18821425 (number)

18821425 is an odd 8-digits composite number following 18821424 and preceding 18821426. In scientific notation, it is written as 1.8821425 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 12792000 positive integers (up to 18821425) that are relatively prime to 18821425.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred twenty-one thousand four hundred twenty-five

Notation

Scientific notation 1.8821425 × 10^7
Engineering notation 1.8821425 × 10^6

Prime Factorization of 18821425

Prime Factorization 35 × 5 × 131 × 821

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18821425
Product of the distinct prime numbers

The prime factorization of 18821425 is 35 × 5 × 131 × 821. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 10, 19, 18, 449, 202, 7214, 4467, 91435, 79898, 247721, 480829, 2146432, 1252987, 20818822, 32229949, 919564027, 459695177, 346206018, 1863615477

Basic calculations (n = 18821425)

Multiplication

n×y
n×2 37642850
n×3 56464275
n×4 75285700
n×5 94107125

Division

n÷y
n÷2 9410712.5
n÷3 6273808.3333333
n÷3 4705356.25
n÷5 3764285

Exponentiation

ny
n2 354246039030625
n3 6.667415255162E+21
n4 1.2549025616889E+29
n5 2.3619054447135E+36

Nth Root

y√n
2√n 4338.3666281217
3√n 266.00154991842
4√n 65.86627838372
5√n 28.505620584318

Divisors of 18821425

1, 5, 35, 131, 175, 655, 821, 4105, 4585, 22925, 28735, 107551, 143675, 537755, 3764285, 18821425

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18821424
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18821425 can be divided by 16 positive divisors. The sum of these divisors (counting 18821425) is 1, the average is 0.0625.

Base conversion 18821425

Base System Value
2 Binary 1000111110011000100110001
3 Ternary 1022102020010211
4 Quaternary 1013303010301
5 Quinary 14304241200
6 Senary 1511224121
8 Octal 107630461
10 Decimal 18821425
12 Duodecimal 6378041
16 Hexadecimal 11f3131
20 Vigesimal 5hcdb5
36 Base36 b7epd

Cryptographic Hash Functions

md5 f46dad19cc94122f5619ed6deaf18958
sha1 d1f7989f5575e9727ab8f4af67137b915ca4e951
sha256 b1e2a3319d168454823ba46cd403029f6b995196f43d8b165a078f9ac679019f
sha512 3f1dfc5fe1e2ea0fc9fa8f57280afd2a0eaed125bd2f5329b2c1078375166b94953c333d4aa27aee18b756af7be806b13bb131ca4e6cdb5a015a5f3f9db40c8d
ripemd-160 aac02cf712a9531037f76302906293f060668014

18821425 as geometric shapes

Circle

Radius = n
Diameter 37642850
Circumference 118258501.02018
Area 1.1128967537819E+15

Sphere

Radius = n
Volume 2.7928403712066E+22
Surface area 4.4515870151276E+15
Circumference 118258501.02018

Square

Length = n
Perimeter 75285700
Area 354246039030625
Diagonal 26617514.498188

Cube

Length = n
Surface area 2125476234183750
Volume 6.667415255162E+21
Space diagonal 32599664.370847

Equilateral Triangle

Length = n
Perimeter 56464275
Area 1.5339303449527E+14
Altitude 16299832.185424

Triangular Pyramid

Length = n
Surface area 1.5339303449527E+14
Volume 7.8576242331861E+20
Height 8872504.8327293