc113e8ed43338ded6d804f85ca8
ripemd-160 a8557170a7930a9cb432ad9fc522a853d834fbe5

20405940 as geometric shapes

Circle

Radius = n
Diameter 40811880
Circumference 128214302.38719
Area 1.3081666808274E+15

Sphere

Radius = n
Volume 3.5592494398618E+22
Surface area 5.2326667233096E+15
Circumference 128214302.38719

Square

Length = n
Perimeter 81623760
Area 416402387283600
Diagonal 28858357.100972

Cube

Length = n
Surface area 2498414323701600
Volume 8.4970821307659E+21
Space diagonal 35344124.856202

Equilateral Triangle

Length = n
Perimeter 61217820
Area 1.8030752279204E+14
Altitude 17672062.428101

Triangular Pyramid

Length = n
Surface area 1.8030752279204E+14
Volume 1.0013907324939E+21
Height 9619452.3669905