18442949 (number)

18442949 is an odd 8-digits composite number following 18442948 and preceding 18442950. In scientific notation, it is written as 1.8442949 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 15808236 positive integers (up to 18442949) that are relatively prime to 18442949.

Interesting facts

Basic properties

Name

Name eighteen million four hundred forty-two thousand nine hundred forty-nine

Notation

Scientific notation 1.8442949 × 10^7
Engineering notation 1.8442949 × 10^6

Prime Factorization of 18442949

Prime Factorization 7 × 2634707

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18442949
Product of the distinct prime numbers

The prime factorization of 18442949 is 7 × 2634707. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18442949)

Multiplication

n×y
n×2 36885898
n×3 55328847
n×4 73771796
n×5 92214745

Division

n÷y
n÷2 9221474.5
n÷3 6147649.6666667
n÷3 4610737.25
n÷5 3688589.8

Exponentiation

ny
n2 340142367816601
n3 6.2732283423808E+21
n4 1.1569683038388E+29
n5 2.1337907422316E+36

Nth Root

y√n
2√n 4294.5254685471
3√n 264.20647395859
4√n 65.532629037352
5√n 28.390044486937

Divisors of 18442949

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18442948
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18442949 can be divided by 4 positive divisors. The sum of these divisors (counting 18442949) is 1, the average is 0.25.

Base conversion 18442949

Base System Value
2 Binary 1000110010110101011000101
3 Ternary 1021200222222012
4 Quaternary 1012112223011
5 Quinary 14210133244
6 Senary 1455144005
8 Octal 106265305
10 Decimal 18442949
12 Duodecimal 6215005
16 Hexadecimal 1196ac5
20 Vigesimal 5f5779
36 Base36 azao5

Cryptographic Hash Functions

md5 cdae7306d50621ccc8eb3cc255c70989
sha1 68353cb979255c857ac49df178b0f8109b88b458
sha256 68c7bc0690d79d614e029a70cc2eadfd417a3cd71e9b1c14570918d7ecbe9c2c
sha512 1a3d787ad39ee83d409786d92c75421bfb820afe9a6ad7c4677ee54c608f2597b4773f6bf21f3270235ea669165ad0d1369ed4ce032e6a783eb4d782751fa758
ripemd-160 56e578f902dea310e4c9b38ed73a04bb884bbfa8

18442949 as geometric shapes

Circle

Radius = n
Diameter 36885898
Circumference 115880466.17786
Area 1.0685887639073E+15

Sphere

Radius = n
Volume 2.6277237432953E+22
Surface area 4.2743550556291E+15
Circumference 115880466.17786

Square

Length = n
Perimeter 73771796
Area 340142367816601
Diagonal 26082268.605955

Cube

Length = n
Surface area 2040854206899606
Volume 6.2732283423808E+21
Space diagonal 31944124.709402

Equilateral Triangle

Length = n
Perimeter 55328847
Area 1.4728596571628E+14
Altitude 15972062.354701

Triangular Pyramid

Length = n
Surface area 1.4728596571628E+14
Volume 7.3930705013819E+20
Height 8694089.5353184