19991085 is an odd 8-digits composite number following 19991084
and preceding 19991086 . In scientific notation, it is written as 1.9991085 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 10661904 positive integers (up to 19991085) that are relatively prime to 19991085.
19991085 has 8 divisors, whose sum is 31985760
The reverse of 19991085 is 58019991
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
nineteen million nine hundred ninety-one thousand eighty-five
Scientific notation
1.9991085 × 10^7
Engineering notation
1.9991085 × 10^6
Prime Factorization
5 × 3 × 1332739
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19991085
Product of the distinct prime numbers
The prime factorization of 19991085 is 5 × 3 × 1332739.
Since it has a total of 3 prime factors.
9 , 1 , 54 , 36 , 148 , 430 , 6849 , 7615 , 44368 , 31687 , 213627 , 924320 , 2367235 , 4323586 , 90362775 , 91720875 , 335108145 , 554063357 , 6039386323 , 8195634911
n×2
39982170
n×3
59973255
n×4
79964340
n×5
99955425
n÷2
9995542.5
n÷3
6663695
n÷3
4997771.25
n÷5
3998217
n2
399643479477225
n3
7.989306767925E+21
n4
1.5971491068866E+29
n5
3.1928743553445E+36
2 √n
4471.139116601
3 √n
271.40142394363
4 √n
66.86657697685
5 √n
28.851425325442
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
-19991084
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 19991085 can be divided by 8 positive divisors.
The sum of these divisors (counting 19991085) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010000101000101101
3
Ternary
1101121122121120
4
Quaternary
1030100220231
5
Quinary
20104203320
6
Senary
1552251153
8
Octal
114205055
10
Decimal
19991085
12
Duodecimal
6840ab9
16
Hexadecimal
1310a2d
20
Vigesimal
64ihe5
36
Base36
bwh7x
md5
bb80430ccf8745088f9dd4e2ed74d98e
sha1
893e311008c6075f5288e98a68543fcac7ab7151
sha256
43a2660668a1564cc79f778edc8cd0c471a39c6ea4375b80c82ce9976f04944b
sha512
921a21be4a4f665a4c95339506595b4cf0372ebbf4b9cc778540151d3774fd32d324ffc090c34813a04da9008ef54ec41bedaa2e1d0f5c472c4ec392194f46d7
ripemd-160
18a8d8151f53cfa4ac1356fb82df92c150048dad
Diameter
39982170
Circumference
125607691.54658
Area
1.2555170191807E+15
Volume
3.3465529932518E+22
Surface area
5.0220680767229E+15
Circumference
125607691.54658
Perimeter
79964340
Area
399643479477225
Diagonal
28271663.533553
Surface area
2397860876863350
Volume
7.989306767925E+21
Space diagonal
34625574.918428
Perimeter
59973255
Area
1.7305070284204E+14
Altitude
17312787.459214
Surface area
1.7305070284204E+14
Volume
9.4154883209655E+20
Height
9423887.8445178