20405901 (number)

20405901 is an odd 8-digits composite number following 20405900 and preceding 20405902. In scientific notation, it is written as 2.0405901 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 13347152 positive integers (up to 20405901) that are relatively prime to 20405901.

Interesting facts

Basic properties

Name

Name twenty million four hundred five thousand nine hundred one

Notation

Scientific notation 2.0405901 × 10^7
Engineering notation 2.0405901 × 10^6

Prime Factorization of 20405901

Prime Factorization 3 × 53 × 128339

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20405901
Product of the distinct prime numbers

The prime factorization of 20405901 is 3 × 53 × 128339. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20405901)

Multiplication

n×y
n×2 40811802
n×3 61217703
n×4 81623604
n×5 102029505

Division

n÷y
n÷2 10202950.5
n÷3 6801967
n÷3 5101475.25
n÷5 4081180.2

Exponentiation

ny
n2 416400795621801
n3 8.4970334117797E+21
n4 1.7338962259447E+29
n5 3.5381714730901E+36

Nth Root

y√n
2√n 4517.2891207006
3√n 273.26578524509
4√n 67.210781283218
5√n 28.97017742896

Divisors of 20405901

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20405900
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20405901 can be divided by 8 positive divisors. The sum of these divisors (counting 20405901) is 1, the average is 0.125.

Base conversion 20405901

Base System Value
2 Binary 1001101110101111010001101
3 Ternary 1102101201122010
4 Quaternary 1031311322031
5 Quinary 20210442101
6 Senary 2005211433
8 Octal 115657215
10 Decimal 20405901
12 Duodecimal 6a00b79
16 Hexadecimal 1375e8d
20 Vigesimal 67aef1
36 Base36 c5dal

Cryptographic Hash Functions

md5 115b6f579aba72f93acf035a66ed99cf
sha1 f66b478e9724dabbe492b28a0c24c9c5dcc9f170
sha256 2d239ee714d61ee0a53f844ef669e611190236f7d82ed86a513e90cac63e1429
sha512 aa348ec664c1329f936cf15dc11c2ac699f6f6942010482dce90ce63ff43aa2cc6700d4895d8c304be67b1ac180f48b5266df46719f45465a2c943e7f94859d1
ripemd-160 166eb2b48dbd1c13778ad4ab4e776bc81d620ec5

20405901 as geometric shapes

Circle

Radius = n
Diameter 40811802
Circumference 128214057.34296
Area 1.3081616804744E+15

Sphere

Radius = n
Volume 3.5592290325006E+22
Surface area 5.2326467218976E+15
Circumference 128214057.34296

Square

Length = n
Perimeter 81623604
Area 416400795621801
Diagonal 28858301.946643

Cube

Length = n
Surface area 2498404773730806
Volume 8.4970334117797E+21
Space diagonal 35344057.306221

Equilateral Triangle

Length = n
Perimeter 61217703
Area 1.8030683358227E+14
Altitude 17672028.65311

Triangular Pyramid

Length = n
Surface area 1.8030683358227E+14
Volume 1.0013849909063E+21
Height 9619433.9822142