18394428 (number)

18394428 is an even 8-digits composite number following 18394427 and preceding 18394429. In scientific notation, it is written as 1.8394428 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors. There are 5564160 positive integers (up to 18394428) that are relatively prime to 18394428.

Interesting facts

Basic properties

Name

Name eighteen million three hundred ninety-four thousand four hundred twenty-eight

Notation

Scientific notation 1.8394428 × 10^7
Engineering notation 1.8394428 × 10^6

Prime Factorization of 18394428

Prime Factorization 2 × 2 × 39 × 61 × 1933

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9197214
Product of the distinct prime numbers

The prime factorization of 18394428 is 2 × 2 × 39 × 61 × 1933. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 3, 15, 64, 192, 214, 4870, 8714, 29245, 50339, 421313, 493503, 510316, 57342, 19614268, 51083753, 146455846, 15269397, 8959685122, 4880948288

Basic calculations (n = 18394428)

Multiplication

n×y
n×2 36788856
n×3 55183284
n×4 73577712
n×5 91972140

Division

n÷y
n÷2 9197214
n÷3 6131476
n÷3 4598607
n÷5 3678885.6

Exponentiation

ny
n2 338354981447184
n3 6.2238463446716E+21
n4 1.1448409347012E+29
n5 2.1058694144815E+36

Nth Root

y√n
2√n 4288.8725791285
3√n 263.9745728495
4√n 65.489484492768
5√n 28.375090639107

Divisors of 18394428

1, 2, 4, 39, 61, 78, 122, 156, 244, 1933, 2379, 3866, 4758, 7732, 9516, 75387, 117913, 150774, 235826, 301548, 471652, 4598607, 9197214, 18394428

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18394427
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18394428 can be divided by 24 positive divisors. The sum of these divisors (counting 18394428) is 1, the average is 0.041666666666667.

Base conversion 18394428

Base System Value
2 Binary 1000110001010110100111100
3 Ternary 1021121112102010
4 Quaternary 1012022310330
5 Quinary 14202110203
6 Senary 1454131220
8 Octal 106126474
10 Decimal 18394428
12 Duodecimal 61b0b10
16 Hexadecimal 118ad3c
20 Vigesimal 5ej618
36 Base36 ay98c

Cryptographic Hash Functions

md5 d1a471d6e172fecf10d89a9c8f49b31f
sha1 f1871e2469505e585596c0e8442794862ed31768
sha256 d397694f70e3f693c6911ae75d91d2e97708e00d943236645840a14103a7348d
sha512 4c96b8515355d892252bd5508aa9a5e2d2aad78b16327a2011400a52c83a075f086272ca4ceda3ab1139b4becb2520fea49628c7a46c252c7d0afbe35df197bf
ripemd-160 a89950cc3982c1b45adce3549f326c20aa062d50

18394428 as geometric shapes

Circle

Radius = n
Diameter 36788856
Circumference 115575599.74357
Area 1.06297352402E+15

Sphere

Radius = n
Volume 2.6070386604656E+22
Surface area 4.2518940960799E+15
Circumference 115575599.74357

Square

Length = n
Perimeter 73577712
Area 338354981447184
Diagonal 26013649.549695

Cube

Length = n
Surface area 2030129888683104
Volume 6.2238463446716E+21
Space diagonal 31860083.872168

Equilateral Triangle

Length = n
Perimeter 55183284
Area 1.4651200471514E+14
Altitude 15930041.936084

Triangular Pyramid

Length = n
Surface area 1.4651200471514E+14
Volume 7.3348732589673E+20
Height 8671216.5165651