18005145 (number)

18005145 is an odd 8-digits composite number following 18005144 and preceding 18005146. In scientific notation, it is written as 1.8005145 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 9494144 positive integers (up to 18005145) that are relatively prime to 18005145.

Interesting facts

Basic properties

Name

Name eighteen million five thousand one hundred forty-five

Notation

Scientific notation 1.8005145 × 10^7
Engineering notation 1.8005145 × 10^6

Prime Factorization of 18005145

Prime Factorization 3 × 5 × 89 × 13487

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18005145
Product of the distinct prime numbers

The prime factorization of 18005145 is 3 × 5 × 89 × 13487. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 4, 95, 16, 308, 571, 7056, 224, 17065, 39641, 917635, 297694, 9651467, 3770971, 87521101, 58263318, 898315264, 142730618, 1995382083, 1427408155

Basic calculations (n = 18005145)

Multiplication

n×y
n×2 36010290
n×3 54015435
n×4 72020580
n×5 90025725

Division

n÷y
n÷2 9002572.5
n÷3 6001715
n÷3 4501286.25
n÷5 3601029

Exponentiation

ny
n2 324185246471025
n3 5.8370023695715E+21
n4 1.0509607402948E+29
n5 1.8922700518315E+36

Nth Root

y√n
2√n 4243.246987862
3√n 262.09910688381
4√n 65.140210222734
5√n 28.25395991271

Divisors of 18005145

1, 3, 5, 15, 89, 267, 445, 1335, 13487, 40461, 67435, 202305, 1200343, 3601029, 6001715, 18005145

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18005144
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18005145 can be divided by 16 positive divisors. The sum of these divisors (counting 18005145) is 1, the average is 0.0625.

Base conversion 18005145

Base System Value
2 Binary 1000100101011110010011001
3 Ternary 1020212202102020
4 Quaternary 1010223302121
5 Quinary 14102131040
6 Senary 1441525053
8 Octal 104536231
10 Decimal 18005145
12 Duodecimal 6043789
16 Hexadecimal 112bc99
20 Vigesimal 5cach5
36 Base36 apwux

Cryptographic Hash Functions

md5 631213bb98116738da9d5def3a2293dd
sha1 0186febdc7f82c02132b18ebcc5d8b6a869b2e20
sha256 f12dc515cb7e80003ddf22a716f234804890f5c8164bfdaa922ab326250ccc1f
sha512 afafc0887fa1fc1c96c3a5d1ac703be8f16c84812011942310476c2fa32fea7dcc614bf317fdba70e866e2d82353fb22598bcfdd5e0efc6719de07bea9527f31
ripemd-160 359d8e23cdb00231cee5e687b9278fe6f98df105

18005145 as geometric shapes

Circle

Radius = n
Diameter 36010290
Circumference 113129662.51764
Area 1.0184579887156E+15

Sphere

Radius = n
Volume 2.4449978350976E+22
Surface area 4.0738319548623E+15
Circumference 113129662.51764

Square

Length = n
Perimeter 72020580
Area 324185246471025
Diagonal 25463120.251494

Cube

Length = n
Surface area 1945111478826150
Volume 5.8370023695715E+21
Space diagonal 31185825.937645

Equilateral Triangle

Length = n
Perimeter 54015435
Area 1.4037632948801E+14
Altitude 15592912.968822

Triangular Pyramid

Length = n
Surface area 1.4037632948801E+14
Volume 6.87897326221E+20
Height 8487706.750498