20405725 (number)

20405725 is an odd 8-digits composite number following 20405724 and preceding 20405726. In scientific notation, it is written as 2.0405725 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 16193520 positive integers (up to 20405725) that are relatively prime to 20405725.

Interesting facts

Basic properties

Name

Name twenty million four hundred five thousand seven hundred twenty-five

Notation

Scientific notation 2.0405725 × 10^7
Engineering notation 2.0405725 × 10^6

Prime Factorization of 20405725

Prime Factorization 25 × 127 × 6427

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20405725
Product of the distinct prime numbers

The prime factorization of 20405725 is 25 × 127 × 6427. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20405725)

Multiplication

n×y
n×2 40811450
n×3 61217175
n×4 81622900
n×5 102028625

Division

n÷y
n÷2 10202862.5
n÷3 6801908.3333333
n÷3 5101431.25
n÷5 4081145

Exponentiation

ny
n2 416393612775625
n3 8.4968135540559E+21
n4 1.7338364076034E+29
n5 3.5380188928542E+36

Nth Root

y√n
2√n 4517.2696399485
3√n 273.2649996077
4√n 67.21063636024
5√n 28.970127455486

Divisors of 20405725

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 -20405724
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 20405725 can be divided by 8 positive divisors. The sum of these divisors (counting 20405725) is 1, the average is 0.125.

Base conversion 20405725

Base System Value
2 Binary 1001101110101110111011101
3 Ternary 1102101201101121
4 Quaternary 1031311313131
5 Quinary 20210440400
6 Senary 2005210541
8 Octal 115656735
10 Decimal 20405725
12 Duodecimal 6a00a51
16 Hexadecimal 1375ddd
20 Vigesimal 67ae65
36 Base36 c5d5p

Cryptographic Hash Functions

md5 8e45389b5e0ded62760985479dede108
sha1 317de6c4eb3380f67fc57d163263483902766618
sha256 72ffb18973acb507eab6a19a376e3ae46d4d288bbb447b370593c5100d765984
sha512 45b8f074e6e31aaf8befd12562e0cdb4b53d673847bbfae800e577545e4a9ba35f6afe1a327bb9866c2f6f444163019619c8e8f0e395d64ef5437d0b8d4b2085
ripemd-160 9f9d5766a335f8abcf0e48b9934e211bd25f3096

20405725 as geometric shapes

Circle

Radius = n
Diameter 40811450
Circumference 128212951.50235
Area 1.3081391148976E+15

Sphere

Radius = n
Volume 3.5591369387126E+22
Surface area 5.2325564595905E+15
Circumference 128212951.50235

Square

Length = n
Perimeter 81622900
Area 416393612775625
Diagonal 28858053.045056

Cube

Length = n
Surface area 2498361676653750
Volume 8.4968135540559E+21
Space diagonal 35343752.465278

Equilateral Triangle

Length = n
Perimeter 61217175
Area 1.8030372331864E+14
Altitude 17671876.232639

Triangular Pyramid

Length = n
Surface area 1.8030372331864E+14
Volume 1.0013590804251E+21
Height 9619351.0150186