1388897 is an odd 7-digits composite number following 1388896
and preceding 1388898 . In scientific notation, it is written as 1.388897 × 10^6.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 1311184 positive integers (up to 1388897) that are relatively prime to 1388897.
1388897 has 8 divisors, whose sum is 1468800
The reverse of 1388897 is 7988831
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 44
Digital Root 8
Name
one million three hundred eighty-eight thousand eight hundred ninety-seven
Scientific notation
1.388897 × 10^6
Engineering notation
1.388897 × 10^6
Prime Factorization
29 × 47 × 1019
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1388897
Product of the distinct prime numbers
The prime factorization of 1388897 is 29 × 47 × 1019.
Since it has a total of 3 prime factors.
8 , 2 , 38 , 59 , 405 , 668 , 1187 , 1861 , 56473 , 7210 , 149618 , 730371 , 4798071 , 1462770 , 18377023 , 42920240 , 903498352 , 181302804 , 5085457970 , 1217684600
n×2
2777794
n×3
4166691
n×4
5555588
n×5
6944485
n÷2
694448.5
n÷3
462965.66666667
n÷3
347224.25
n÷5
277779.4
n2
1929034876609
n3
2679230753017610273
n4
3.7211755551739E+24
n5
5.1683295650544E+30
2 √n
1178.5147432256
3 √n
111.57237554041
4 √n
34.329502519343
5 √n
16.925207741865
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
-1388896
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 1388897 can be divided by 8 positive divisors.
The sum of these divisors (counting 1388897) is 1, the average is 0.125.
Base
System
Value
2
Binary
101010011000101100001
3
Ternary
2121120012122
4
Quaternary
11103011201
5
Quinary
323421042
6
Senary
45434025
8
Octal
5230541
10
Decimal
1388897
12
Duodecimal
56b915
16
Hexadecimal
153161
20
Vigesimal
8dc4h
36
Base36
troh
md5
638180b0b48485df13d7ed1e1e344c45
sha1
596eaa8c9f96e87f8084bdb73fb9e2bf692c9df0
sha256
15980511fe8afb60af84f5cf0566bf24904c97f18667021ca614c0cd7ed841b9
sha512
586867ca8767ddb1371b77245f52c24ce724ab2c727f32ba56166109cb9922d9c58e25dbd48c05bb3df91a0ee89a6aac8c74e3bb940bc2bc14945a035e08ebeb
ripemd-160
6a4bf6d45110b8a81988e3bd80ccca2cba318e4a
Diameter
2777794
Circumference
8726697.2235858
Area
6060241796873.3
Volume
1.1222735534603E+19
Surface area
24240967187493
Circumference
8726697.2235858
Perimeter
5555588
Area
1929034876609
Diagonal
1964196.9741393
Surface area
11574209259654
Volume
2679230753017610273
Space diagonal
2405640.17048
Perimeter
4166691
Area
835296603964.79
Altitude
1202820.08524
Surface area
835296603964.79
Volume
3.1575037230372E+17
Height
654732.3247131