18994865 (number)

18994865 is an odd 8-digits composite number following 18994864 and preceding 18994866. In scientific notation, it is written as 1.8994865 × 10^7. The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors. There are 14301952 positive integers (up to 18994865) that are relatively prime to 18994865.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred ninety-four thousand eight hundred sixty-five

Notation

Scientific notation 1.8994865 × 10^7
Engineering notation 1.8994865 × 10^6

Prime Factorization of 18994865

Prime Factorization 5 × 17 × 223469

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18994865
Product of the distinct prime numbers

The prime factorization of 18994865 is 5 × 17 × 223469. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 10, 32, 45, 761, 595, 2558, 5816, 40544, 45096, 240, 82812, 593747, 7262954, 92811860, 96879880, 47339748, 703336560, 9361203718, 875590030

Basic calculations (n = 18994865)

Multiplication

n×y
n×2 37989730
n×3 56984595
n×4 75979460
n×5 94974325

Division

n÷y
n÷2 9497432.5
n÷3 6331621.6666667
n÷3 4748716.25
n÷5 3798973

Exponentiation

ny
n2 360804896368225
n3 6.8534402978534E+21
n4 1.3018017324329E+29
n5 2.4727548164328E+36

Nth Root

y√n
2√n 4358.3098788406
3√n 266.81612368438
4√n 66.017496762909
5√n 28.557964030677

Divisors of 18994865

1, 5, 17, 85, 223469, 1117345, 3798973, 18994865

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 -18994864
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 18994865 can be divided by 8 positive divisors. The sum of these divisors (counting 18994865) is 1, the average is 0.125.

Base conversion 18994865

Base System Value
2 Binary 1001000011101011010110001
3 Ternary 1022202001001112
4 Quaternary 1020131122301
5 Quinary 14330313430
6 Senary 1515043105
8 Octal 110353261
10 Decimal 18994865
12 Duodecimal 6440495
16 Hexadecimal 121d6b1
20 Vigesimal 5ie735
36 Base36 bb4j5

Cryptographic Hash Functions

md5 63944552b1ef018030824f6ae7179d8b
sha1 6bf5a959180d6b4e95dc063af33256f1487c56fd
sha256 6bf01c39c205c3717ff5c33d2839772a711a8b1b3837470d71c594fad3f99531
sha512 0d2a471d58495e8f0e081ea4dff8f54ee1f28dbe92ae897dcacae61bf3ff5d3b098ce091da5e2fc03b40c7c11c5155aec14c845188f6b846a144a13a60ccf57b
ripemd-160 0c3ff52e8d1142f36e083aed9d5ba5dfcbbe6a0a

18994865 as geometric shapes

Circle

Radius = n
Diameter 37989730
Circumference 119348256.67986
Area 1.1335020118096E+15

Sphere

Radius = n
Volume 2.8707623588737E+22
Surface area 4.5340080472386E+15
Circumference 119348256.67986

Square

Length = n
Perimeter 75979460
Area 360804896368225
Diagonal 26862795.698446

Cube

Length = n
Surface area 2164829378209350
Volume 6.8534402978534E+21
Space diagonal 32900071.262912

Equilateral Triangle

Length = n
Perimeter 56984595
Area 1.5623310303235E+14
Altitude 16450035.631456

Triangular Pyramid

Length = n
Surface area 1.5623310303235E+14
Volume 8.0768568484488E+20
Height 8954265.2328153