18989907 (number)

18989907 is an odd 8-digits composite number following 18989906 and preceding 18989908. In scientific notation, it is written as 1.8989907 × 10^7. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 12609000 positive integers (up to 18989907) that are relatively prime to 18989907.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8989907 × 10^7
Engineering notation 1.8989907 × 10^6

Prime Factorization of 18989907

Prime Factorization 3 × 251 × 25219

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18989907
Product of the distinct prime numbers

The prime factorization of 18989907 is 3 × 251 × 25219. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18989907)

Multiplication

n×y
n×2 37979814
n×3 56969721
n×4 75959628
n×5 94949535

Division

n÷y
n÷2 9494953.5
n÷3 6329969
n÷3 4747476.75
n÷5 3797981.4

Exponentiation

ny
n2 360616567868649
n3 6.8480750864848E+21
n4 1.3004430902136E+29
n5 2.469529334195E+36

Nth Root

y√n
2√n 4357.7410432471
3√n 266.79290706845
4√n 66.013188403887
5√n 28.556473046971

Divisors of 18989907

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18989906
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18989907 can be divided by 8 positive divisors. The sum of these divisors (counting 18989907) is 1, the average is 0.125.

Base conversion 18989907

Base System Value
2 Binary 1001000011100001101010011
3 Ternary 1022201210020220
4 Quaternary 1020130031103
5 Quinary 14330134112
6 Senary 1515004123
8 Octal 110341523
10 Decimal 18989907
12 Duodecimal 6439643
16 Hexadecimal 121c353
20 Vigesimal 5idef7
36 Base36 bb0pf

Cryptographic Hash Functions

md5 b713345a2fedfd0321d45648828f3558
sha1 e6304227c65ca05ed94147dcd87feabeacd5e8a8
sha256 b08b2d9bccb3ea0805eadcfaef5cce7a5dc40f80c025223b292498ff2f587963
sha512 ac5c31c16fbc1ff02535407de9e77ea481d9abac5a57c35d9b315d6fb91a569f0557ae45f313f050fcbb42ab913ed72729f2b7d3741f5c70d5a6da49987578bf
ripemd-160 a78a5e99c733607047ae142bfb5e08dcd8fb249e

18989907 as geometric shapes

Circle

Radius = n
Diameter 37979814
Circumference 119317104.64711
Area 1.1329103603789E+15

Sphere

Radius = n
Volume 2.8685149843909E+22
Surface area 4.5316414415157E+15
Circumference 119317104.64711

Square

Length = n
Perimeter 75959628
Area 360616567868649
Diagonal 26855784.027604

Cube

Length = n
Surface area 2163699407211894
Volume 6.8480750864848E+21
Space diagonal 32891483.755008

Equilateral Triangle

Length = n
Perimeter 56969721
Area 1.561515543999E+14
Altitude 16445741.877504

Triangular Pyramid

Length = n
Surface area 1.561515543999E+14
Volume 8.0705338862135E+20
Height 8951928.0092013