20181390 (number)

20181390 is an even 8-digits composite number following 20181389 and preceding 20181391. In scientific notation, it is written as 2.0181390 × 10^7. The sum of its digits is 24. It has a total of 5 prime factors and 32 positive divisors. There are 5195904 positive integers (up to 20181390) that are relatively prime to 20181390.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0181390 × 10^7
Engineering notation 2.0181390 × 10^6

Prime Factorization of 20181390

Prime Factorization 2 × 3 × 5 × 29 × 23197

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20181390
Product of the distinct prime numbers

The prime factorization of 20181390 is 2 × 3 × 5 × 29 × 23197. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 3, 34, 44, 991, 426, 5721, 9888, 41763, 29096, 850839, 209749, 6080985, 4585478, 23450446, 55945877, 471134283, 533339535, 1548940032, 6982886010

Basic calculations (n = 20181390)

Multiplication

n×y
n×2 40362780
n×3 60544170
n×4 80725560
n×5 100906950

Division

n÷y
n÷2 10090695
n÷3 6727130
n÷3 5045347.5
n÷5 4036278

Exponentiation

ny
n2 407288502332100
n3 8.21964810808E+21
n4 1.6588392413193E+29
n5 3.3477681676368E+36

Nth Root

y√n
2√n 4492.3701984587
3√n 272.25990691831
4√n 67.025146015945
5√n 28.906147539281

Divisors of 20181390

1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870, 23197, 46394, 69591, 115985, 139182, 231970, 347955, 672713, 695910, 1345426, 2018139, 3363565, 4036278, 6727130, 10090695, 20181390

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20181389
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20181390 can be divided by 32 positive divisors. The sum of these divisors (counting 20181390) is 1, the average is 0.03125.

Base conversion 20181390

Base System Value
2 Binary 1001100111111000110001110
3 Ternary 1101222022122220
4 Quaternary 1030333012032
5 Quinary 20131301030
6 Senary 2000320210
8 Octal 114770616
10 Decimal 20181390
12 Duodecimal 6913066
16 Hexadecimal 133f18e
20 Vigesimal 662d9a
36 Base36 c0k26

Cryptographic Hash Functions

md5 a576f9f750550da704ba24cf6a762613
sha1 8bc26aba5e682e213648677356eb1217a7f29823
sha256 c9f535a105c91c64a8771be043d5f847187dd5215aa3c7e52f2f00cdb7696fe2
sha512 bf097e97d4654839d4bb75174018cf1f5c9b3a3cb14eee0ae54b4c0314c3efce1be3a3fa10dab5371c7a878d6df38ca572ad3345d82900a65336ca17767dab92
ripemd-160 2c83df9a56cac4ce122d5cc9485038e513c413bf

20181390 as geometric shapes

Circle

Radius = n
Diameter 40362780
Circumference 126803413.12646
Area 1.2795345668181E+15

Sphere

Radius = n
Volume 3.4430381481917E+22
Surface area 5.1181382672725E+15
Circumference 126803413.12646

Square

Length = n
Perimeter 80725560
Area 407288502332100
Diagonal 28540795.445541

Cube

Length = n
Surface area 2443731013992600
Volume 8.21964810808E+21
Space diagonal 34955192.847362

Equilateral Triangle

Length = n
Perimeter 60544170
Area 1.7636109484446E+14
Altitude 17477596.423681

Triangular Pyramid

Length = n
Surface area 1.7636109484446E+14
Volume 9.6869481936509E+20
Height 9513598.4818469