20457790 (number)

20457790 is an even 8-digits composite number following 20457789 and preceding 20457791. In scientific notation, it is written as 2.0457790 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 8151840 positive integers (up to 20457790) that are relatively prime to 20457790.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-seven thousand seven hundred ninety

Notation

Scientific notation 2.0457790 × 10^7
Engineering notation 2.0457790 × 10^6

Prime Factorization of 20457790

Prime Factorization 2 × 5 × 271 × 7549

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20457790
Product of the distinct prime numbers

The prime factorization of 20457790 is 2 × 5 × 271 × 7549. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 8, 53, 1, 873, 338, 1708, 9645, 62983, 62459, 374119, 786966, 3292892, 4325752, 77998111, 49184567, 145965672, 286040025, 6648181302, 707026353

Basic calculations (n = 20457790)

Multiplication

n×y
n×2 40915580
n×3 61373370
n×4 81831160
n×5 102288950

Division

n÷y
n÷2 10228895
n÷3 6819263.3333333
n÷3 5114447.5
n÷5 4091558

Exponentiation

ny
n2 418521171684100
n3 8.5620182408673E+21
n4 1.7515997114783E+29
n5 3.5833859061484E+36

Nth Root

y√n
2√n 4523.0288524395
3√n 273.49721317932
4√n 67.253467215003
5√n 28.984895787837

Divisors of 20457790

1, 2, 5, 10, 271, 542, 1355, 2710, 7549, 15098, 37745, 75490, 2045779, 4091558, 10228895, 20457790

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20457789
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20457790 can be divided by 16 positive divisors. The sum of these divisors (counting 20457790) is 1, the average is 0.0625.

Base conversion 20457790

Base System Value
2 Binary 1001110000010100100111110
3 Ternary 1102111100210221
4 Quaternary 1032002210332
5 Quinary 20214122130
6 Senary 2010251554
8 Octal 116024476
10 Decimal 20457790
12 Duodecimal 6a26bba
16 Hexadecimal 138293e
20 Vigesimal 67h49a
36 Base36 c6hby

Cryptographic Hash Functions

md5 a388a0be379a328394e469171654c7e5
sha1 23bb07b660634f67be60ccc1ba630f1f5833ed32
sha256 74deb98a76c4949ded16d9a7e6e17f64dca2b989c9d9a9a753d395f56716be80
sha512 89926b038b09ac3db361908499c55024357bde30c6f474911f3a51d83b06c323985932fc57911d4ad5575905df885814af3c8b631098e21655ca2ac0167700f1
ripemd-160 19e5230936b730caca8ad49c2e93d70157da98fc

20457790 as geometric shapes

Circle

Radius = n
Diameter 40915580
Circumference 128540085.54537
Area 1.3148230383346E+15

Sphere

Radius = n
Volume 3.5864498140547E+22
Surface area 5.2592921533382E+15
Circumference 128540085.54537

Square

Length = n
Perimeter 81831160
Area 418521171684100
Diagonal 28931684.074181

Cube

Length = n
Surface area 2511127030104600
Volume 8.5620182408673E+21
Space diagonal 35433931.690574

Equilateral Triangle

Length = n
Perimeter 61373370
Area 1.8122498335003E+14
Altitude 17716965.845287

Triangular Pyramid

Length = n
Surface area 1.8122498335003E+14
Volume 1.00904352646E+21
Height 9643894.6913936