18998434 is an even 8-digits composite number following 18998433
and preceding 18998435 . In scientific notation, it is written as 1.8998434 × 10^7.
The sum of its digits is 46. It has a total of 5 prime factors and 32 positive divisors.
There are 7352640 positive integers (up to 18998434) that are relatively prime to 18998434.
18998434 has 32 divisors, whose sum is 35836416
The reverse of 18998434 is 43489981
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
eighteen million nine hundred ninety-eight thousand four hundred thirty-four
Scientific notation
1.8998434 × 10^7
Engineering notation
1.8998434 × 10^6
Prime Factorization
2 × 7 × 13 × 47 × 2221
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
18998434
Product of the distinct prime numbers
The prime factorization of 18998434 is 2 × 7 × 13 × 47 × 2221.
Since it has a total of 5 prime factors.
6 , 4 , 53 , 59 , 994 , 702 , 4384 , 1055 , 3639 , 84732 , 651073 , 301870 , 8765865 , 4400521 , 4776071 , 8340986 , 600842593 , 514485835 , 4048885145 , 2962278251
n×2
37996868
n×3
56995302
n×4
75993736
n×5
94992170
n÷2
9499217
n÷3
6332811.3333333
n÷3
4749608.5
n÷5
3799686.8
n2
360940494452356
n3
6.8573041617805E+21
n4
1.3027804053551E+29
n5
2.4750787547632E+36
2 √n
4358.7193073195
3 √n
266.83283358835
4 √n
66.020597598928
5 √n
28.559037117685
1 , 2 , 7 , 13 , 14 , 26 , 47 , 91 , 94 , 182 , 329 , 611 , 658 , 1222 , 2221 , 4277 , 4442 , 8554 , 15547 , 28873 , 31094 , 57746 , 104387 , 202111 , 208774 , 404222 , 730709 , 1357031 , 1461418 , 2714062 , 9499217 , 18998434
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18998433
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18998434 can be divided by 32 positive divisors.
The sum of these divisors (counting 18998434) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001000011110010010100010
3
Ternary
1022202012221201
4
Quaternary
1020132102202
5
Quinary
14330422214
6
Senary
1515111414
8
Octal
110362242
10
Decimal
18998434
12
Duodecimal
644256a
16
Hexadecimal
121e4a2
20
Vigesimal
5ieg1e
36
Base36
bb7aa
md5
59795a94f2d9491eb09c38cdbac6c25e
sha1
43aff5416bc64176e9f74b35afaa9061788d3d61
sha256
53522810215e3ccc0ea13fa12922840e2718d2dbcd88306747cafea987c2d18d
sha512
9000cde4a850a90700eb97aea68be5d0f7c932dced960297dd71b957e4233d9f5c0ca184b2ad9fb541ebe36fa04dc2b0353d05f8f95d755c3ddece7b835cde55
ripemd-160
484313d6728089fccb7d0ec48433543c307a2610
Diameter
37996868
Circumference
119370681.36822
Area
1.1339280057546E+15
Volume
2.8723808504107E+22
Surface area
4.5357120230184E+15
Circumference
119370681.36822
Perimeter
75993736
Area
360940494452356
Diagonal
26867843.02665
Surface area
2165642966714136
Volume
6.8573041617805E+21
Space diagonal
32906252.952244
Perimeter
56995302
Area
1.5629181872513E+14
Altitude
16453126.476122
Surface area
1.5629181872513E+14
Volume
8.0814104557562E+20
Height
8955947.67555