18807989 (number)

18807989 is an odd 8-digits prime number following 18807988 and preceding 18807990. In scientific notation, it is written as 1.8807989 × 10^7. The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors. There are 18807988 positive integers (up to 18807989) that are relatively prime to 18807989.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred seven thousand nine hundred eighty-nine

Notation

Scientific notation 1.8807989 × 10^7
Engineering notation 1.8807989 × 10^6

Prime Factorization of 18807989

Prime Factorization 18807989

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 18807989
Product of the distinct prime numbers

The prime factorization of 18807989 is 18807989. Since it has a total of 1 prime factors.

Most popular turbo-numbers

6, 1, 37, 92, 474, 628, 1153, 3698, 71431, 30223, 412039, 222604, 7864873, 843889, 55164203, 23454434, 312041380, 999678761, 3851663135, 5418326464

Basic calculations (n = 18807989)

Multiplication

n×y
n×2 37615978
n×3 56423967
n×4 75231956
n×5 94039945

Division

n÷y
n÷2 9403994.5
n÷3 6269329.6666667
n÷3 4701997.25
n÷5 3761597.8

Exponentiation

ny
n2 353740450224121
n3 6.6531464966703E+21
n4 1.2513230612476E+29
n5 2.3534870371392E+36

Nth Root

y√n
2√n 4336.8178426123
3√n 265.93823824718
4√n 65.854520289895
5√n 28.501549575561

Divisors of 18807989

1, 18807989

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 18807990
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 9403995
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4336.8179579042
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999998936622
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18807989 can be divided by 2 positive divisors. The sum of these divisors (counting 18807989) is 18807990, the average is 9403995.

Base conversion 18807989

Base System Value
2 Binary 1000111101111110010110101
3 Ternary 1022101112201012
4 Quaternary 1013233302311
5 Quinary 14303323424
6 Senary 1511042005
8 Octal 107576265
10 Decimal 18807989
12 Duodecimal 6370305
16 Hexadecimal 11efcb5
20 Vigesimal 5hajj9
36 Base36 b74c5

Cryptographic Hash Functions

md5 0e327dc8ff3893c08c30747236d8c421
sha1 8b20fe437bf1e996c022db9ce633185d61443f7b
sha256 c60125ce690bef1484a3880219badddd2258efeb4ca5d08857b72e7a930c3175
sha512 5b057aa6a608387eaa06e9423753ca65fd1fd49627f64e6939dbf1cd085e003a78b17d4f99c766c648cba77cf073fa5156e164e3e0290289ae9f72627f95346a
ripemd-160 39231dcb6e35be77f62bb04f4f294e709f94bbb0

18807989 as geometric shapes

Circle

Radius = n
Diameter 37615978
Circumference 118174080.1424
Area 1.1113083997016E+15

Sphere

Radius = n
Volume 2.7868634876262E+22
Surface area 4.4452335988066E+15
Circumference 118174080.1424

Square

Length = n
Perimeter 75231956
Area 353740450224121
Diagonal 26598513.124764

Cube

Length = n
Surface area 2122442701344726
Volume 6.6531464966703E+21
Space diagonal 32576392.536197

Equilateral Triangle

Length = n
Perimeter 56423967
Area 1.5317410812012E+14
Altitude 16288196.268098

Triangular Pyramid

Length = n
Surface area 1.5317410812012E+14
Volume 7.8408083400385E+20
Height 8866171.041588