20407905 (number)

20407905 is an odd 8-digits composite number following 20407904 and preceding 20407906. In scientific notation, it is written as 2.0407905 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors. There are 8460288 positive integers (up to 20407905) that are relatively prime to 20407905.

Interesting facts

Basic properties

Name

Name twenty million four hundred seven thousand nine hundred five

Notation

Scientific notation 2.0407905 × 10^7
Engineering notation 2.0407905 × 10^6

Prime Factorization of 20407905

Prime Factorization 105 × 3 × 17 × 37 × 103

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20407905
Product of the distinct prime numbers

The prime factorization of 20407905 is 105 × 3 × 17 × 37 × 103. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 6, 40, 81, 539, 856, 8529, 9528, 14683, 79260, 692763, 659580, 9927725, 300831, 63724390, 49996464, 747052836, 959010019, 5955629620, 453010999

Basic calculations (n = 20407905)

Multiplication

n×y
n×2 40815810
n×3 61223715
n×4 81631620
n×5 102039525

Division

n÷y
n÷2 10203952.5
n÷3 6802635
n÷3 5101976.25
n÷5 4081581

Exponentiation

ny
n2 416482586489025
n3 8.4995370592223E+21
n4 1.7345774484859E+29
n5 3.5399091783842E+36

Nth Root

y√n
2√n 4517.5109297045
3√n 273.27473047957
4√n 67.21243136284
5√n 28.970746420793

Divisors of 20407905

1, 3, 17, 37, 51, 103, 105, 111, 309, 315, 629, 1751, 1785, 1887, 3811, 3885, 5253, 5355, 10815, 11433, 11655, 32445, 64787, 66045, 183855, 194361, 198135, 400155, 551565, 1200465, 6802635, 20407905

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 -20407904
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 20407905 can be divided by 32 positive divisors. The sum of these divisors (counting 20407905) is 1, the average is 0.03125.

Base conversion 20407905

Base System Value
2 Binary 1001101110110011001100001
3 Ternary 1102101211101100
4 Quaternary 1031312121201
5 Quinary 20211023110
6 Senary 2005225013
8 Octal 115663141
10 Decimal 20407905
12 Duodecimal 6a02169
16 Hexadecimal 1376661
20 Vigesimal 67ajf5
36 Base36 c5eu9

Cryptographic Hash Functions

md5 7f625908d65032989dad2c3840fe0030
sha1 b950cab9c48ca69563189371e54f64b4ed6c3fb4
sha256 c227bd0e7860efa235fff6f5312943728b3466e3d4d2914664ab64cb4581a428
sha512 bbd8831e62c05d3eaa39012ac1807d422d17f7fcfb24728655b4cfd3199327f6b815c9fbcf1d68fe1611523ef9b1df76b5013389509c5c23ae4cfde3f4fe973c
ripemd-160 f094c2a0060a2e1a41157ba68b66734bf601e9bb

20407905 as geometric shapes

Circle

Radius = n
Diameter 40815810
Circumference 128226648.84632
Area 1.308418634062E+15

Sphere

Radius = n
Volume 3.5602777578889E+22
Surface area 5.233674536248E+15
Circumference 128226648.84632

Square

Length = n
Perimeter 81631620
Area 416482586489025
Diagonal 28861136.030622

Cube

Length = n
Surface area 2498895518934150
Volume 8.4995370592223E+21
Space diagonal 35347528.336039

Equilateral Triangle

Length = n
Perimeter 61223715
Area 1.8034225006667E+14
Altitude 17673764.168019

Triangular Pyramid

Length = n
Surface area 1.8034225006667E+14
Volume 1.0016800485871E+21
Height 9620378.6768739