20081455 (number)

20081455 is an odd 8-digits composite number following 20081454 and preceding 20081456. In scientific notation, it is written as 2.0081455 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 15723168 positive integers (up to 20081455) that are relatively prime to 20081455.

Interesting facts

Basic properties

Name

Name twenty million eighty-one thousand four hundred fifty-five

Notation

Scientific notation 2.0081455 × 10^7
Engineering notation 2.0081455 × 10^6

Prime Factorization of 20081455

Prime Factorization 5 × 47 × 85453

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20081455
Product of the distinct prime numbers

The prime factorization of 20081455 is 5 × 47 × 85453. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20081455)

Multiplication

n×y
n×2 40162910
n×3 60244365
n×4 80325820
n×5 100407275

Division

n÷y
n÷2 10040727.5
n÷3 6693818.3333333
n÷3 5020363.75
n÷5 4016291

Exponentiation

ny
n2 403264834917025
n3 8.0981446354687E+21
n4 1.6262252708066E+29
n5 3.2656969595565E+36

Nth Root

y√n
2√n 4481.233647111
3√n 271.80976732398
4√n 66.942017052902
5√n 28.877462946833

Divisors of 20081455

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 -20081454
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 20081455 can be divided by 8 positive divisors. The sum of these divisors (counting 20081455) is 1, the average is 0.125.

Base conversion 20081455

Base System Value
2 Binary 1001100100110101100101111
3 Ternary 1101210020120121
4 Quaternary 1030212230233
5 Quinary 20120101310
6 Senary 1554225411
8 Octal 114465457
10 Decimal 20081455
12 Duodecimal 6885267
16 Hexadecimal 1326b2f
20 Vigesimal 65a3cf
36 Base36 byey7

Cryptographic Hash Functions

md5 dc6db8b0fcece2967442894b8960a234
sha1 f00e50a248db28989260c957e218dca46f82314d
sha256 ed70545dd5d2e115437266e840c8b62120a701422fb0bb15c5a3b0f0f66f6d9c
sha512 67776a9401251d3fc8a84a19bf4f3094c13f71bc7dc5e45951b841b23a663eef2ce8feeb6a7d1fab59aa6ef5db81badfda190ca180bbd1282c0d1dbcb3d94e83
ripemd-160 27ca8e9e94a9e155ab63c293953d35504af34788

20081455 as geometric shapes

Circle

Radius = n
Diameter 40162910
Circumference 126175503.00279
Area 1.2668938428264E+15

Sphere

Radius = n
Volume 3.3921428925995E+22
Surface area 5.0675753713057E+15
Circumference 126175503.00279

Square

Length = n
Perimeter 80325820
Area 403264834917025
Diagonal 28399466.013185

Cube

Length = n
Surface area 2419589009502150
Volume 8.0981446354687E+21
Space diagonal 34782100.349908

Equilateral Triangle

Length = n
Perimeter 60244365
Area 1.7461879574554E+14
Altitude 17391050.174954

Triangular Pyramid

Length = n
Surface area 1.7461879574554E+14
Volume 9.5437549779489E+20
Height 9466488.6710617