18446945 (number)

18446945 is an odd 8-digits composite number following 18446944 and preceding 18446946. In scientific notation, it is written as 1.8446945 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors. There are 13320000 positive integers (up to 18446945) that are relatively prime to 18446945.

Interesting facts

Basic properties

Name

Name eighteen million four hundred forty-six thousand nine hundred forty-five

Notation

Scientific notation 1.8446945 × 10^7
Engineering notation 1.8446945 × 10^6

Prime Factorization of 18446945

Prime Factorization 5 × 11 × 149 × 2251

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18446945
Product of the distinct prime numbers

The prime factorization of 18446945 is 5 × 11 × 149 × 2251. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 4, 79, 3, 362, 406, 730, 852, 93107, 71560, 908636, 18172, 1772980, 2395342, 10665765, 59826573, 103457979, 763948136, 567921525, 4279777852

Basic calculations (n = 18446945)

Multiplication

n×y
n×2 36893890
n×3 55340835
n×4 73787780
n×5 92234725

Division

n÷y
n÷2 9223472.5
n÷3 6148981.6666667
n÷3 4611736.25
n÷5 3689389

Exponentiation

ny
n2 340289779833025
n3 6.2773068526419E+21
n4 1.1579713425881E+29
n5 2.1361033668299E+36

Nth Root

y√n
2√n 4294.9906868351
3√n 264.22555429165
4√n 65.536178457666
5√n 28.391274624123

Divisors of 18446945

1, 5, 11, 55, 149, 745, 1639, 2251, 8195, 11255, 24761, 123805, 335399, 1676995, 3689389, 18446945

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 -18446944
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 18446945 can be divided by 16 positive divisors. The sum of these divisors (counting 18446945) is 1, the average is 0.0625.

Base conversion 18446945

Base System Value
2 Binary 1000110010111101001100001
3 Ternary 1021201012110012
4 Quaternary 1012113221201
5 Quinary 14210300240
6 Senary 1455214305
8 Octal 106275141
10 Decimal 18446945
12 Duodecimal 6217395
16 Hexadecimal 1197a61
20 Vigesimal 5f5h75
36 Base36 azdr5

Cryptographic Hash Functions

md5 600f28e577275d148247201f198830a5
sha1 21fb1e79a2d5cdc468927710b9e25a02b65e25a1
sha256 65e0e9101cc6323f4cc612dc465e68e6391a7c5b7d81ce0bdae3ff8ddebb20e5
sha512 c896b3dc9af314928c9abe20381c85ff6def895144622f9098515ec5f5144bac97a4bb20adc63fb81e8b7b48da3fbb0825e28243eb7574bccb764fe6ad2637d1
ripemd-160 4286b1f3d1638d4bcbda147db5a725bd7069ce6a

18446945 as geometric shapes

Circle

Radius = n
Diameter 36893890
Circumference 115905573.78635
Area 1.0690518724151E+15

Sphere

Radius = n
Volume 2.6294321456785E+22
Surface area 4.2762074896605E+15
Circumference 115905573.78635

Square

Length = n
Perimeter 73787780
Area 340289779833025
Diagonal 26087919.803351

Cube

Length = n
Surface area 2041738678998150
Volume 6.2773068526419E+21
Space diagonal 31951045.984429

Equilateral Triangle

Length = n
Perimeter 55340835
Area 1.4734979699181E+14
Altitude 15975522.992214

Triangular Pyramid

Length = n
Surface area 1.4734979699181E+14
Volume 7.3978770718198E+20
Height 8695973.2677835