18408972 (number)

18408972 is an even 8-digits composite number following 18408971 and preceding 18408973. In scientific notation, it is written as 1.8408972 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors. There are 6136320 positive integers (up to 18408972) that are relatively prime to 18408972.

Interesting facts

Basic properties

Name

Name eighteen million four hundred eight thousand nine hundred seventy-two

Notation

Scientific notation 1.8408972 × 10^7
Engineering notation 1.8408972 × 10^6

Prime Factorization of 18408972

Prime Factorization 2 × 2 × 3 × 1534081

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9204486
Product of the distinct prime numbers

The prime factorization of 18408972 is 2 × 2 × 3 × 1534081. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 7, 37, 59, 542, 252, 4805, 2110, 83258, 36901, 651589, 238992, 2949780, 7163712, 59773819, 64643832, 693100759, 900804865, 8902086821, 8730784860

Basic calculations (n = 18408972)

Multiplication

n×y
n×2 36817944
n×3 55226916
n×4 73635888
n×5 92044860

Division

n÷y
n÷2 9204486
n÷3 6136324
n÷3 4602243
n÷5 3681794.4

Exponentiation

ny
n2 338890250096784
n3 6.2386211251047E+21
n4 1.1484660161066E+29
n5 2.1142078733458E+36

Nth Root

y√n
2√n 4290.5677945932
3√n 264.0441271509
4√n 65.502425868002
5√n 28.379576311178

Divisors of 18408972

1, 2, 3, 4, 6, 12, 1534081, 3068162, 4602243, 6136324, 9204486, 18408972

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18408971
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18408972 can be divided by 12 positive divisors. The sum of these divisors (counting 18408972) is 1, the average is 0.083333333333333.

Base conversion 18408972

Base System Value
2 Binary 1000110001110011000001100
3 Ternary 1021122021100210
4 Quaternary 1012032120030
5 Quinary 14203041342
6 Senary 1454322420
8 Octal 106163014
10 Decimal 18408972
12 Duodecimal 61b9410
16 Hexadecimal 118e60c
20 Vigesimal 5f128c
36 Base36 aykgc

Cryptographic Hash Functions

md5 5c21e96f0672c500b24567c8c2f47928
sha1 7ce458316cae34762cbc6f55a2abeb8589185bbf
sha256 2f01f4aa849126e057ba3d7386e26cd510379c33fff5bfd1d9eae6ebc41295a7
sha512 24fab5997b529f839402055e082d80dba771fef9c4d8741d0b09f38b2ebef26e3e6fe141397637c8492dfcaaa0afcb6b512aa6d90b74fad8c87214bea9001c04
ripemd-160 2b3273bb1bc75d6b65b525e089217b64fa82d84f

18408972 as geometric shapes

Circle

Radius = n
Diameter 36817944
Circumference 115666982.39068
Area 1.0646551200773E+15

Sphere

Radius = n
Volume 2.6132275060212E+22
Surface area 4.2586204803091E+15
Circumference 115666982.39068

Square

Length = n
Perimeter 73635888
Area 338890250096784
Diagonal 26034217.871747

Cube

Length = n
Surface area 2033341500580704
Volume 6.2386211251047E+21
Space diagonal 31885274.819113

Equilateral Triangle

Length = n
Perimeter 55226916
Area 1.4674378283934E+14
Altitude 15942637.409556

Triangular Pyramid

Length = n
Surface area 1.4674378283934E+14
Volume 7.352285504692E+20
Height 8678072.6239155