18998957 (number)

18998957 is an odd 8-digits prime number following 18998956 and preceding 18998958. In scientific notation, it is written as 1.8998957 × 10^7. The sum of its digits is 56. It has a total of 1 prime factors and 2 positive divisors. There are 18998956 positive integers (up to 18998957) that are relatively prime to 18998957.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred ninety-eight thousand nine hundred fifty-seven

Notation

Scientific notation 1.8998957 × 10^7
Engineering notation 1.8998957 × 10^6

Prime Factorization of 18998957

Prime Factorization 18998957

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 18998957
Product of the distinct prime numbers

The prime factorization of 18998957 is 18998957. Since it has a total of 1 prime factors.

Most popular turbo-numbers

3, 4, 28, 47, 151, 378, 2466, 9995, 14841, 18177, 903339, 884223, 595820, 2634932, 87048171, 77494350, 922158481, 356746599, 3529360152, 3294667771

Basic calculations (n = 18998957)

Multiplication

n×y
n×2 37997914
n×3 56996871
n×4 75995828
n×5 94994785

Division

n÷y
n÷2 9499478.5
n÷3 6332985.6666667
n÷3 4749739.25
n÷5 3799791.4

Exponentiation

ny
n2 360960367087849
n3 6.8578704930063E+21
n4 1.3029238660819E+29
n5 2.4754194505965E+36

Nth Root

y√n
2√n 4358.7793015935
3√n 266.83528207597
4√n 66.021051957641
5√n 28.559194353928

Divisors of 18998957

1, 18998957

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 18998958
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 9499479
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4358.7794163045
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999998947311
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18998957 can be divided by 2 positive divisors. The sum of these divisors (counting 18998957) is 18998958, the average is 9499479.

Base conversion 18998957

Base System Value
2 Binary 1001000011110011010101101
3 Ternary 1022202020200002
4 Quaternary 1020132122231
5 Quinary 14330431312
6 Senary 1515114045
8 Octal 110363255
10 Decimal 18998957
12 Duodecimal 6442925
16 Hexadecimal 121e6ad
20 Vigesimal 5ieh7h
36 Base36 bb7ot

Cryptographic Hash Functions

md5 1821b01a2b8f33194cefbf78c2ccef0e
sha1 be80377640b2751bc49e613e98e7010e90a7ddb8
sha256 2f23eaf32133cc1c7f36fd8fa66b097be86b95ffb7136255ee521a3ff2087b34
sha512 ca82d45d76e4eb301e36fd75b8512b2237a2381e344405337e5aae7934d222627cecf134fece764e5e31a0e7ca14a3d6f5d7752d07945dd1290a98c5b07024b7
ripemd-160 40601c4568dda1d3809aa0f14a6824d947cd2580

18998957 as geometric shapes

Circle

Radius = n
Diameter 37997914
Circumference 119373967.47414
Area 1.1339904374803E+15

Sphere

Radius = n
Volume 2.8726180746798E+22
Surface area 4.535961749921E+15
Circumference 119373967.47414

Square

Length = n
Perimeter 75995828
Area 360960367087849
Diagonal 26868582.660343

Cube

Length = n
Surface area 2165762202527094
Volume 6.8578704930063E+21
Space diagonal 32907158.814816

Equilateral Triangle

Length = n
Perimeter 56996871
Area 1.5630042382872E+14
Altitude 16453579.407408

Triangular Pyramid

Length = n
Surface area 1.5630042382872E+14
Volume 8.0820778835064E+20
Height 8956194.2201144