1388730 is an even 7-digits composite number following 1388729
and preceding 1388731 . In scientific notation, it is written as 1.388730 × 10^6.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 297984 positive integers (up to 1388730) that are relatively prime to 1388730.
1388730 has 32 divisors, whose sum is 2695680
The reverse of 1388730 is 0378831
Previous prime number is 17
Is Prime? no
Number parity even
Number length 7
Sum of Digits 30
Digital Root 3
Name
one million three hundred eighty-eight thousand seven hundred thirty
Scientific notation
1.388730 × 10^6
Engineering notation
1.388730 × 10^6
Prime Factorization
2 × 15 × 7 × 17 × 389
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1388730
Product of the distinct prime numbers
The prime factorization of 1388730 is 2 × 15 × 7 × 17 × 389.
Since it has a total of 5 prime factors.
2 , 7 , 81 , 22 , 260 , 868 , 8668 , 4703 , 82589 , 75146 , 994645 , 906420 , 9529135 , 2396032 , 56581512 , 87785722 , 597987724 , 336956183 , 6456038209 , 5884404661
n×2
2777460
n×3
4166190
n×4
5554920
n×5
6943650
n÷2
694365
n÷3
462910
n÷3
347182.5
n÷5
277746
n2
1928571012900
n3
2678264422744617000
n4
3.7193861517981E+24
n5
5.1652231305866E+30
2 √n
1178.443889203
3 √n
111.56790356647
4 √n
34.32847053399
5 √n
16.924800707269
1 , 2 , 7 , 14 , 15 , 17 , 30 , 34 , 105 , 119 , 210 , 238 , 255 , 389 , 510 , 778 , 1785 , 2723 , 3570 , 5446 , 5835 , 6613 , 11670 , 13226 , 40845 , 46291 , 81690 , 92582 , 99195 , 198390 , 694365 , 1388730
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1388729
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1388730 can be divided by 32 positive divisors.
The sum of these divisors (counting 1388730) is 1, the average is 0.03125.
Base
System
Value
2
Binary
101010011000010111010
3
Ternary
2121112222110
4
Quaternary
11103002322
5
Quinary
323414410
6
Senary
45433150
8
Octal
5230272
10
Decimal
1388730
12
Duodecimal
56b7b6
16
Hexadecimal
1530ba
20
Vigesimal
8dbga
36
Base36
trju
md5
09b092e0f4afa788a66344dfd72ba23a
sha1
ba09ec68f70c9c7d61ae59e13c117c73d640b7af
sha256
26022f5d7146f63f5dbfc4ca745cd95783f996ec3dd25ccf573412ee19de3d09
sha512
4f2d59a515896f634e3dca3bd702750f8288185083c1beaa87db569ee498868315d817f1d42c20594f51e309b1e7654740529f37f4ddf2331890c32b5f311443
ripemd-160
d44467636055d616b4cf965451cb3ec9e434b040
Diameter
2777460
Circumference
8725647.9316395
Area
6058784526052.9
Volume
1.1218687779821E+19
Surface area
24235138104211
Circumference
8725647.9316395
Perimeter
5554920
Area
1928571012900
Diagonal
1963960.8004744
Surface area
11571426077400
Volume
2678264422744617000
Space diagonal
2405350.9179951
Perimeter
4166190
Area
835095745086.84
Altitude
1202675.4589976
Surface area
835095745086.84
Volume
3.156364891889E+17
Height
654653.60015813