18072261 (number)

18072261 is an odd 8-digits composite number following 18072260 and preceding 18072262. In scientific notation, it is written as 1.8072261 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 12012480 positive integers (up to 18072261) that are relatively prime to 18072261.

Interesting facts

Basic properties

Name

Name eighteen million seventy-two thousand two hundred sixty-one

Notation

Scientific notation 1.8072261 × 10^7
Engineering notation 1.8072261 × 10^6

Prime Factorization of 18072261

Prime Factorization 27 × 431 × 1553

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18072261
Product of the distinct prime numbers

The prime factorization of 18072261 is 27 × 431 × 1553. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18072261)

Multiplication

n×y
n×2 36144522
n×3 54216783
n×4 72289044
n×5 90361305

Division

n÷y
n÷2 9036130.5
n÷3 6024087
n÷3 4518065.25
n÷5 3614452.2

Exponentiation

ny
n2 326606617652121
n3 5.9025200385363E+21
n4 1.0667188269416E+29
n5 1.9278021054102E+36

Nth Root

y√n
2√n 4251.1481978402
3√n 262.42437004877
4√n 65.200829732759
5√n 28.274992474586

Divisors of 18072261

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 -18072260
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 18072261 can be divided by 8 positive divisors. The sum of these divisors (counting 18072261) is 1, the average is 0.125.

Base conversion 18072261

Base System Value
2 Binary 1000100111100001011000101
3 Ternary 1021000011111000
4 Quaternary 1010330023011
5 Quinary 14111303021
6 Senary 1443203513
8 Octal 104741305
10 Decimal 18072261
12 Duodecimal 6076599
16 Hexadecimal 113c2c5
20 Vigesimal 5cj0d1
36 Base36 arcn9

Cryptographic Hash Functions

md5 841a0fe3bc008ccb76455bda161569fa
sha1 18c2b048355bf088b6469e70825d6b5e945c0101
sha256 f50cc9ab27f7f46022699c80d05413049025479aa5bc5b1a298dcce9a507396a
sha512 61e9323249f40718230453d9f3093c33ccdcc17e3232a435e775bb72557427249b747f2284f5ed750d1ba0f68206d8b685c04441120d5a3e231ada9a8dbf1b50
ripemd-160 9569dcc2204ca533a9b6d2a816a3ceee023f4f30

18072261 as geometric shapes

Circle

Radius = n
Diameter 36144522
Circumference 113551364.78271
Area 1.0260649506297E+15

Sphere

Radius = n
Volume 2.4724418120976E+22
Surface area 4.1042598025189E+15
Circumference 113551364.78271

Square

Length = n
Perimeter 72289044
Area 326606617652121
Diagonal 25558036.608946

Cube

Length = n
Surface area 1959639705912726
Volume 5.9025200385363E+21
Space diagonal 31302074.259646

Equilateral Triangle

Length = n
Perimeter 54216783
Area 1.4142481396542E+14
Altitude 15651037.129823

Triangular Pyramid

Length = n
Surface area 1.4142481396542E+14
Volume 6.9561865755642E+20
Height 8519345.5363155