18821072 (number)

18821072 is an even 8-digits composite number following 18821071 and preceding 18821073. In scientific notation, it is written as 1.8821072 × 10^7. The sum of its digits is 29. It has a total of 6 prime factors and 20 positive divisors. There are 9393120 positive integers (up to 18821072) that are relatively prime to 18821072.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred twenty-one thousand seventy-two

Notation

Scientific notation 1.8821072 × 10^7
Engineering notation 1.8821072 × 10^6

Prime Factorization of 18821072

Prime Factorization 2 × 2 × 2 × 2 × 1187 × 991

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2352634
Product of the distinct prime numbers

The prime factorization of 18821072 is 2 × 2 × 2 × 2 × 1187 × 991. Since it has a total of 6 prime factors.

Most popular turbo-numbers

10, 10, 78, 95, 993, 207, 1277, 7853, 13343, 93069, 792707, 980027, 2474826, 5837973, 91029583, 20215830, 758039049, 817644927, 3817049184, 9432809586

Basic calculations (n = 18821072)

Multiplication

n×y
n×2 37642144
n×3 56463216
n×4 75284288
n×5 94105360

Division

n÷y
n÷2 9410536
n÷3 6273690.6666667
n÷3 4705268
n÷5 3764214.4

Exponentiation

ny
n2 354232751229184
n3 6.6670401156426E+21
n4 1.254808420434E+29
n5 2.3616839627194E+36

Nth Root

y√n
2√n 4338.3259444168
3√n 265.99988693534
4√n 65.865969547383
5√n 28.505513657668

Divisors of 18821072

1, 2, 4, 8, 16, 991, 1187, 1982, 2374, 3964, 4748, 7928, 9496, 15856, 18992, 1176317, 2352634, 4705268, 9410536, 18821072

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18821071
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18821072 can be divided by 20 positive divisors. The sum of these divisors (counting 18821072) is 1, the average is 0.05.

Base conversion 18821072

Base System Value
2 Binary 1000111110010111111010000
3 Ternary 1022102012122202
4 Quaternary 1013302333100
5 Quinary 14304233242
6 Senary 1511222332
8 Octal 107627720
10 Decimal 18821072
12 Duodecimal 63779a8
16 Hexadecimal 11f2fd0
20 Vigesimal 5hccdc
36 Base36 b7efk

Cryptographic Hash Functions

md5 47f9fbff366128b7255d12380d79465f
sha1 16a4fd5444c6899de28d03c8449d9d907f6b8157
sha256 6c668606accb9452e6df56de6f9c11de965bb537ff307c2f5207eecfe605c89e
sha512 e8ffa9177d431c83040e1d83d67c9201b26c6c0bb27a511d36be3f4b502a1cb884cedb8adebf294dbdb40463fbb28786d54240de8569e99d07c60bf401a18ed3
ripemd-160 3e04ddd506cc99592c683a0e384c171b71021267

18821072 as geometric shapes

Circle

Radius = n
Diameter 37642144
Circumference 118256283.05577
Area 1.1128550089225E+15

Sphere

Radius = n
Volume 2.7926832331321E+22
Surface area 4.45142003569E+15
Circumference 118256283.05577

Square

Length = n
Perimeter 75284288
Area 354232751229184
Diagonal 26617015.280801

Cube

Length = n
Surface area 2125396507375104
Volume 6.6670401156426E+21
Space diagonal 32599052.956912

Equilateral Triangle

Length = n
Perimeter 56463216
Area 1.5338728070846E+14
Altitude 16299526.478456

Triangular Pyramid

Length = n
Surface area 1.5338728070846E+14
Volume 7.8571821270227E+20
Height 8872338.4269335