18051385 (number)

18051385 is an odd 8-digits composite number following 18051384 and preceding 18051386. In scientific notation, it is written as 1.8051385 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 13127840 positive integers (up to 18051385) that are relatively prime to 18051385.

Interesting facts

Basic properties

Name

Name eighteen million fifty-one thousand three hundred eighty-five

Notation

Scientific notation 1.8051385 × 10^7
Engineering notation 1.8051385 × 10^6

Prime Factorization of 18051385

Prime Factorization 5 × 11 × 11 × 29837

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1641035
Product of the distinct prime numbers

The prime factorization of 18051385 is 5 × 11 × 11 × 29837. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 7, 6, 40, 341, 917, 4956, 5694, 26557, 63195, 925113, 13904, 9062326, 8345306, 17301373, 77840405, 528490235, 898580317, 6404623697, 8279281632

Basic calculations (n = 18051385)

Multiplication

n×y
n×2 36102770
n×3 54154155
n×4 72205540
n×5 90256925

Division

n÷y
n÷2 9025692.5
n÷3 6017128.3333333
n÷3 4512846.25
n÷5 3610277

Exponentiation

ny
n2 325852500418225
n3 5.882088938262E+21
n4 1.0617985202881E+29
n5 1.9166933882151E+36

Nth Root

y√n
2√n 4248.6921517097
3√n 262.32328544673
4√n 65.181992541727
5√n 28.268457136596

Divisors of 18051385

1, 5, 11, 55, 121, 605, 29837, 149185, 328207, 1641035, 3610277, 18051385

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 -18051384
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 18051385 can be divided by 12 positive divisors. The sum of these divisors (counting 18051385) is 1, the average is 0.083333333333333.

Base conversion 18051385

Base System Value
2 Binary 1000100110111000100111001
3 Ternary 1020222002211211
4 Quaternary 1010313010321
5 Quinary 14110121020
6 Senary 1442523121
8 Octal 104670471
10 Decimal 18051385
12 Duodecimal 60664a1
16 Hexadecimal 1137139
20 Vigesimal 5cg895
36 Base36 aqwjd

Cryptographic Hash Functions

md5 15c2acfed037e614835b238097a58d86
sha1 2dace6ed748a642f55558ff2ed0f1266ef9f04d0
sha256 9f0d718dab3340d6c351f09cc76515d62cbdff34489e866869466e7d6c0137b1
sha512 0fd7aba80d137cc995a12963ad52573ba5be3685c48487f2a3d75c3a8698b243e0a8be3117a9e55abdc0bc63728cc5fb3dff1296f80a79e4ffb60dcd0b2e55b3
ripemd-160 8bc2260a0808373d1ef863a4d33037f7560ab0a6

18051385 as geometric shapes

Circle

Radius = n
Diameter 36102770
Circumference 113420197.00624
Area 1.0236958214678E+15

Sphere

Radius = n
Volume 2.4638836528274E+22
Surface area 4.094783285871E+15
Circumference 113420197.00624

Square

Length = n
Perimeter 72205540
Area 325852500418225
Diagonal 25528513.486618

Cube

Length = n
Surface area 1955115002509350
Volume 5.882088938262E+21
Space diagonal 31265915.966987

Equilateral Triangle

Length = n
Perimeter 54154155
Area 1.4109827162443E+14
Altitude 15632957.983493

Triangular Pyramid

Length = n
Surface area 1.4109827162443E+14
Volume 6.9321082929791E+20
Height 8509504.4955394