1381490 is an even 7-digits composite number following 1381489
and preceding 1381491 . In scientific notation, it is written as 1.381490 × 10^6.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 475200 positive integers (up to 1381490) that are relatively prime to 1381490.
1381490 has 16 divisors, whose sum is 2224320
The reverse of 1381490 is 0941831
Previous prime number is 19
Is Prime? no
Number parity even
Number length 7
Sum of Digits 26
Digital Root 8
Name
one million three hundred eighty-one thousand four hundred ninety
Scientific notation
1.381490 × 10^6
Engineering notation
1.381490 × 10^6
Prime Factorization
2 × 55 × 19 × 661
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1381490
Product of the distinct prime numbers
The prime factorization of 1381490 is 2 × 55 × 19 × 661.
Since it has a total of 4 prime factors.
8 , 5 , 20 , 2 , 987 , 687 , 7471 , 2481 , 48411 , 53744 , 790860 , 1622 , 8631284 , 111300 , 14584280 , 66750881 , 411222997 , 64870930 , 6654919251 , 2747442889
n×2
2762980
n×3
4144470
n×4
5525960
n×5
6907450
n÷2
690745
n÷3
460496.66666667
n÷3
345372.5
n÷5
276298
n2
1908514620100
n3
2636593862521949000
n4
3.6424280551354E+24
n5
5.0319779338891E+30
2 √n
1175.3680274705
3 √n
111.37368308891
4 √n
34.283640814105
5 √n
16.907116652063
1 , 2 , 19 , 38 , 55 , 110 , 661 , 1045 , 1322 , 2090 , 12559 , 25118 , 36355 , 72710 , 690745 , 1381490
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
-1381489
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 1381490 can be divided by 16 positive divisors.
The sum of these divisors (counting 1381490) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101010001010001110010
3
Ternary
2121012001022
4
Quaternary
11101101302
5
Quinary
323201430
6
Senary
45335442
8
Octal
5212162
10
Decimal
1381490
12
Duodecimal
567582
16
Hexadecimal
151472
20
Vigesimal
8cdea
36
Base36
tlyq
md5
a55150184014e74218756cfeca6c6d39
sha1
f215225cac53010ff0824d82560ed91abaf46ada
sha256
233a40bee7989de8e15d3a03c4011c5d1c9b698efea96c944c42da8e1ca23baf
sha512
ea64b98bb5e39610d79ef7ebd7d096947e6b36b7f0b1fe4db3b7ffa3a726ca82a435d46da529a27d427ea50d3642434e076a754e2d38d2cf0e96a27a93685315
ripemd-160
185ba485e7a8bfc36968c441f2393248cef7a382
Diameter
2762980
Circumference
8680157.6700155
Area
5995775509774.9
Volume
1.1044138545332E+19
Surface area
23983102039100
Circumference
8680157.6700155
Perimeter
5525960
Area
1908514620100
Diagonal
1953721.8942828
Surface area
11451087720600
Volume
2636593862521949000
Space diagonal
2392810.8701483
Perimeter
4144470
Area
826411072250.3
Altitude
1196405.4350742
Surface area
826411072250.3
Volume
3.1072556657068E+17
Height
651240.6314276