18261372 (number)

18261372 is an even 8-digits composite number following 18261371 and preceding 18261373. In scientific notation, it is written as 1.8261372 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 12 positive divisors. There are 6087120 positive integers (up to 18261372) that are relatively prime to 18261372.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8261372 × 10^7
Engineering notation 1.8261372 × 10^6

Prime Factorization of 18261372

Prime Factorization 2 × 2 × 3 × 1521781

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9130686
Product of the distinct prime numbers

The prime factorization of 18261372 is 2 × 2 × 3 × 1521781. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 5, 66, 19, 668, 517, 8777, 958, 1498, 56412, 62099, 143131, 2602513, 962914, 57728361, 47876112, 713019936, 367223620, 454307364, 5174020117

Basic calculations (n = 18261372)

Multiplication

n×y
n×2 36522744
n×3 54784116
n×4 73045488
n×5 91306860

Division

n÷y
n÷2 9130686
n÷3 6087124
n÷3 4565343
n÷5 3652274.4

Exponentiation

ny
n2 333477707322384
n3 6.0897604671212E+21
n4 1.1120738128099E+29
n5 2.0307993587181E+36

Nth Root

y√n
2√n 4273.3326573062
3√n 263.33654574229
4√n 65.370732421369
5√n 28.333921132046

Divisors of 18261372

1, 2, 3, 4, 6, 12, 1521781, 3043562, 4565343, 6087124, 9130686, 18261372

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 -18261371
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 18261372 can be divided by 12 positive divisors. The sum of these divisors (counting 18261372) is 1, the average is 0.083333333333333.

Base conversion 18261372

Base System Value
2 Binary 1000101101010010101111100
3 Ternary 1021100202220010
4 Quaternary 1011222111330
5 Quinary 14133330442
6 Senary 1451223220
8 Octal 105522574
10 Decimal 18261372
12 Duodecimal 6147b10
16 Hexadecimal 116a57c
20 Vigesimal 5e2d8c
36 Base36 avekc

Cryptographic Hash Functions

md5 fece54c596fa8b2808e715f6e5d77f5b
sha1 cb3517d3f603686a6c717637fa27324c1d0bf00a
sha256 be79ed2741f6ebb309e90b614e5b2730b394f7509fae8ad54992cbe75a85c640
sha512 4d08ec2fc3e867ca7a2d655664d35788177516b1db2e58837773d1bbc037a258f0b000549bdf378ac12261b18b6a895eb3c2410e98f2b74971d58067c8531881
ripemd-160 49f02cedc1af3039af2392b0ec0fc8f80a37b2f4

18261372 as geometric shapes

Circle

Radius = n
Diameter 36522744
Circumference 114739584.23934
Area 1.04765111546E+15

Sphere

Radius = n
Volume 2.5508728994173E+22
Surface area 4.1906044618399E+15
Circumference 114739584.23934

Square

Length = n
Perimeter 73045488
Area 333477707322384
Diagonal 25825479.94994

Cube

Length = n
Surface area 2000866243934304
Volume 6.0897604671212E+21
Space diagonal 31629624.119916

Equilateral Triangle

Length = n
Perimeter 54784116
Area 1.4440008306849E+14
Altitude 15814812.059958

Triangular Pyramid

Length = n
Surface area 1.4440008306849E+14
Volume 7.1768515368386E+20
Height 8608493.3166468