18157072 (number)

18157072 is an even 8-digits composite number following 18157071 and preceding 18157073. In scientific notation, it is written as 1.8157072 × 10^7. The sum of its digits is 31. It has a total of 6 prime factors and 20 positive divisors. There are 8785440 positive integers (up to 18157072) that are relatively prime to 18157072.

Interesting facts

Basic properties

Name

Name eighteen million one hundred fifty-seven thousand seventy-two

Notation

Scientific notation 1.8157072 × 10^7
Engineering notation 1.8157072 × 10^6

Prime Factorization of 18157072

Prime Factorization 2 × 2 × 2 × 2 × 31 × 36607

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2269634
Product of the distinct prime numbers

The prime factorization of 18157072 is 2 × 2 × 2 × 2 × 31 × 36607. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 2, 31, 79, 113, 910, 1912, 3517, 23673, 68426, 928509, 880565, 6836817, 4874645, 24062060, 40063497, 912954422, 329709411, 4932544361, 280115242

Basic calculations (n = 18157072)

Multiplication

n×y
n×2 36314144
n×3 54471216
n×4 72628288
n×5 90785360

Division

n÷y
n÷2 9078536
n÷3 6052357.3333333
n÷3 4539268
n÷5 3631414.4

Exponentiation

ny
n2 329679263613184
n3 5.9860101263316E+21
n4 1.0868841685653E+29
n5 1.9734634104301E+36

Nth Root

y√n
2√n 4261.1115920614
3√n 262.83423848495
4√n 65.277190442462
5√n 28.301481042343

Divisors of 18157072

1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 36607, 73214, 146428, 292856, 585712, 1134817, 2269634, 4539268, 9078536, 18157072

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 -18157071
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 18157072 can be divided by 20 positive divisors. The sum of these divisors (counting 18157072) is 1, the average is 0.05.

Base conversion 18157072

Base System Value
2 Binary 1000101010000111000010000
3 Ternary 1021011110211011
4 Quaternary 1011100320100
5 Quinary 14122011242
6 Senary 1445100304
8 Octal 105207020
10 Decimal 18157072
12 Duodecimal 60b7694
16 Hexadecimal 1150e10
20 Vigesimal 5d9cdc
36 Base36 at634

Cryptographic Hash Functions

md5 84a9693458b3b32d9ecc7c3accd51b27
sha1 ebe841dbb3e6586a3ae9b988c46c94bad76b5824
sha256 35bf8a07735710344a3b02e551494b317762336d45488ea6125ac34af1724bcb
sha512 1f6e124727d84e3678d487c2f9818226484de14a34ae2df74b24b194ed9b3c645050fa25543542bc43caa20b603f41bfc1e5a91b88b8df99cd0994be524f2032
ripemd-160 0c7377471cd370c347de2754b9d869d514a0b265

18157072 as geometric shapes

Circle

Radius = n
Diameter 36314144
Circumference 114084248.0118
Area 1.0357179526081E+15

Sphere

Radius = n
Volume 2.507414058293E+22
Surface area 4.1428718104323E+15
Circumference 114084248.0118

Square

Length = n
Perimeter 72628288
Area 329679263613184
Diagonal 25677977.475385

Cube

Length = n
Surface area 1978075581679104
Volume 5.9860101263316E+21
Space diagonal 31448971.220686

Equilateral Triangle

Length = n
Perimeter 54471216
Area 1.4275530869498E+14
Altitude 15724485.610343

Triangular Pyramid

Length = n
Surface area 1.4275530869498E+14
Volume 7.054580587634E+20
Height 8559325.8251283