1387968 is an even 7-digits composite number following 1387967
and preceding 1387969 . In scientific notation, it is written as 1.387968 × 10^6.
The sum of its digits is 42. It has a total of 8 prime factors and 28 positive divisors.
There are 462592 positive integers (up to 1387968) that are relatively prime to 1387968.
1387968 has 28 divisors, whose sum is 3672840
The reverse of 1387968 is 8697831
Previous prime number is 3
Is Prime? no
Number parity even
Number length 7
Sum of Digits 42
Digital Root 6
Name
one million three hundred eighty-seven thousand nine hundred sixty-eight
Scientific notation
1.387968 × 10^6
Engineering notation
1.387968 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 3 × 7229
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
43374
Product of the distinct prime numbers
The prime factorization of 1387968 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 7229.
Since it has a total of 8 prime factors.
1 , 10 , 75 , 71 , 688 , 26 , 3967 , 288 , 76103 , 54753 , 401488 , 566665 , 5911359 , 4941870 , 55873299 , 82132316 , 743540601 , 797741626 , 9243155843 , 1907507468
n×2
2775936
n×3
4163904
n×4
5551872
n×5
6939840
n÷2
693984
n÷3
462656
n÷3
346992
n÷5
277593.6
n2
1926455169024
n3
2673858128039903232
n4
3.7112295182593E+24
n5
5.1510678119993E+30
2 √n
1178.1205371268
3 √n
111.54749396044
4 √n
34.323760533001
5 √n
16.922942962473
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 32 , 48 , 64 , 96 , 192 , 7229 , 14458 , 21687 , 28916 , 43374 , 57832 , 86748 , 115664 , 173496 , 231328 , 346992 , 462656 , 693984 , 1387968
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1387967
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1387968 can be divided by 28 positive divisors.
The sum of these divisors (counting 1387968) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
101010010110111000000
3
Ternary
2121111221020
4
Quaternary
11102313000
5
Quinary
323403333
6
Senary
45425440
8
Octal
5226700
10
Decimal
1387968
12
Duodecimal
56b280
16
Hexadecimal
152dc0
20
Vigesimal
8d9i8
36
Base36
tqyo
md5
224d88286b6163e9b4339815023a3efd
sha1
fb4a7edd6b6b39f935ade55f612cbeaa074e2915
sha256
58423f4b66df004b515ed79789a71391d1f6db035ca10bf663c190b2b1e01068
sha512
177076eb8d96cbccb2b7772b3e59ab5478bcd847f8963857487c787352d0a70b14f1cf5ecd31446008bb6b8716194b20642976f3cfd5fddbe4833a86206656f9
ripemd-160
fc5f096a316265135b57ac06e74450357d875c5f
Diameter
2775936
Circumference
8720860.1444354
Area
6052137406475.9
Volume
1.1200230735722E+19
Surface area
24208549625904
Circumference
8720860.1444354
Perimeter
5551872
Area
1926455169024
Diagonal
1962883.1697399
Surface area
11558731014144
Volume
2673858128039903232
Space diagonal
2404031.0952798
Perimeter
4163904
Area
834179557813.31
Altitude
1202015.5476399
Surface area
834179557813.31
Volume
3.1511720237796E+17
Height
654294.38991329