18389898 (number)

18389898 is an even 8-digits composite number following 18389897 and preceding 18389899. In scientific notation, it is written as 1.8389898 × 10^7. The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors. There are 6129960 positive integers (up to 18389898) that are relatively prime to 18389898.

Interesting facts

Basic properties

Name

Name eighteen million three hundred eighty-nine thousand eight hundred ninety-eight

Notation

Scientific notation 1.8389898 × 10^7
Engineering notation 1.8389898 × 10^6

Prime Factorization of 18389898

Prime Factorization 2 × 9 × 1021661

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18389898
Product of the distinct prime numbers

The prime factorization of 18389898 is 2 × 9 × 1021661. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18389898)

Multiplication

n×y
n×2 36779796
n×3 55169694
n×4 73559592
n×5 91949490

Division

n÷y
n÷2 9194949
n÷3 6129966
n÷3 4597474.5
n÷5 3677979.6

Exponentiation

ny
n2 338188348450404
n3 6.2192492327914E+21
n4 1.1437135902761E+29
n5 2.1032776266392E+36

Nth Root

y√n
2√n 4288.3444357934
3√n 263.95290137754
4√n 65.485452092762
5√n 28.373692913398

Divisors of 18389898

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 -18389897
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 18389898 can be divided by 8 positive divisors. The sum of these divisors (counting 18389898) is 1, the average is 0.125.

Base conversion 18389898

Base System Value
2 Binary 1000110001001101110001010
3 Ternary 1021121022012100
4 Quaternary 1012021232022
5 Quinary 14201434043
6 Senary 1454054230
8 Octal 106115612
10 Decimal 18389898
12 Duodecimal 61aa376
16 Hexadecimal 1189b8a
20 Vigesimal 5eieei
36 Base36 ay5qi

Cryptographic Hash Functions

md5 dcca97a07d14318b024f820afa39c2bb
sha1 8bbb86a7e0b150967cb50fd73f61c41daca66da2
sha256 0b57dc6abf4f1d47e1e5a9ed35266a603d51d63a33061149ea24d07440cc00cc
sha512 4c962319704eec0bc14fcb230cfb43288bdb12ea4eabdb1e295bc3532c03fe39283c215a7d30a1412995ef8093442507b12e951be4bf866b82194ad3197f804f
ripemd-160 b1e9a0e9a7cbe3976db3ef657a22416b24dfcfcd

18389898 as geometric shapes

Circle

Radius = n
Diameter 36779796
Circumference 115547136.91413
Area 1.0624500310215E+15

Sphere

Radius = n
Volume 2.6051130267442E+22
Surface area 4.2498001240858E+15
Circumference 115547136.91413

Square

Length = n
Perimeter 73559592
Area 338188348450404
Diagonal 26007243.162258

Cube

Length = n
Surface area 2029130090702424
Volume 6.2192492327914E+21
Space diagonal 31852237.682009

Equilateral Triangle

Length = n
Perimeter 55169694
Area 1.4643985051098E+14
Altitude 15926118.841005

Triangular Pyramid

Length = n
Surface area 1.4643985051098E+14
Volume 7.32945551066E+20
Height 8669081.054086