1388780 is an even 7-digits composite number following 1388779
and preceding 1388781 . In scientific notation, it is written as 1.388780 × 10^6.
The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors.
There are 555504 positive integers (up to 1388780) that are relatively prime to 1388780.
1388780 has 12 divisors, whose sum is 2916480
The reverse of 1388780 is 0878831
Previous prime number is 5
Is Prime? no
Number parity even
Number length 7
Sum of Digits 35
Digital Root 8
Name
one million three hundred eighty-eight thousand seven hundred eighty
Scientific notation
1.388780 × 10^6
Engineering notation
1.388780 × 10^6
Prime Factorization
2 × 2 × 5 × 69439
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
694390
Product of the distinct prime numbers
The prime factorization of 1388780 is 2 × 2 × 5 × 69439.
Since it has a total of 4 prime factors.
7 , 8 , 61 , 37 , 69 , 612 , 4767 , 5962 , 44154 , 46897 , 239785 , 55365 , 5322600 , 7809372 , 31828414 , 31505294 , 925805044 , 611848617 , 8041122304 , 1327151944
n×2
2777560
n×3
4166340
n×4
5555120
n×5
6943900
n÷2
694390
n÷3
462926.66666667
n÷3
347195
n÷5
277756
n2
1928709888400
n3
2678553718812152000
n4
3.7199218336119E+24
n5
5.1661530440836E+30
2 √n
1178.465103429
3 √n
111.56924251842
4 √n
34.328779521402
5 √n
16.924922578021
1 , 2 , 4 , 5 , 10 , 20 , 69439 , 138878 , 277756 , 347195 , 694390 , 1388780
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1388779
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1388780 can be divided by 12 positive divisors.
The sum of these divisors (counting 1388780) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101010011000011101100
3
Ternary
2121120001022
4
Quaternary
11103003230
5
Quinary
323420110
6
Senary
45433312
8
Octal
5230354
10
Decimal
1388780
12
Duodecimal
56b838
16
Hexadecimal
1530ec
20
Vigesimal
8dbj0
36
Base36
trl8
md5
f27bb48b641f51925573f0cb7e70c577
sha1
2abc7922d6af3ae69ba6d621b7f40df62df458ad
sha256
6df7d56521972a8c25bcb024dca6659841f928f38ee18343a91d69fca1fe19c4
sha512
6d48940dc48ffb97583f16abc98039ef09b45f0bb6940a5d090840fa62c0670395479c4904ac01b8ace2c3dbb40e737bff58590ce736b7bd1925b2618a5483c0
ripemd-160
227fc950e01ed66a25234c86daba08b36c7d85c0
Diameter
2777560
Circumference
8725962.0909049
Area
6059220816303.4
Volume
1.1219899580355E+19
Surface area
24236883265214
Circumference
8725962.0909049
Perimeter
5555120
Area
1928709888400
Diagonal
1964031.5111525
Surface area
11572259330400
Volume
2678553718812152000
Space diagonal
2405437.5205355
Perimeter
4166340
Area
835155879942.32
Altitude
1202718.7602678
Surface area
835155879942.32
Volume
3.1567058305742E+17
Height
654677.17038417