1381870 is an even 7-digits composite number following 1381869
and preceding 1381871 . In scientific notation, it is written as 1.381870 × 10^6.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 448416 positive integers (up to 1381870) that are relatively prime to 1381870.
1381870 has 16 divisors, whose sum is 2508480
The reverse of 1381870 is 0781831
Previous prime number is 133
Is Prime? no
Number parity even
Number length 7
Sum of Digits 28
Digital Root 1
Name
one million three hundred eighty-one thousand eight hundred seventy
Scientific notation
1.381870 × 10^6
Engineering notation
1.381870 × 10^6
Prime Factorization
2 × 5 × 133 × 1039
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1381870
Product of the distinct prime numbers
The prime factorization of 1381870 is 2 × 5 × 133 × 1039.
Since it has a total of 4 prime factors.
10 , 5 , 55 , 98 , 329 , 193 , 6261 , 8103 , 19438 , 86246 , 546409 , 619482 , 8006421 , 1224148 , 98099116 , 63432256 , 677056245 , 758465988 , 5642370773 , 4657293345
n×2
2763740
n×3
4145610
n×4
5527480
n×5
6909350
n÷2
690935
n÷3
460623.33333333
n÷3
345467.5
n÷5
276374
n2
1909564696900
n3
2638770167705203000
n4
3.6464373316468E+24
n5
5.0389023554827E+30
2 √n
1175.5296678519
3 √n
111.38389383231
4 √n
34.285998131189
5 √n
16.90804666206
1 , 2 , 5 , 10 , 133 , 266 , 665 , 1039 , 1330 , 2078 , 5195 , 10390 , 138187 , 276374 , 690935 , 1381870
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
-1381869
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 1381870 can be divided by 16 positive divisors.
The sum of these divisors (counting 1381870) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101010001010111101110
3
Ternary
2121012120101
4
Quaternary
11101113232
5
Quinary
323204440
6
Senary
45341314
8
Octal
5212756
10
Decimal
1381870
12
Duodecimal
56783a
16
Hexadecimal
1515ee
20
Vigesimal
8ceda
36
Base36
tm9a
md5
365e2e49eeef114824b53119175a84f4
sha1
01204a3dc54ba24ca0f74f9639a3aac0130645e8
sha256
4cfabcbe38ebdda43768dfeb282a03f76212e9b217c967f8d6f35b50bc6d9197
sha512
33d16cc2a4a634cab0a1def7476ce7bf70077adb436f8765a10e0587f2ae62ea35ab738aa851e2407ab1b9c661a10a66b1b06c3f26b9ddbd0d0d534d5e13182c
ripemd-160
c04d17aac484301d958dae91b644407602dd67cb
Diameter
2763740
Circumference
8682545.2804323
Area
5999074423335.5
Volume
1.1053254631166E+19
Surface area
23996297693342
Circumference
8682545.2804323
Perimeter
5527480
Area
1909564696900
Diagonal
1954259.2954365
Surface area
11457388181400
Volume
2638770167705203000
Space diagonal
2393469.0494552
Perimeter
4145610
Area
826865768842.67
Altitude
1196734.5247276
Surface area
826865768842.67
Volume
3.1098204659619E+17
Height
651419.7651455