1381894 is an even 7-digits composite number following 1381893
and preceding 1381895 . In scientific notation, it is written as 1.381894 × 10^6.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 662400 positive integers (up to 1381894) that are relatively prime to 1381894.
1381894 has 16 divisors, whose sum is 2160576
The reverse of 1381894 is 4981831
Previous prime number is 47
Is Prime? no
Number parity even
Number length 7
Sum of Digits 34
Digital Root 7
Name
one million three hundred eighty-one thousand eight hundred ninety-four
Scientific notation
1.381894 × 10^6
Engineering notation
1.381894 × 10^6
Prime Factorization
2 × 61 × 47 × 241
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1381894
Product of the distinct prime numbers
The prime factorization of 1381894 is 2 × 61 × 47 × 241.
Since it has a total of 4 prime factors.
3 , 1 , 62 , 57 , 487 , 27 , 6547 , 9981 , 82717 , 28793 , 687566 , 767797 , 8560662 , 8225160 , 58773376 , 10779408 , 517854151 , 970960485 , 3354709095 , 4216466317
n×2
2763788
n×3
4145682
n×4
5527576
n×5
6909470
n÷2
690947
n÷3
460631.33333333
n÷3
345473.5
n÷5
276378.8
n2
1909631027236
n3
2638907658751264984
n4
3.6466906601824E+24
n5
5.0393399431621E+30
2 √n
1175.5398759719
3 √n
111.38453865852
4 √n
34.28614699805
5 √n
16.908105392665
1 , 2 , 47 , 61 , 94 , 122 , 241 , 482 , 2867 , 5734 , 11327 , 14701 , 22654 , 29402 , 690947 , 1381894
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
-1381893
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 1381894 can be divided by 16 positive divisors.
The sum of these divisors (counting 1381894) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101010001011000000110
3
Ternary
2121012121021
4
Quaternary
11101120012
5
Quinary
323210034
6
Senary
45341354
8
Octal
5213006
10
Decimal
1381894
12
Duodecimal
56785a
16
Hexadecimal
151606
20
Vigesimal
8ceee
36
Base36
tm9y
md5
8798b686cc45cfa707d6771506d20840
sha1
5db19ef087e0d088272c0d7e2fb34ddd5dba88af
sha256
ca9175aa701d27bd80980e2478eb3ad8a8ace1d66d81362b2e71c0f708368252
sha512
72819c1bc24498deba8d4ec6dba7c594e9b0b5ea1609b90ada63ae9e4c8f8cd48455c08e21694182b83bfa21527c46ee038211269a3a56f34b4f44b61ee7e8a0
ripemd-160
2957fd18f4036f77a97f05653d6c69f7c0872685
Diameter
2763788
Circumference
8682696.0768796
Area
5999282806231.7
Volume
1.1053830552313E+19
Surface area
23997131224927
Circumference
8682696.0768796
Perimeter
5527576
Area
1909631027236
Diagonal
1954293.236562
Surface area
11457786163416
Volume
2638907658751264984
Space diagonal
2393510.6186746
Perimeter
4145682
Area
826894490720.67
Altitude
1196755.3093373
Surface area
826894490720.67
Volume
3.1099825007136E+17
Height
651431.078854