19388923 is an odd 8-digits composite number following 19388922
and preceding 19388924 . In scientific notation, it is written as 1.9388923 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 19258648 positive integers (up to 19388923) that are relatively prime to 19388923.
19388923 has 4 divisors, whose sum is 19519200
The reverse of 19388923 is 32988391
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
nineteen million three hundred eighty-eight thousand nine hundred twenty-three
Scientific notation
1.9388923 × 10^7
Engineering notation
1.9388923 × 10^6
Prime Factorization
149 × 130127
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19388923
Product of the distinct prime numbers
The prime factorization of 19388923 is 149 × 130127.
Since it has a total of 2 prime factors.
2 , 1 , 79 , 78 , 395 , 367 , 3923 , 9945 , 32457 , 18644 , 83252 , 519926 , 6560642 , 3716464 , 12361587 , 4562487 , 959984846 , 939402936 , 8910565933 , 8807355035
n×2
38777846
n×3
58166769
n×4
77555692
n×5
96944615
n÷2
9694461.5
n÷3
6462974.3333333
n÷3
4847230.75
n÷5
3877784.6
n2
375930335099929
n3
7.2888843206167E+21
n4
1.4132361684834E+29
n5
2.7401127251541E+36
2 √n
4403.2854779131
3 √n
268.6485878053
4 √n
66.357256407367
5 √n
28.675482698964
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19388922
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19388923 can be divided by 4 positive divisors.
The sum of these divisors (counting 19388923) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001001111101100111111011
3
Ternary
1100111001121021
4
Quaternary
1021331213323
5
Quinary
14430421143
6
Senary
1531323311
8
Octal
111754773
10
Decimal
19388923
12
Duodecimal
65b0537
16
Hexadecimal
127d9fb
20
Vigesimal
613c63
36
Base36
bjkl7
md5
e27ce4f33b1873160c640809f0d275cd
sha1
c484b1be14bfc4c3087029e9018261f6ba0d8e99
sha256
8b50b51913bc66aec7583c498fb1cfd920f0717dba4df7e088de6c4a7d482d62
sha512
0c7e4f448f0d895c20af270eec0ad6565e030876638a1d72c3992a4ce2bd5938ed981201ec04cf9d1f0a5e6b8e99451a086ab9fc56207b1a5417192cbc7d76b9
ripemd-160
74bd8b6b57f610ed51d24a03b2be8687374c1094
Diameter
38777846
Circumference
121824196.11564
Area
1.1810199790115E+15
Volume
3.053160724602E+22
Surface area
4.7240799160459E+15
Circumference
121824196.11564
Perimeter
77555692
Area
375930335099929
Diagonal
27420077.866408
Surface area
2255582010599574
Volume
7.2888843206167E+21
Space diagonal
33582599.740041
Perimeter
58166769
Area
1.6278261012487E+14
Altitude
16791299.87002
Surface area
1.6278261012487E+14
Volume
8.590032550654E+20
Height
9140025.9554692