1387946 is an even 7-digits composite number following 1387945
and preceding 1387947 . In scientific notation, it is written as 1.387946 × 10^6.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 594828 positive integers (up to 1387946) that are relatively prime to 1387946.
1387946 has 8 divisors, whose sum is 2379360
The reverse of 1387946 is 6497831
Previous prime number is 7
Is Prime? no
Number parity even
Number length 7
Sum of Digits 38
Digital Root 2
Name
one million three hundred eighty-seven thousand nine hundred forty-six
Scientific notation
1.387946 × 10^6
Engineering notation
1.387946 × 10^6
Prime Factorization
2 × 7 × 99139
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1387946
Product of the distinct prime numbers
The prime factorization of 1387946 is 2 × 7 × 99139.
Since it has a total of 3 prime factors.
5 , 2 , 65 , 14 , 385 , 615 , 7864 , 2414 , 59469 , 7597 , 786667 , 242837 , 6055886 , 5479851 , 40357870 , 33910259 , 324687404 , 552591141 , 75500569 , 6308304073
n×2
2775892
n×3
4163838
n×4
5551784
n×5
6939730
n÷2
693973
n÷3
462648.66666667
n÷3
346986.5
n÷5
277589.2
n2
1926394098916
n3
2673730984014066536
n4
3.7109942243384E+24
n5
5.1506595896936E+30
2 √n
1178.1112001844
3 √n
111.54690459579
4 √n
34.32362451992
5 √n
16.922889314679
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
-1387945
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 1387946 can be divided by 8 positive divisors.
The sum of these divisors (counting 1387946) is 1, the average is 0.125.
Base
System
Value
2
Binary
101010010110110101010
3
Ternary
2121111220102
4
Quaternary
11102312222
5
Quinary
323403241
6
Senary
45425402
8
Octal
5226652
10
Decimal
1387946
12
Duodecimal
56b262
16
Hexadecimal
152daa
20
Vigesimal
8d9h6
36
Base36
tqy2
md5
289af8dccf9ce1ff9fb7821684581351
sha1
65675504a4a1adc398f6e0860ae1fd5899b7358f
sha256
5befe2c441e8d9c3d6e8b16e4dfc997a0c20a519000d70674d065ecf165349f5
sha512
0317a0ea10887b1c1be496ba8ea22651bcf287f4549f4aa3dcb0402838cc4cb7e8163ff85cbfdf0e39e91b86f7e693bce56e00a366d4300374486a6bec1a8b8e
ripemd-160
13e7e2c4c46ecf40a4a5b14dea85fc4855450ff5
Diameter
2775892
Circumference
8720721.9143587
Area
6051945549073.2
Volume
1.1199698156072E+19
Surface area
24207782196293
Circumference
8720721.9143587
Perimeter
5551784
Area
1926394098916
Diagonal
1962852.0570415
Surface area
11558364593496
Volume
2673730984014066536
Space diagonal
2403992.990162
Perimeter
4163838
Area
834153113680.84
Altitude
1201996.495081
Surface area
834153113680.84
Volume
3.1510221831082E+17
Height
654284.01901383