20181780 (number)

20181780 is an even 8-digits composite number following 20181779 and preceding 20181781. In scientific notation, it is written as 2.0181780 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 36 positive divisors. There are 5381760 positive integers (up to 20181780) that are relatively prime to 20181780.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0181780 × 10^7
Engineering notation 2.0181780 × 10^6

Prime Factorization of 20181780

Prime Factorization 2 × 2 × 5 × 3 × 3 × 112121

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 3363630
Product of the distinct prime numbers

The prime factorization of 20181780 is 2 × 2 × 5 × 3 × 3 × 112121. Since it has a total of 6 prime factors.

Most popular turbo-numbers

10, 10, 53, 48, 268, 977, 5547, 5282, 55682, 36222, 735572, 570880, 9583910, 69684, 63671846, 87155242, 156614414, 368969990, 1617433326, 201543937

Basic calculations (n = 20181780)

Multiplication

n×y
n×2 40363560
n×3 60545340
n×4 80727120
n×5 100908900

Division

n÷y
n÷2 10090890
n÷3 6727260
n÷3 5045445
n÷5 4036356

Exponentiation

ny
n2 407304243968400
n3 8.2201246448366E+21
n4 1.6589674715467E+29
n5 3.3480916537912E+36

Nth Root

y√n
2√n 4492.4136051793
3√n 272.26166069047
4√n 67.025469824383
5√n 28.906259259142

Divisors of 20181780

1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 112121, 224242, 336363, 448484, 560605, 672726, 1009089, 1121210, 1345452, 1681815, 2018178, 2242420, 3363630, 4036356, 5045445, 6727260, 10090890, 20181780

36 divisors

τ Total Divisors 36
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20181779
Sum of the proper positive divisors of n
A Arithmetic Mean 0.027777777777778
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 36
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20181780 can be divided by 36 positive divisors. The sum of these divisors (counting 20181780) is 1, the average is 0.027777777777778.

Base conversion 20181780

Base System Value
2 Binary 1001100111111001100010100
3 Ternary 1101222100012100
4 Quaternary 1030333030110
5 Quinary 20131304110
6 Senary 2000322100
8 Octal 114771424
10 Decimal 20181780
12 Duodecimal 6913330
16 Hexadecimal 133f314
20 Vigesimal 662e90
36 Base36 c0kd0

Cryptographic Hash Functions

md5 027a503e625b5b61a3243eaf4298a189
sha1 46e8ce9b2b97cb322fdeef3ee940efcf0eb887e5
sha256 0a6f817bb39027744e60105c2d07fdf7e85db3033008c37071c0883f59c0b8fa
sha512 2704a04a14770b91a1f8192075f8d0382af61de2137841e283ece885b80bf0dd01371822a682d41878edf537c0e69279ee557e1826709716c8a132a30344538c
ripemd-160 6fb72bf6fe62d16c9a2b954b8addd4ed555372aa

20181780 as geometric shapes

Circle

Radius = n
Diameter 40363560
Circumference 126805863.56873
Area 1.2795840206271E+15

Sphere

Radius = n
Volume 3.4432377594415E+22
Surface area 5.1183360825083E+15
Circumference 126805863.56873

Square

Length = n
Perimeter 80727120
Area 407304243968400
Diagonal 28541346.98883

Cube

Length = n
Surface area 2443825463810400
Volume 8.2201246448366E+21
Space diagonal 34955868.347177

Equilateral Triangle

Length = n
Perimeter 60545340
Area 1.7636791117292E+14
Altitude 17477934.173589

Triangular Pyramid

Length = n
Surface area 1.7636791117292E+14
Volume 9.6875097976043E+20
Height 9513782.32961