20780081 (number)

20780081 is an odd 8-digits composite number following 20780080 and preceding 20780082. In scientific notation, it is written as 2.0780081 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors. There are 17229888 positive integers (up to 20780081) that are relatively prime to 20780081.

Interesting facts

Basic properties

Name

Name twenty million seven hundred eighty thousand eighty-one

Notation

Scientific notation 2.0780081 × 10^7
Engineering notation 2.0780081 × 10^6

Prime Factorization of 20780081

Prime Factorization 7 × 53 × 79 × 709

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20780081
Product of the distinct prime numbers

The prime factorization of 20780081 is 7 × 53 × 79 × 709. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 8, 9, 94, 72, 471, 4994, 918, 16633, 14233, 546957, 90637, 1009553, 4333040, 96787126, 29464582, 231093906, 316156882, 6424278407, 1336645549

Basic calculations (n = 20780081)

Multiplication

n×y
n×2 41560162
n×3 62340243
n×4 83120324
n×5 103900405

Division

n÷y
n÷2 10390040.5
n÷3 6926693.6666667
n÷3 5195020.25
n÷5 4156016.2

Exponentiation

ny
n2 431811766366561
n3 8.9730834818502E+21
n4 1.8646140157261E+29
n5 3.8746830280524E+36

Nth Root

y√n
2√n 4558.5174124928
3√n 274.92595692538
4√n 67.516793559031
5√n 29.075650994113

Divisors of 20780081

1, 7, 53, 79, 371, 553, 709, 4187, 4963, 29309, 37577, 56011, 263039, 392077, 2968583, 20780081

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 -20780080
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 20780081 can be divided by 16 positive divisors. The sum of these divisors (counting 20780081) is 1, the average is 0.0625.

Base conversion 20780081

Base System Value
2 Binary 1001111010001010000110001
3 Ternary 1110002201220122
4 Quaternary 1033101100301
5 Quinary 20304430311
6 Senary 2021220025
8 Octal 117212061
10 Decimal 20780081
12 Duodecimal 6b61615
16 Hexadecimal 13d1431
20 Vigesimal 69ha41
36 Base36 cde0h

Cryptographic Hash Functions

md5 a4692657a6adcd383c97901ef7da948f
sha1 40316beb6d4795d87947e19fe4bc3b12ab0e61e2
sha256 c45c8a96c064a51db365fe4d8f811e335416138c38bcfb38acd1ef1e765e6c34
sha512 d7d72c69c14d064bcf17ce3a4a943de1225b718e5ffb007855e7f132f3fe4f1253dd1ef6b130a6dcbc7a448322e95494247d78c17d86323681fac55e7206dcaa
ripemd-160 cc2123f681e09c0064690a617bd2ed092fadee77

20780081 as geometric shapes

Circle

Radius = n
Diameter 41560162
Circumference 130565099.6212
Area 1.3565766729508E+15

Sphere

Radius = n
Volume 3.7586364195505E+22
Surface area 5.4263066918033E+15
Circumference 130565099.6212

Square

Length = n
Perimeter 83120324
Area 431811766366561
Diagonal 29387472.377411

Cube

Length = n
Surface area 2590870598199366
Volume 8.9730834818502E+21
Space diagonal 35992156.077397

Equilateral Triangle

Length = n
Perimeter 62340243
Area 1.8697997966324E+14
Altitude 17996078.038698

Triangular Pyramid

Length = n
Surface area 1.8697997966324E+14
Volume 1.0574880296949E+21
Height 9795824.1258038