18996945 is an odd 8-digits composite number following 18996944
and preceding 18996946 . In scientific notation, it is written as 1.8996945 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 9210560 positive integers (up to 18996945) that are relatively prime to 18996945.
18996945 has 16 divisors, whose sum is 33158592
The reverse of 18996945 is 54969981
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
eighteen million nine hundred ninety-six thousand nine hundred forty-five
Scientific notation
1.8996945 × 10^7
Engineering notation
1.8996945 × 10^6
Prime Factorization
3 × 5 × 11 × 115133
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18996945
Product of the distinct prime numbers
The prime factorization of 18996945 is 3 × 5 × 11 × 115133.
Since it has a total of 4 prime factors.
10 , 2 , 35 , 93 , 172 , 740 , 9937 , 9900 , 57484 , 2051 , 36839 , 527585 , 8436877 , 5988607 , 7872596 , 66719035 , 110275061 , 113311346 , 7116350769 , 6339171712
n×2
37993890
n×3
56990835
n×4
75987780
n×5
94984725
n÷2
9498472.5
n÷3
6332315
n÷3
4749236.25
n÷5
3799389
n2
360883919333025
n3
6.8556919669539E+21
n4
1.3023720323317E+29
n5
2.4741089867743E+36
2 √n
4358.5484969196
3 √n
266.82586240905
4 √n
66.01930397179
5 √n
28.558589441424
1 , 3 , 5 , 11 , 15 , 33 , 55 , 165 , 115133 , 345399 , 575665 , 1266463 , 1726995 , 3799389 , 6332315 , 18996945
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
-18996944
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 18996945 can be divided by 16 positive divisors.
The sum of these divisors (counting 18996945) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001000011101111011010001
3
Ternary
1022202010220120
4
Quaternary
1020131323101
5
Quinary
14330400240
6
Senary
1515100453
8
Octal
110357321
10
Decimal
18996945
12
Duodecimal
6441729
16
Hexadecimal
121ded1
20
Vigesimal
5iec75
36
Base36
bb64x
md5
f8195bdbdbfc1532a349717cca9fd04a
sha1
e1c487c8e17fc1a359f053b3a2047d8147f4408e
sha256
8989bc4386f4f5e6db1f8aa8186bbc1377d2c4b653839549eca71fe541ceb5d5
sha512
9bb2871b1a783b907b61d3e83e16c37d6d9c29a356c60e97c9d1e09322afcf69cae21f7e343aa1d30f8a04200d5e1997f4098692bbe6299370fa7413ee77a491
ripemd-160
f0fecef72b0b24a64a6c28f0bd753e2c2f1db9d1
Diameter
37993890
Circumference
119361325.7053
Area
1.1337502697753E+15
Volume
2.8717055358209E+22
Surface area
4.5350010791013E+15
Circumference
119361325.7053
Perimeter
75987780
Area
360883919333025
Diagonal
26865737.262656
Surface area
2165303515998150
Volume
6.8556919669539E+21
Space diagonal
32903673.928592
Perimeter
56990835
Area
1.5626732097985E+14
Altitude
16451836.964296
Surface area
1.5626732097985E+14
Volume
8.0795104659321E+20
Height
8955245.7542186