18887628 (number)

18887628 is an even 8-digits composite number following 18887627 and preceding 18887629. In scientific notation, it is written as 1.8887628 × 10^7. The sum of its digits is 48. It has a total of 4 prime factors and 12 positive divisors. There are 6295872 positive integers (up to 18887628) that are relatively prime to 18887628.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred eighty-seven thousand six hundred twenty-eight

Notation

Scientific notation 1.8887628 × 10^7
Engineering notation 1.8887628 × 10^6

Prime Factorization of 18887628

Prime Factorization 2 × 2 × 3 × 1573969

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9443814
Product of the distinct prime numbers

The prime factorization of 18887628 is 2 × 2 × 3 × 1573969. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 8, 95, 7, 101, 40, 4498, 7793, 75564, 4218, 489216, 35651, 4911859, 1329827, 14226397, 51784436, 212723302, 783453834, 9073465700, 1463437601

Basic calculations (n = 18887628)

Multiplication

n×y
n×2 37775256
n×3 56662884
n×4 75550512
n×5 94438140

Division

n÷y
n÷2 9443814
n÷3 6295876
n÷3 4721907
n÷5 3777525.6

Exponentiation

ny
n2 356742491466384
n3 6.7380194706102E+21
n4 1.2726520521764E+29
n5 2.4037378534945E+36

Nth Root

y√n
2√n 4345.989875736
3√n 266.31306535795
4√n 65.924122108194
5√n 28.525645720707

Divisors of 18887628

1, 2, 3, 4, 6, 12, 1573969, 3147938, 4721907, 6295876, 9443814, 18887628

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 -18887627
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 18887628 can be divided by 12 positive divisors. The sum of these divisors (counting 18887628) is 1, the average is 0.083333333333333.

Base conversion 18887628

Base System Value
2 Binary 1001000000011001111001100
3 Ternary 1022112120221210
4 Quaternary 1020003033030
5 Quinary 14313401003
6 Senary 1512454420
8 Octal 110031714
10 Decimal 18887628
12 Duodecimal 63aa410
16 Hexadecimal 12033cc
20 Vigesimal 5i0j18
36 Base36 b8tsc

Cryptographic Hash Functions

md5 88c6e94618df7107589f487249c3e8bb
sha1 0c0d5fc90eb043d5707622262951ada20c908bd4
sha256 ed0de3f7a8bc14efaee17601677a4388a0f0ad95d5aaad78415ea80689af6b10
sha512 82b423f7c297fdca13d47e4603f2b62877a545462093b9caf1bce6d751edf516f99375a1cecdee28c92ddb4aedb87e2794d5015a1bf99f34abc3975bc6ebf235
ripemd-160 77be170ebd565f513f34bc12be0cde1b39a40d54

18887628 as geometric shapes

Circle

Radius = n
Diameter 37775256
Circumference 118674466.73707
Area 1.1207395904141E+15

Sphere

Radius = n
Volume 2.8224149958152E+22
Surface area 4.4829583616564E+15
Circumference 118674466.73707

Square

Length = n
Perimeter 75550512
Area 356742491466384
Diagonal 26711139.678658

Cube

Length = n
Surface area 2140454948798304
Volume 6.7380194706102E+21
Space diagonal 32714331.330461

Equilateral Triangle

Length = n
Perimeter 56662884
Area 1.5447403010962E+14
Altitude 16357165.66523

Triangular Pyramid

Length = n
Surface area 1.5447403010962E+14
Volume 7.9408320990591E+20
Height 8903713.2262193