18442947 (number)

18442947 is an odd 8-digits composite number following 18442946 and preceding 18442948. In scientific notation, it is written as 1.8442947 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 12216672 positive integers (up to 18442947) that are relatively prime to 18442947.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8442947 × 10^7
Engineering notation 1.8442947 × 10^6

Prime Factorization of 18442947

Prime Factorization 3 × 157 × 39157

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18442947
Product of the distinct prime numbers

The prime factorization of 18442947 is 3 × 157 × 39157. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18442947)

Multiplication

n×y
n×2 36885894
n×3 55328841
n×4 73771788
n×5 92214735

Division

n÷y
n÷2 9221473.5
n÷3 6147649
n÷3 4610736.75
n÷5 3688589.4

Exponentiation

ny
n2 340142294044809
n3 6.2732263015268E+21
n4 1.1569678019807E+29
n5 2.1337895852636E+36

Nth Root

y√n
2√n 4294.5252356925
3√n 264.20646440818
4√n 65.532627260721
5√n 28.3900438712

Divisors of 18442947

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18442946
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18442947 can be divided by 8 positive divisors. The sum of these divisors (counting 18442947) is 1, the average is 0.125.

Base conversion 18442947

Base System Value
2 Binary 1000110010110101011000011
3 Ternary 1021200222222010
4 Quaternary 1012112223003
5 Quinary 14210133242
6 Senary 1455144003
8 Octal 106265303
10 Decimal 18442947
12 Duodecimal 6215003
16 Hexadecimal 1196ac3
20 Vigesimal 5f5777
36 Base36 azao3

Cryptographic Hash Functions

md5 05ee62a057c447129bb451ff7d99ca43
sha1 ead28222efeef129b0d420a7e70630b2555978fd
sha256 1bf843944d58d648abe873d454c3a81e230377abd888ffc16511dfec25732a23
sha512 9c1e250716703517cc9fffe0e5ad698a9904b5275f756c37ffac7f5139d511b2eade8a1ae93db7ebe4decfb718ddeb4657b11c49a60ebb9bfadcf5d463df4b68
ripemd-160 e4263a9b4c582d0910b80ef4a013c4ccb0ad0c95

18442947 as geometric shapes

Circle

Radius = n
Diameter 36885894
Circumference 115880453.61149
Area 1.0685885321464E+15

Sphere

Radius = n
Volume 2.6277228884244E+22
Surface area 4.2743541285854E+15
Circumference 115880453.61149

Square

Length = n
Perimeter 73771788
Area 340142294044809
Diagonal 26082265.777528

Cube

Length = n
Surface area 2040853764268854
Volume 6.2732263015268E+21
Space diagonal 31944121.2453

Equilateral Triangle

Length = n
Perimeter 55328841
Area 1.4728593377216E+14
Altitude 15972060.62265

Triangular Pyramid

Length = n
Surface area 1.4728593377216E+14
Volume 7.3930680962124E+20
Height 8694088.5925094