18389912 (number)

18389912 is an even 8-digits composite number following 18389911 and preceding 18389913. In scientific notation, it is written as 1.8389912 × 10^7. The sum of its digits is 41. It has a total of 5 prime factors and 16 positive divisors. There are 9176224 positive integers (up to 18389912) that are relatively prime to 18389912.

Interesting facts

Basic properties

Name

Name eighteen million three hundred eighty-nine thousand nine hundred twelve

Notation

Scientific notation 1.8389912 × 10^7
Engineering notation 1.8389912 × 10^6

Prime Factorization of 18389912

Prime Factorization 2 × 2 × 2 × 557 × 4127

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 4597478
Product of the distinct prime numbers

The prime factorization of 18389912 is 2 × 2 × 2 × 557 × 4127. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 5, 71, 20, 787, 929, 4874, 9680, 8117, 46559, 331478, 408709, 6123416, 4728483, 47685893, 81797532, 965173466, 109843754, 2701518751, 4597284802

Basic calculations (n = 18389912)

Multiplication

n×y
n×2 36779824
n×3 55169736
n×4 73559648
n×5 91949560

Division

n÷y
n÷2 9194956
n÷3 6129970.6666667
n÷3 4597478
n÷5 3677982.4

Exponentiation

ny
n2 338188863367744
n3 6.2192634367128E+21
n4 1.1437170730597E+29
n5 2.1032856326465E+36

Nth Root

y√n
2√n 4288.3460681246
3√n 263.95296835887
4√n 65.485464556073
5√n 28.373697233504

Divisors of 18389912

1, 2, 4, 8, 557, 1114, 2228, 4127, 4456, 8254, 16508, 33016, 2298739, 4597478, 9194956, 18389912

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 -18389911
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 18389912 can be divided by 16 positive divisors. The sum of these divisors (counting 18389912) is 1, the average is 0.0625.

Base conversion 18389912

Base System Value
2 Binary 1000110001001101110011000
3 Ternary 1021121022012212
4 Quaternary 1012021232120
5 Quinary 14201434122
6 Senary 1454054252
8 Octal 106115630
10 Decimal 18389912
12 Duodecimal 61aa388
16 Hexadecimal 1189b98
20 Vigesimal 5eiefc
36 Base36 ay5qw

Cryptographic Hash Functions

md5 cfdbeeab78bacddc355ceb5d99f90848
sha1 f52a9aea460667458c69ac3161a9dd5dc5a195c1
sha256 7b362a64e72457ebf3d0d7c50282170170d869d0bd85ce4e65e59d8a8600cc52
sha512 b32ce55948857ee44d82e5d2d38edc55c127e3537dd5c0bf60493da445aeec646a13a36b4427ad4c46a777fe379dea3ead8238219c5f7119b1189847957d6406
ripemd-160 72e39131eeef259a286c07723631a08b48c25535

18389912 as geometric shapes

Circle

Radius = n
Diameter 36779824
Circumference 115547224.87873
Area 1.062451648682E+15

Sphere

Radius = n
Volume 2.6051189764689E+22
Surface area 4.2498065947279E+15
Circumference 115547224.87873

Square

Length = n
Perimeter 73559648
Area 338188863367744
Diagonal 26007262.961248

Cube

Length = n
Surface area 2029133180206464
Volume 6.2192634367128E+21
Space diagonal 31852261.930721

Equilateral Triangle

Length = n
Perimeter 55169736
Area 1.4644007347673E+14
Altitude 15926130.96536

Triangular Pyramid

Length = n
Surface area 1.4644007347673E+14
Volume 7.329472250142E+20
Height 8669087.6537492