18888920 (number)

18888920 is an even 8-digits composite number following 18888919 and preceding 18888921. In scientific notation, it is written as 1.8888920 × 10^7. The sum of its digits is 44. It has a total of 6 prime factors and 32 positive divisors. There are 7311360 positive integers (up to 18888920) that are relatively prime to 18888920.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8888920 × 10^7
Engineering notation 1.8888920 × 10^6

Prime Factorization of 18888920

Prime Factorization 2 × 2 × 2 × 5 × 15233 × 31

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 4722230
Product of the distinct prime numbers

The prime factorization of 18888920 is 2 × 2 × 2 × 5 × 15233 × 31. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 9, 14, 92, 689, 508, 6500, 9293, 60599, 1581, 628242, 809551, 9821177, 5340095, 13937510, 26902882, 719291193, 863306778, 2892367633, 6670637691

Basic calculations (n = 18888920)

Multiplication

n×y
n×2 37777840
n×3 56666760
n×4 75555680
n×5 94444600

Division

n÷y
n÷2 9444460
n÷3 6296306.6666667
n÷3 4722230
n÷5 3777784

Exponentiation

ny
n2 356791298766400
n3 6.7394022990946E+21
n4 1.2730003087541E+29
n5 2.4045600992032E+36

Nth Root

y√n
2√n 4346.1385159702
3√n 266.31913756273
4√n 65.925249457019
5√n 28.526035966914

Divisors of 18888920

1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 15233, 30466, 60932, 76165, 121864, 152330, 304660, 472223, 609320, 944446, 1888892, 2361115, 3777784, 4722230, 9444460, 18888920

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18888919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18888920 can be divided by 32 positive divisors. The sum of these divisors (counting 18888920) is 1, the average is 0.03125.

Base conversion 18888920

Base System Value
2 Binary 1001000000011100011011000
3 Ternary 1022112122201122
4 Quaternary 1020003203120
5 Quinary 14313421140
6 Senary 1512504412
8 Octal 110034330
10 Decimal 18888920
12 Duodecimal 63ab108
16 Hexadecimal 12038d8
20 Vigesimal 5i1260
36 Base36 b8us8

Cryptographic Hash Functions

md5 4dd763a6e9550a8db61af8a4499db324
sha1 070de2c0c3069fa181e31644a6ceed55573b799d
sha256 2db2ecb53360117e65ffbaae18d70754b239fa773d7abd5a57c74098d5996ab8
sha512 5f8df28877945f6753aa54fc6cc20240b722c269b737bfa4858cca61943c71529ae042aaade758b6370f114f9961a594b8d9cd423d722e7f105117c846198ecc
ripemd-160 45177c2ec2fd8912606664db76e717fe607b9f42

18888920 as geometric shapes

Circle

Radius = n
Diameter 37777840
Circumference 118682584.61249
Area 1.1208929230693E+15

Sphere

Radius = n
Volume 2.8229942336562E+22
Surface area 4.4835716922771E+15
Circumference 118682584.61249

Square

Length = n
Perimeter 75555680
Area 356791298766400
Diagonal 26712966.84258

Cube

Length = n
Surface area 2140747792598400
Volume 6.7394022990946E+21
Space diagonal 32716569.140104

Equilateral Triangle

Length = n
Perimeter 56666760
Area 1.5449516429047E+14
Altitude 16358284.570052

Triangular Pyramid

Length = n
Surface area 1.5449516429047E+14
Volume 7.9424617780567E+20
Height 8904322.2808601