20405871 (number)

20405871 is an odd 8-digits composite number following 20405870 and preceding 20405872. In scientific notation, it is written as 2.0405871 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 13559040 positive integers (up to 20405871) that are relatively prime to 20405871.

Interesting facts

Basic properties

Name

Name twenty million four hundred five thousand eight hundred seventy-one

Notation

Scientific notation 2.0405871 × 10^7
Engineering notation 2.0405871 × 10^6

Prime Factorization of 20405871

Prime Factorization 3 × 9 × 353 × 2141

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20405871
Product of the distinct prime numbers

The prime factorization of 20405871 is 3 × 9 × 353 × 2141. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 7, 25, 42, 892, 467, 1199, 9806, 9317, 56775, 18674, 39132, 7722062, 3588132, 31530486, 59501915, 990911698, 82533104, 6105823591, 5750032440

Basic calculations (n = 20405871)

Multiplication

n×y
n×2 40811742
n×3 61217613
n×4 81623484
n×5 102029355

Division

n÷y
n÷2 10202935.5
n÷3 6801957
n÷3 5101467.75
n÷5 4081174.2

Exponentiation

ny
n2 416399571268641
n3 8.4969959357632E+21
n4 1.7338860295271E+29
n5 3.5381454647232E+36

Nth Root

y√n
2√n 4517.2858001238
3√n 273.26565132994
4√n 67.210756580504
5√n 28.970168910779

Divisors of 20405871

1, 3, 9, 27, 353, 1059, 2141, 3177, 6423, 9531, 19269, 57807, 755773, 2267319, 6801957, 20405871

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20405870
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20405871 can be divided by 16 positive divisors. The sum of these divisors (counting 20405871) is 1, the average is 0.0625.

Base conversion 20405871

Base System Value
2 Binary 1001101110101111001101111
3 Ternary 1102101201121000
4 Quaternary 1031311321233
5 Quinary 20210441441
6 Senary 2005211343
8 Octal 115657157
10 Decimal 20405871
12 Duodecimal 6a00b53
16 Hexadecimal 1375e6f
20 Vigesimal 67aedb
36 Base36 c5d9r

Cryptographic Hash Functions

md5 83d56a13d33b1206df3e41736cc63117
sha1 6e549e6ca15bb29fb89ef9f24ced6ef5cd72460a
sha256 b4521298caa9464c09849e00320006c282c404f02d6b98a9ac3643a452f21fa2
sha512 648a3c9a5f111005bd26424d09acd737fb9dc15320d61ae514862b7a20e2aad9ac0f1411a84e156a51d5f097bf89bb5b865b6a065a383423ec2be9c0a48e7a92
ripemd-160 86ebaea354cf2f547257bf5fbc8a2c6a4b9ba763

20405871 as geometric shapes

Circle

Radius = n
Diameter 40811742
Circumference 128213868.8474
Area 1.3081578340555E+15

Sphere

Radius = n
Volume 3.5592133345835E+22
Surface area 5.232631336222E+15
Circumference 128213868.8474

Square

Length = n
Perimeter 81623484
Area 416399571268641
Diagonal 28858259.520236

Cube

Length = n
Surface area 2498397427611846
Volume 8.4969959357632E+21
Space diagonal 35344005.344696

Equilateral Triangle

Length = n
Perimeter 61217613
Area 1.803063034218E+14
Altitude 17672002.672348

Triangular Pyramid

Length = n
Surface area 1.803063034218E+14
Volume 1.0013805743154E+21
Height 9619419.8400786