20018881 (number)

20018881 is an odd 8-digits prime number following 20018880 and preceding 20018882. In scientific notation, it is written as 2.0018881 × 10^7. The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors. There are 20018880 positive integers (up to 20018881) that are relatively prime to 20018881.

Interesting facts

Basic properties

Name

Name twenty million eighteen thousand eight hundred eighty-one

Notation

Scientific notation 2.0018881 × 10^7
Engineering notation 2.0018881 × 10^6

Prime Factorization of 20018881

Prime Factorization 20018881

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20018881
Product of the distinct prime numbers

The prime factorization of 20018881 is 20018881. Since it has a total of 1 prime factors.

Most popular turbo-numbers

9, 2, 31, 69, 208, 982, 9556, 5106, 53223, 65613, 25153, 321716, 2018778, 6991357, 52467492, 20828353, 985653726, 5445840, 6366956599, 1413824982

Basic calculations (n = 20018881)

Multiplication

n×y
n×2 40037762
n×3 60056643
n×4 80075524
n×5 100094405

Division

n÷y
n÷2 10009440.5
n÷3 6672960.3333333
n÷3 5004720.25
n÷5 4003776.2

Exponentiation

ny
n2 400755596492161
n3 8.0226785962606E+21
n4 1.6060504811979E+29
n5 3.2151333463093E+36

Nth Root

y√n
2√n 4474.2464169958
3√n 271.52715299226
4√n 66.889808020324
5√n 28.859443985449

Divisors of 20018881

1, 20018881

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20018882
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10009441
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4474.2465287465
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999000943
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20018881 can be divided by 2 positive divisors. The sum of these divisors (counting 20018881) is 20018882, the average is 10009441.

Base conversion 20018881

Base System Value
2 Binary 1001100010111011011000001
3 Ternary 1101200001202001
4 Quaternary 1030113123001
5 Quinary 20111101011
6 Senary 1553024001
8 Octal 114273301
10 Decimal 20018881
12 Duodecimal 6855001
16 Hexadecimal 13176c1
20 Vigesimal 652741
36 Base36 bx2o1

Cryptographic Hash Functions

md5 7b7d24a3e1d936215b724c1519346118
sha1 29c08145cfadbd288f82beae7e5429f0a89931c5
sha256 9343a674b546063c4b5faf3de55247cabd45d0788fd05db2fc9cbac17d158dc3
sha512 b9e38ae1ad159737ad96c71073731b4efed10bafc15450903fc893451e3e5b825a575bde7d309ad551d5f792b74044ab718fc155fde0e976eb9065a1fcbf63c5
ripemd-160 f222383b45088c8c86ad7f9656867e38b5a23f01

20018881 as geometric shapes

Circle

Radius = n
Diameter 40037762
Circumference 125782338.96538
Area 1.2590108378248E+15

Sphere

Radius = n
Volume 3.3605317520166E+22
Surface area 5.0360433512991E+15
Circumference 125782338.96538

Square

Length = n
Perimeter 80075524
Area 400755596492161
Diagonal 28310973.013733

Cube

Length = n
Surface area 2404533578952966
Volume 8.0226785962606E+21
Space diagonal 34673719.002675

Equilateral Triangle

Length = n
Perimeter 60056643
Area 1.735322636355E+14
Altitude 17336859.501338

Triangular Pyramid

Length = n
Surface area 1.735322636355E+14
Volume 9.4548173978267E+20
Height 9436991.0045777