20181790 (number)

20181790 is an even 8-digits composite number following 20181789 and preceding 20181791. In scientific notation, it is written as 2.0181790 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 8058400 positive integers (up to 20181790) that are relatively prime to 20181790.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-one thousand seven hundred ninety

Notation

Scientific notation 2.0181790 × 10^7
Engineering notation 2.0181790 × 10^6

Prime Factorization of 20181790

Prime Factorization 2 × 5 × 2879 × 701

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20181790
Product of the distinct prime numbers

The prime factorization of 20181790 is 2 × 5 × 2879 × 701. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 4, 27, 34, 638, 962, 6830, 9927, 23540, 80545, 994122, 439768, 3826074, 4512232, 26640417, 32856463, 958803652, 699357616, 1875337456, 2951234827

Basic calculations (n = 20181790)

Multiplication

n×y
n×2 40363580
n×3 60545370
n×4 80727160
n×5 100908950

Division

n÷y
n÷2 10090895
n÷3 6727263.3333333
n÷3 5045447.5
n÷5 4036358

Exponentiation

ny
n2 407304647604100
n3 8.2201368639699E+21
n4 1.658970759599E+29
n5 3.3480999486368E+36

Nth Root

y√n
2√n 4492.4147181666
3√n 272.26170565869
4√n 67.025478127102
5√n 28.906262123731

Divisors of 20181790

1, 2, 5, 10, 701, 1402, 2879, 3505, 5758, 7010, 14395, 28790, 2018179, 4036358, 10090895, 20181790

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 -20181789
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 20181790 can be divided by 16 positive divisors. The sum of these divisors (counting 20181790) is 1, the average is 0.0625.

Base conversion 20181790

Base System Value
2 Binary 1001100111111001100011110
3 Ternary 1101222100012201
4 Quaternary 1030333030132
5 Quinary 20131304130
6 Senary 2000322114
8 Octal 114771436
10 Decimal 20181790
12 Duodecimal 691333a
16 Hexadecimal 133f31e
20 Vigesimal 662e9a
36 Base36 c0kda

Cryptographic Hash Functions

md5 22fab8277b407d86c5ff5b97be80a59e
sha1 10c21dcf200cb320bca94c5e35af75e62ac48df2
sha256 f4201dfa0806bb48ce3e1d579222f281233d465d1d8bec25400ffb6250458e7d
sha512 3b302b17cf8a8b3e1bc72b372175fdb0f87af8fc4e9aa535ef22f675a451abff9bd44986be6ca4db95d7c9655f342000808d3776d599ac809d3fce713dba8c1c
ripemd-160 1106524d9f3278dccb7d323ed973fb780ed264f1

20181790 as geometric shapes

Circle

Radius = n
Diameter 40363580
Circumference 126805926.40058
Area 1.279585288686E+15

Sphere

Radius = n
Volume 3.4432428777801E+22
Surface area 5.1183411547441E+15
Circumference 126805926.40058

Square

Length = n
Perimeter 80727160
Area 407304647604100
Diagonal 28541361.130966

Cube

Length = n
Surface area 2443827885624600
Volume 8.2201368639699E+21
Space diagonal 34955885.667685

Equilateral Triangle

Length = n
Perimeter 60545370
Area 1.7636808595231E+14
Altitude 17477942.833843

Triangular Pyramid

Length = n
Surface area 1.7636808595231E+14
Volume 9.6875241979911E+20
Height 9513787.0436552