20457849 (number)

20457849 is an odd 8-digits composite number following 20457848 and preceding 20457850. In scientific notation, it is written as 2.0457849 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 13546736 positive integers (up to 20457849) that are relatively prime to 20457849.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-seven thousand eight hundred forty-nine

Notation

Scientific notation 2.0457849 × 10^7
Engineering notation 2.0457849 × 10^6

Prime Factorization of 20457849

Prime Factorization 3 × 149 × 45767

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20457849
Product of the distinct prime numbers

The prime factorization of 20457849 is 3 × 149 × 45767. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20457849)

Multiplication

n×y
n×2 40915698
n×3 61373547
n×4 81831396
n×5 102289245

Division

n÷y
n÷2 10228924.5
n÷3 6819283
n÷3 5114462.25
n÷5 4091569.8

Exponentiation

ny
n2 418523585706801
n3 8.5620923193283E+21
n4 1.7516199179288E+29
n5 3.5834375786379E+36

Nth Root

y√n
2√n 4523.0353746129
3√n 273.49747609986
4√n 67.253515704481
5√n 28.98491250623

Divisors of 20457849

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 -20457848
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 20457849 can be divided by 8 positive divisors. The sum of these divisors (counting 20457849) is 1, the average is 0.125.

Base conversion 20457849

Base System Value
2 Binary 1001110000010100101111001
3 Ternary 1102111100220010
4 Quaternary 1032002211321
5 Quinary 20214122344
6 Senary 2010252133
8 Octal 116024571
10 Decimal 20457849
12 Duodecimal 6a27049
16 Hexadecimal 1382979
20 Vigesimal 67h4c9
36 Base36 c6hdl

Cryptographic Hash Functions

md5 50a1aed66891b11d3c73081ce5524fc4
sha1 d97c23a1971be2e37e2c7149ecd7660065818e3e
sha256 ab7d6d3c35be669dc154d5a5ef2c5503093442136546f31bd075fe8fc9a45217
sha512 662ddf0db23da6167ec5b4e210c2b333ce5009359a5347b15959856626d1936625efb86d5deb02ca07c3291a073ec055578966e273a21134a6cd362e9e960003
ripemd-160 a70843281093cab6411c0b28ad782d9672980a6c

20457849 as geometric shapes

Circle

Radius = n
Diameter 40915698
Circumference 128540456.2533
Area 1.3148306222105E+15

Sphere

Radius = n
Volume 3.5864808439679E+22
Surface area 5.2593224888422E+15
Circumference 128540456.2533

Square

Length = n
Perimeter 81831396
Area 418523585706801
Diagonal 28931767.512781

Cube

Length = n
Surface area 2511141514240806
Volume 8.5620923193283E+21
Space diagonal 35434033.881572

Equilateral Triangle

Length = n
Perimeter 61373547
Area 1.8122602865252E+14
Altitude 17717016.940786

Triangular Pyramid

Length = n
Surface area 1.8122602865252E+14
Volume 1.0090522566904E+21
Height 9643922.5042603