18981057 (number)

18981057 is an odd 8-digits composite number following 18981056 and preceding 18981058. In scientific notation, it is written as 1.8981057 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 11860992 positive integers (up to 18981057) that are relatively prime to 18981057.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred eighty-one thousand fifty-seven

Notation

Scientific notation 1.8981057 × 10^7
Engineering notation 1.8981057 × 10^6

Prime Factorization of 18981057

Prime Factorization 3 × 97 × 19 × 3433

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18981057
Product of the distinct prime numbers

The prime factorization of 18981057 is 3 × 97 × 19 × 3433. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 7, 55, 97, 249, 915, 3774, 9334, 94527, 86484, 570708, 152733, 678437, 718837, 16465131, 30177267, 773787319, 482496897, 5430314220, 2466299493

Basic calculations (n = 18981057)

Multiplication

n×y
n×2 37962114
n×3 56943171
n×4 75924228
n×5 94905285

Division

n÷y
n÷2 9490528.5
n÷3 6327019
n÷3 4745264.25
n÷5 3796211.4

Exponentiation

ny
n2 360280524837249
n3 6.8385051779257E+21
n4 1.29802056577E+29
n5 2.4637802346053E+36

Nth Root

y√n
2√n 4356.7254905491
3√n 266.75145550312
4√n 66.005495911697
5√n 28.553810875837

Divisors of 18981057

1, 3, 19, 57, 97, 291, 1843, 3433, 5529, 10299, 65227, 195681, 333001, 999003, 6327019, 18981057

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 -18981056
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 18981057 can be divided by 16 positive divisors. The sum of these divisors (counting 18981057) is 1, the average is 0.0625.

Base conversion 18981057

Base System Value
2 Binary 1001000011010000011000001
3 Ternary 1022201100010010
4 Quaternary 1020122003001
5 Quinary 14324343212
6 Senary 1514455133
8 Octal 110320301
10 Decimal 18981057
12 Duodecimal 64344a9
16 Hexadecimal 121a0c1
20 Vigesimal 5iccch
36 Base36 batvl

Cryptographic Hash Functions

md5 df0d4162c8886f45138a30548f4529a6
sha1 78c06ad96cf9311a15dbab5d44e21847df647206
sha256 d635792b7b6f65631371ceac2fcf172aa4c9e36cd44f93a65434c647e337317b
sha512 c2938a55b0f7cf5e9000afd1305a89d36f1863271b24331b7231842d6f27e34411cf460090d07aada9b054809df2b468ff2ea7400f4375eee387b8d2a1741324
ripemd-160 701aa9df795cada003885c19e26fd93ac3a44f1b

18981057 as geometric shapes

Circle

Radius = n
Diameter 37962114
Circumference 119261498.45714
Area 1.1318546500602E+15

Sphere

Radius = n
Volume 2.8645063504676E+22
Surface area 4.5274186002407E+15
Circumference 119261498.45714

Square

Length = n
Perimeter 75924228
Area 360280524837249
Diagonal 26843268.237577

Cube

Length = n
Surface area 2161683149023494
Volume 6.8385051779257E+21
Space diagonal 32876155.105361

Equilateral Triangle

Length = n
Perimeter 56943171
Area 1.5600604349892E+14
Altitude 16438077.55268

Triangular Pyramid

Length = n
Surface area 1.5600604349892E+14
Volume 8.0592556408177E+20
Height 8947756.0791923