20125805 (number)

20125805 is an odd 8-digits composite number following 20125804 and preceding 20125806. In scientific notation, it is written as 2.0125805 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors. There are 13188384 positive integers (up to 20125805) that are relatively prime to 20125805.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0125805 × 10^7
Engineering notation 2.0125805 × 10^6

Prime Factorization of 20125805

Prime Factorization 35 × 23 × 23 × 1087

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 875035
Product of the distinct prime numbers

The prime factorization of 20125805 is 35 × 23 × 23 × 1087. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 10, 3, 23, 66, 906, 5083, 4813, 50195, 15213, 496526, 378993, 1589836, 1014358, 95111482, 17505162, 46780289, 835076357, 176733406, 2205061713

Basic calculations (n = 20125805)

Multiplication

n×y
n×2 40251610
n×3 60377415
n×4 80503220
n×5 100629025

Division

n÷y
n÷2 10062902.5
n÷3 6708601.6666667
n÷3 5031451.25
n÷5 4025161

Exponentiation

ny
n2 405048026898025
n3 8.1519176049844E+21
n4 1.6406390409398E+29
n5 3.3019181413342E+36

Nth Root

y√n
2√n 4486.1793321266
3√n 272.00971797027
4√n 66.978946932052
5√n 28.890206899817

Divisors of 20125805

1, 23, 35, 529, 805, 1087, 18515, 25001, 38045, 575023, 875035, 20125805

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 -20125804
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 20125805 can be divided by 12 positive divisors. The sum of these divisors (counting 20125805) is 1, the average is 0.083333333333333.

Base conversion 20125805

Base System Value
2 Binary 1001100110001100001101101
3 Ternary 1101212111102012
4 Quaternary 1030301201231
5 Quinary 20123011210
6 Senary 1555211005
8 Octal 114614155
10 Decimal 20125805
12 Duodecimal 68a6a65
16 Hexadecimal 133186d
20 Vigesimal 65fea5
36 Base36 bzd65

Cryptographic Hash Functions

md5 8a618f51c334a8a32b32758ee5baeb36
sha1 183c22e2bb4965d4685dbbafe74d5860c5395c4c
sha256 efbb114073c017c1f3f5aab436a81d1cd7680966caabd1995eb1d049ec4abb9e
sha512 dc4601f5f1cdfc943a30ce9a8cd0daeacaf2250e9eef358a0cfcf20defcc1a79e0a6156049c52358ca5491dc442157acd74b40e7a2438f4c3eb7589a40b855f6
ripemd-160 c2fc802b15c527fe082892096022bde6f516f50d

20125805 as geometric shapes

Circle

Radius = n
Diameter 40251610
Circumference 126454162.27116
Area 1.2724959056539E+15

Sphere

Radius = n
Volume 3.4146672613984E+22
Surface area 5.0899836226155E+15
Circumference 126454162.27116

Square

Length = n
Perimeter 80503220
Area 405048026898025
Diagonal 28462186.384676

Cube

Length = n
Surface area 2430288161388150
Volume 8.1519176049844E+21
Space diagonal 34858916.803224

Equilateral Triangle

Length = n
Perimeter 60377415
Area 1.7539094052323E+14
Altitude 17429458.401612

Triangular Pyramid

Length = n
Surface area 1.7539094052323E+14
Volume 9.6071270302641E+20
Height 9487395.4615587