1091385 is an odd 7-digits composite number following 1091384
and preceding 1091386 . In scientific notation, it is written as 1.091385 × 10^6.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 572832 positive integers (up to 1091385) that are relatively prime to 1091385.
1091385 has 16 divisors, whose sum is 1576960
The reverse of 1091385 is 5831901
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 27
Digital Root 9
Name
one million ninety-one thousand three hundred eighty-five
Scientific notation
1.091385 × 10^6
Engineering notation
1.091385 × 10^6
Prime Factorization
15 × 3 × 79 × 307
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1091385
Product of the distinct prime numbers
The prime factorization of 1091385 is 15 × 3 × 79 × 307.
Since it has a total of 4 prime factors.
4 , 10 , 43 , 68 , 541 , 847 , 2000 , 1796 , 11690 , 97072 , 385678 , 706189 , 9631624 , 704330 , 89283295 , 41688740 , 209752481 , 261115536 , 6304550369 , 9068822807
n×2
2182770
n×3
3274155
n×4
4365540
n×5
5456925
n÷2
545692.5
n÷3
363795
n÷3
272846.25
n÷5
218277
n2
1191121218225
n3
1299971830752491625
n4
1.4187697565058E+24
n5
1.5484240307041E+30
2 √n
1044.6937350248
3 √n
102.9578172698
4 √n
32.321722340011
5 √n
16.128560071877
1 , 3 , 15 , 45 , 79 , 237 , 307 , 921 , 1185 , 3555 , 4605 , 13815 , 24253 , 72759 , 363795 , 1091385
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1091384
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1091385 can be divided by 16 positive divisors.
The sum of these divisors (counting 1091385) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100001010011100111001
3
Ternary
2001110002200
4
Quaternary
10022130321
5
Quinary
234411020
6
Senary
35220413
8
Octal
4123471
10
Decimal
1091385
12
Duodecimal
447709
16
Hexadecimal
10a739
20
Vigesimal
6g895
36
Base36
ne49
md5
e80fb260ad64e5fc0cbe0b3542a66684
sha1
c8ecf95dc269426f35d50adb6fca66a6c2ac0b55
sha256
d5afb722b7e5694bf75188bcbdb82dd7cae02e1855c7815b36d3837576aaa295
sha512
58bbf707cb87a18bb98d3efcc63cbb649fa6e52f570d7ca818d9fd4a27dd5a2acb0eeed2d1306fc88af7b1960277fe5bce7d168c6926429b4148ddd9c5d83db4
ripemd-160
9609cfefc432900bbeb1959a1a21505dbb10357c
Diameter
2182770
Circumference
6857374.1964762
Area
3742017668710.6
Volume
5.4453092711543E+18
Surface area
14968070674842
Circumference
6857374.1964762
Perimeter
4365540
Area
1191121218225
Diagonal
1543451.4687706
Surface area
7146727309350
Volume
1299971830752491625
Space diagonal
1890334.2706186
Perimeter
3274155
Area
515770616984.76
Altitude
945167.13530928
Surface area
515770616984.76
Volume
1.5320314947943E+17
Height
514483.82292352