20405946 (number)

20405946 is an even 8-digits composite number following 20405945 and preceding 20405947. In scientific notation, it is written as 2.0405946 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors. There are 6032000 positive integers (up to 20405946) that are relatively prime to 20405946.

Interesting facts

Basic properties

Name

Name twenty million four hundred five thousand nine hundred forty-six

Notation

Scientific notation 2.0405946 × 10^7
Engineering notation 2.0405946 × 10^6

Prime Factorization of 20405946

Prime Factorization 2 × 3 × 11 × 7541 × 41

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20405946
Product of the distinct prime numbers

The prime factorization of 20405946 is 2 × 3 × 11 × 7541 × 41. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 7, 82, 79, 772, 280, 7203, 7270, 66028, 63110, 468782, 215952, 5569361, 2844, 52821455, 19525305, 782970098, 100068175, 5532714582, 9309092955

Basic calculations (n = 20405946)

Multiplication

n×y
n×2 40811892
n×3 61217838
n×4 81623784
n×5 102029730

Division

n÷y
n÷2 10202973
n÷3 6801982
n÷3 5101486.5
n÷5 4081189.2

Exponentiation

ny
n2 416402632154916
n3 8.4970896260111E+21
n4 1.7339115206554E+29
n5 3.5382104859272E+36

Nth Root

y√n
2√n 4517.2941015612
3√n 273.26598611756
4√n 67.210818337238
5√n 28.970190206213

Divisors of 20405946

1, 2, 3, 6, 11, 22, 33, 41, 66, 82, 123, 246, 451, 902, 1353, 2706, 7541, 15082, 22623, 45246, 82951, 165902, 248853, 309181, 497706, 618362, 927543, 1855086, 3400991, 6801982, 10202973, 20405946

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20405945
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20405946 can be divided by 32 positive divisors. The sum of these divisors (counting 20405946) is 1, the average is 0.03125.

Base conversion 20405946

Base System Value
2 Binary 1001101110101111010111010
3 Ternary 1102101201200210
4 Quaternary 1031311322322
5 Quinary 20210442241
6 Senary 2005211550
8 Octal 115657272
10 Decimal 20405946
12 Duodecimal 6a00bb6
16 Hexadecimal 1375eba
20 Vigesimal 67aeh6
36 Base36 c5dbu

Cryptographic Hash Functions

md5 ae9ef2de4fda590b79baefc381810ac0
sha1 74241a9b6fd142390b71f907f470008b462cbe6b
sha256 7e4a64c6c36df9817eb6faadec0c6d3ffc06fbcf71e2b9bf16957e22013be6b9
sha512 3b68524d0ba62e06b1a9a292892862dc4d439cb0f4648005acb03811f9f785188b6dfb3e12431d4a0042dd0d7bf4a574a693d5c11f532c57296668568603f188
ripemd-160 efa1476ab35fd7433ea8d6b85d62f1f9e0fd75e0

20405946 as geometric shapes

Circle

Radius = n
Diameter 40811892
Circumference 128214340.0863
Area 1.3081674501133E+15

Sphere

Radius = n
Volume 3.5592525794627E+22
Surface area 5.2326698004533E+15
Circumference 128214340.0863

Square

Length = n
Perimeter 81623784
Area 416402632154916
Diagonal 28858365.586253

Cube

Length = n
Surface area 2498415792929496
Volume 8.4970896260111E+21
Space diagonal 35344135.248507

Equilateral Triangle

Length = n
Perimeter 61217838
Area 1.8030762882443E+14
Altitude 17672067.624253

Triangular Pyramid

Length = n
Surface area 1.8030762882443E+14
Volume 1.0013916158171E+21
Height 9619455.1954177