19681490 is an even 8-digits composite number following 19681489
and preceding 19681491 . In scientific notation, it is written as 1.9681490 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 7872592 positive integers (up to 19681490) that are relatively prime to 19681490.
19681490 has 8 divisors, whose sum is 35426700
The reverse of 19681490 is 09418691
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
nineteen million six hundred eighty-one thousand four hundred ninety
Scientific notation
1.9681490 × 10^7
Engineering notation
1.9681490 × 10^6
Prime Factorization
2 × 5 × 1968149
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19681490
Product of the distinct prime numbers
The prime factorization of 19681490 is 2 × 5 × 1968149.
Since it has a total of 3 prime factors.
1 , 5 , 8 , 19 , 237 , 704 , 2800 , 6594 , 39132 , 18237 , 426733 , 261348 , 3443176 , 7688202 , 34173670 , 91593695 , 547554034 , 593732013 , 469519738 , 1182464725
n×2
39362980
n×3
59044470
n×4
78725960
n×5
98407450
n÷2
9840745
n÷3
6560496.6666667
n÷3
4920372.5
n÷5
3936298
n2
387361048620100
n3
7.623842604806E+21
n4
1.5004858198806E+29
n5
2.9531796659123E+36
2 √n
4436.3825353547
3 √n
269.99309538813
4 √n
66.606174904093
5 √n
28.761504151902
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19681489
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19681490 can be divided by 8 positive divisors.
The sum of these divisors (counting 19681490) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001011000101000011010010
3
Ternary
1101000220221002
4
Quaternary
1023011003102
5
Quinary
20014301430
6
Senary
1541502002
8
Octal
113050322
10
Decimal
19681490
12
Duodecimal
6711902
16
Hexadecimal
12c50d2
20
Vigesimal
6303ea
36
Base36
bpuc2
md5
61206194d5d191a79e341c6af188efd2
sha1
902770d44dfb9ee02c5c2afd2d641d98046d5cf1
sha256
754369c1d2f165ecd1c30dada9d3d77df8b2ff341601feb7109290e64098d11b
sha512
747536bc6c2b64ede87bf9a8deba03e2e2ac9a26c037e732b26ae709b0d57d7f72b2ee944ce51cd993c97e8dc7e99e4accfbd228f734b1335cf9c5154bd946e9
ripemd-160
d1d996f3e79b215ace27434c52e94610dada7f22
Diameter
39362980
Circumference
123662448.7914
Area
1.2169306246317E+15
Volume
3.1934677225845E+22
Surface area
4.867722498527E+15
Circumference
123662448.7914
Perimeter
78725960
Area
387361048620100
Diagonal
27833830.08571
Surface area
2324166291720600
Volume
7.623842604806E+21
Space diagonal
34089340.648659
Perimeter
59044470
Area
1.6773225427079E+14
Altitude
17044670.324329
Surface area
1.6773225427079E+14
Volume
8.9847846742621E+20
Height
9277943.3619035