1387955 is an odd 7-digits composite number following 1387954
and preceding 1387956 . In scientific notation, it is written as 1.387955 × 10^6.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 1097536 positive integers (up to 1387955) that are relatively prime to 1387955.
1387955 has 8 divisors, whose sum is 1684800
The reverse of 1387955 is 5597831
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 38
Digital Root 2
Name
one million three hundred eighty-seven thousand nine hundred fifty-five
Scientific notation
1.387955 × 10^6
Engineering notation
1.387955 × 10^6
Prime Factorization
5 × 89 × 3119
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1387955
Product of the distinct prime numbers
The prime factorization of 1387955 is 5 × 89 × 3119.
Since it has a total of 3 prime factors.
4 , 6 , 81 , 99 , 881 , 965 , 6790 , 3285 , 74885 , 71146 , 205458 , 365084 , 3444442 , 3754869 , 27271253 , 84842898 , 932052009 , 733247343 , 2307118589 , 7249685258
n×2
2775910
n×3
4163865
n×4
5551820
n×5
6939775
n÷2
693977.5
n÷3
462651.66666667
n÷3
346988.75
n÷5
277591
n2
1926419082025
n3
2673782996992008875
n4
3.71109047959E+24
n5
5.1508265865994E+30
2 √n
1178.1150198516
3 √n
111.54714570026
4 √n
34.32368016183
5 √n
16.922911261586
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
-1387954
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 1387955 can be divided by 8 positive divisors.
The sum of these divisors (counting 1387955) is 1, the average is 0.125.
Base
System
Value
2
Binary
101010010110110110011
3
Ternary
2121111220202
4
Quaternary
11102312303
5
Quinary
323403310
6
Senary
45425415
8
Octal
5226663
10
Decimal
1387955
12
Duodecimal
56b26b
16
Hexadecimal
152db3
20
Vigesimal
8d9hf
36
Base36
tqyb
md5
cd9d3490ce0438b57f042843be64816b
sha1
798e578e4a0a828ce98f51ac444e437100196e98
sha256
aa06e3acbc78e5e2ee58eefac658d4381535b49361cd2a6e6b248c2b3cb0c6d6
sha512
a4692e10ff4c1996b48870617a93b508a3eba567c117f30ba7158c92815d0224d315c62d30316a1788185fd3d6261a0f2c0063d35bca2e100ba270b4192d30bc
ripemd-160
54ae4e70c549b7bae71a0ace4973e5b89b65c63f
Diameter
2775910
Circumference
8720778.4630264
Area
6052024035824.9
Volume
1.1199916027525E+19
Surface area
24208096143300
Circumference
8720778.4630264
Perimeter
5551820
Area
1926419082025
Diagonal
1962864.7849635
Surface area
11558514492150
Volume
2673782996992008875
Space diagonal
2404008.5786193
Perimeter
4163865
Area
834163931684.37
Altitude
1202004.2893096
Surface area
834163931684.37
Volume
3.1510834809906E+17
Height
654288.26165452