20181430 (number)

20181430 is an even 8-digits composite number following 20181429 and preceding 20181431. In scientific notation, it is written as 2.0181430 × 10^7. The sum of its digits is 19. It has a total of 4 prime factors and 16 positive divisors. There are 7875520 positive integers (up to 20181430) that are relatively prime to 20181430.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-one thousand four hundred thirty

Notation

Scientific notation 2.0181430 × 10^7
Engineering notation 2.0181430 × 10^6

Prime Factorization of 20181430

Prime Factorization 2 × 5 × 41 × 49223

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20181430
Product of the distinct prime numbers

The prime factorization of 20181430 is 2 × 5 × 41 × 49223. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 6, 69, 77, 535, 701, 5764, 2486, 25727, 44196, 223091, 246202, 9709320, 9836112, 60180576, 62495765, 149095353, 70781401, 8168334066, 322324671

Basic calculations (n = 20181430)

Multiplication

n×y
n×2 40362860
n×3 60544290
n×4 80725720
n×5 100907150

Division

n÷y
n÷2 10090715
n÷3 6727143.3333333
n÷3 5045357.5
n÷5 4036286

Exponentiation

ny
n2 407290116844900
n3 8.2196969827972E+21
n4 1.6588523927953E+29
n5 3.3478013445531E+36

Nth Root

y√n
2√n 4492.3746504494
3√n 272.26008679341
4√n 67.025179227283
5√n 28.906158997808

Divisors of 20181430

1, 2, 5, 10, 41, 82, 205, 410, 49223, 98446, 246115, 492230, 2018143, 4036286, 10090715, 20181430

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 -20181429
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 20181430 can be divided by 16 positive divisors. The sum of these divisors (counting 20181430) is 1, the average is 0.0625.

Base conversion 20181430

Base System Value
2 Binary 1001100111111000110110110
3 Ternary 1101222022201101
4 Quaternary 1030333012312
5 Quinary 20131301210
6 Senary 2000320314
8 Octal 114770666
10 Decimal 20181430
12 Duodecimal 691309a
16 Hexadecimal 133f1b6
20 Vigesimal 662dba
36 Base36 c0k3a

Cryptographic Hash Functions

md5 8f8bc595646983dacaeea30b0afc3fe6
sha1 7db7b6eadc871a12e854208cf3b288944c603e72
sha256 be2710f92e25ebd3459bcf5ddda1e34be797430a690812b15f70d9bfc111bc99
sha512 b00f0aefded95c475a6d8a8a513d1b68b99d2589accfb4820abfd3522735f92248d58aac8d0da8f4e9ec68c1a1a646bf7b6fee2558b27a37dea93a9422cd01f7
ripemd-160 d323766a5d1481af8e6e9a668bf9ae725ab08a24

20181430 as geometric shapes

Circle

Radius = n
Diameter 40362860
Circumference 126803664.45387
Area 1.2795396389597E+15

Sphere

Radius = n
Volume 3.4430586207853E+22
Surface area 5.1181585558387E+15
Circumference 126803664.45387

Square

Length = n
Perimeter 80725720
Area 407290116844900
Diagonal 28540852.014083

Cube

Length = n
Surface area 2443740701069400
Volume 8.2196969827972E+21
Space diagonal 34955262.129395

Equilateral Triangle

Length = n
Perimeter 60544290
Area 1.7636179394901E+14
Altitude 17477631.064697

Triangular Pyramid

Length = n
Surface area 1.7636179394901E+14
Volume 9.6870057930575E+20
Height 9513617.3380278