20405875 (number)

20405875 is an odd 8-digits composite number following 20405874 and preceding 20405876. In scientific notation, it is written as 2.0405875 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 13992000 positive integers (up to 20405875) that are relatively prime to 20405875.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0405875 × 10^7
Engineering notation 2.0405875 × 10^6

Prime Factorization of 20405875

Prime Factorization 35 × 5 × 5 × 23321

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 4081175
Product of the distinct prime numbers

The prime factorization of 20405875 is 35 × 5 × 5 × 23321. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 9, 29, 98, 653, 984, 9645, 7658, 29172, 3425, 19250, 351203, 354553, 4217469, 47284601, 1061871, 203945244, 86601055, 4367624164, 8495750268

Basic calculations (n = 20405875)

Multiplication

n×y
n×2 40811750
n×3 61217625
n×4 81623500
n×5 102029375

Division

n÷y
n÷2 10202937.5
n÷3 6801958.3333333
n÷3 5101468.75
n÷5 4081175

Exponentiation

ny
n2 416399734515625
n3 8.497000932559E+21
n4 1.7338873890468E+29
n5 3.5381489324966E+36

Nth Root

y√n
2√n 4517.2862428675
3√n 273.2656691853
4√n 67.210759874201
5√n 28.970170046537

Divisors of 20405875

1, 5, 25, 35, 175, 875, 23321, 116605, 583025, 816235, 4081175, 20405875

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20405874
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20405875 can be divided by 12 positive divisors. The sum of these divisors (counting 20405875) is 1, the average is 0.083333333333333.

Base conversion 20405875

Base System Value
2 Binary 1001101110101111001110011
3 Ternary 1102101201121011
4 Quaternary 1031311321303
5 Quinary 20210442000
6 Senary 2005211351
8 Octal 115657163
10 Decimal 20405875
12 Duodecimal 6a00b57
16 Hexadecimal 1375e73
20 Vigesimal 67aedf
36 Base36 c5d9v

Cryptographic Hash Functions

md5 335d0c8073148a781d40d8d7b39465b0
sha1 e55f3259701686b02ae9e127f009ae75c345a07d
sha256 e5885c2cebccfbe3fb8bb8a49c4a97dffdd002f70fabc1544f4b654b85957256
sha512 48e8e9e5ac6b1b3892939f78fa1d85015741926e7b42c67db4be02b6708b4a859b29cbcc0e259cdc207a794fe3c140b9cb60f500b42f8ce6d64c95b4ef33b87d
ripemd-160 1e063f8acacf3a462d16b2b9529b79a6e89f238f

20405875 as geometric shapes

Circle

Radius = n
Diameter 40811750
Circumference 128213893.98014
Area 1.308158346911E+15

Sphere

Radius = n
Volume 3.5592154276364E+22
Surface area 5.2326333876441E+15
Circumference 128213893.98014

Square

Length = n
Perimeter 81623500
Area 416399734515625
Diagonal 28858265.17709

Cube

Length = n
Surface area 2498398407093750
Volume 8.497000932559E+21
Space diagonal 35344012.2729

Equilateral Triangle

Length = n
Perimeter 61217625
Area 1.8030637410981E+14
Altitude 17672006.13645

Triangular Pyramid

Length = n
Surface area 1.8030637410981E+14
Volume 1.0013811631935E+21
Height 9619421.7256967