18661497 (number)

18661497 is an odd 8-digits composite number following 18661496 and preceding 18661498. In scientific notation, it is written as 1.8661497 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 12408240 positive integers (up to 18661497) that are relatively prime to 18661497.

Interesting facts

Basic properties

Name

Name eighteen million six hundred sixty-one thousand four hundred ninety-seven

Notation

Scientific notation 1.8661497 × 10^7
Engineering notation 1.8661497 × 10^6

Prime Factorization of 18661497

Prime Factorization 3 × 389 × 15991

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18661497
Product of the distinct prime numbers

The prime factorization of 18661497 is 3 × 389 × 15991. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18661497)

Multiplication

n×y
n×2 37322994
n×3 55984491
n×4 74645988
n×5 93307485

Division

n÷y
n÷2 9330748.5
n÷3 6220499
n÷3 4665374.25
n÷5 3732299.4

Exponentiation

ny
n2 348251470281009
n3 6.4988937678946E+21
n4 1.2127908655288E+29
n5 2.2632493098694E+36

Nth Root

y√n
2√n 4319.8954848468
3√n 265.24598969468
4√n 65.725911822103
5√n 28.457011924821

Divisors of 18661497

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 -18661496
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 18661497 can be divided by 8 positive divisors. The sum of these divisors (counting 18661497) is 1, the average is 0.125.

Base conversion 18661497

Base System Value
2 Binary 1000111001100000001111001
3 Ternary 1022010002202120
4 Quaternary 1013030001321
5 Quinary 14234131442
6 Senary 1503551453
8 Octal 107140171
10 Decimal 18661497
12 Duodecimal 62bb589
16 Hexadecimal 11cc079
20 Vigesimal 5gcdeh
36 Base36 b3zax

Cryptographic Hash Functions

md5 023dac393890823879848f67d22a9bdc
sha1 988fe0e0325bc6baee09341d4de807e68d84f7c2
sha256 63fd8688677849e7457d8396920a0584f53f489b80e3e3c63809089cebcc4e9a
sha512 6faf85da59ae4a2ae0b304b7d4e719f78952428b7b69d8d31fbc90041b46de76f7ab02cccae06073e8a8fd0e2f8b3acd9bc564d50aa701cc839e6c8e7e1761ac
ripemd-160 563da045328202ebb03dfbf449947de7f4d1aa9f

18661497 as geometric shapes

Circle

Radius = n
Diameter 37322994
Circumference 117253643.76038
Area 1.0940642606367E+15

Sphere

Radius = n
Volume 2.7222502556904E+22
Surface area 4.3762570425466E+15
Circumference 117253643.76038

Square

Length = n
Perimeter 74645988
Area 348251470281009
Diagonal 26391342.151585

Cube

Length = n
Surface area 2089508821686054
Volume 6.4988937678946E+21
Space diagonal 32322660.949294

Equilateral Triangle

Length = n
Perimeter 55984491
Area 1.5079731008432E+14
Altitude 16161330.474647

Triangular Pyramid

Length = n
Surface area 1.5079731008432E+14
Volume 7.6590197558155E+20
Height 8797114.0505283