20181250 (number)

20181250 is an even 8-digits composite number following 20181249 and preceding 20181251. In scientific notation, it is written as 2.0181250 × 10^7. The sum of its digits is 19. It has a total of 5 prime factors and 24 positive divisors. There are 8070000 positive integers (up to 20181250) that are relatively prime to 20181250.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-one thousand two hundred fifty

Notation

Scientific notation 2.0181250 × 10^7
Engineering notation 2.0181250 × 10^6

Prime Factorization of 20181250

Prime Factorization 2 × 25 × 5 × 25 × 3229

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 807250
Product of the distinct prime numbers

The prime factorization of 20181250 is 2 × 25 × 5 × 25 × 3229. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 9, 88, 64, 756, 219, 9629, 7514, 19480, 1009, 415584, 394480, 471384, 1477622, 16115842, 8034953, 486737944, 643281605, 401253052, 6537296113

Basic calculations (n = 20181250)

Multiplication

n×y
n×2 40362500
n×3 60543750
n×4 80725000
n×5 100906250

Division

n÷y
n÷2 10090625
n÷3 6727083.3333333
n÷3 5045312.5
n÷5 4036250

Exponentiation

ny
n2 407282851562500
n3 8.2194770480957E+21
n4 1.6587932117688E+29
n5 3.3476520505009E+36

Nth Root

y√n
2√n 4492.3546164567
3√n 272.25927735356
4√n 67.025029775873
5√n 28.906107434294

Divisors of 20181250

1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 3125, 3229, 6250, 6458, 16145, 32290, 80725, 161450, 403625, 807250, 2018125, 4036250, 10090625, 20181250

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20181249
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20181250 can be divided by 24 positive divisors. The sum of these divisors (counting 20181250) is 1, the average is 0.041666666666667.

Base conversion 20181250

Base System Value
2 Binary 1001100111111000100000010
3 Ternary 1101222022110201
4 Quaternary 1030333010002
5 Quinary 20131300000
6 Senary 2000315414
8 Octal 114770402
10 Decimal 20181250
12 Duodecimal 6912b6a
16 Hexadecimal 133f102
20 Vigesimal 662d2a
36 Base36 c0jya

Cryptographic Hash Functions

md5 3993ca2f5b29942cec75aa477251f236
sha1 f3f2eeba57ea90bc3339f8badaf5df609d11f979
sha256 c258bec94b929e9d84c012500cc1bac25e6e28bb865075aeeb8ed991a93b77e6
sha512 3b392f20d5580b3256b5d77579d2b8adc7a85e165c1acaf264adfb2ebad0b57f47b32a1be50a7bf86afbdf6abb4c428069d947f960b3b8b29a237c2c5434a0a1
ripemd-160 42a9ec6d95be840d58504888e3d9ae39f09710fb

20181250 as geometric shapes

Circle

Radius = n
Diameter 40362500
Circumference 126802533.48052
Area 1.2795168144019E+15

Sphere

Radius = n
Volume 3.442966494753E+22
Surface area 5.1180672576074E+15
Circumference 126802533.48052

Square

Length = n
Perimeter 80725000
Area 407282851562500
Diagonal 28540597.455642

Cube

Length = n
Surface area 2443697109375000
Volume 8.2194770480957E+21
Space diagonal 34954950.360249

Equilateral Triangle

Length = n
Perimeter 60543750
Area 1.7635864798945E+14
Altitude 17477475.180125

Triangular Pyramid

Length = n
Surface area 1.7635864798945E+14
Volume 9.6867465975261E+20
Height 9513532.485214