2109691891 is an odd 10-digits composite number following 2109691890
and preceding 2109691892 . In scientific notation, it is written as 2.109691891 × 10^9.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 1982484480 positive integers (up to 2109691891) that are relatively prime to 2109691891.
2109691891 has 8 divisors, whose sum is 2237287824
The reverse of 2109691891 is 1981969012
Previous prime number is 641
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 46
Digital Root 1
Name
two billion one hundred nine million six hundred ninety-one thousand eight hundred ninety-one
Scientific notation
2.109691891 × 10^9
Engineering notation
2.109691891 × 10^9
Prime Factorization
17 × 641 × 193603
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2109691891
Product of the distinct prime numbers
The prime factorization of 2109691891 is 17 × 641 × 193603.
Since it has a total of 3 prime factors.
1 , 10 , 21 , 86 , 493 , 216 , 5270 , 4944 , 25053 , 91164 , 498889 , 505055 , 3558045 , 6042849 , 11748152 , 99020834 , 62029719 , 828234950 , 1336199738 , 5068005734
n×2
4219383782
n×3
6329075673
n×4
8438767564
n×5
10548459455
n÷2
1054845945.5
n÷3
703230630.33333
n÷3
527422972.75
n÷5
421938378.2
n2
4450799874951155881
n3
9.3898164046483E+27
n4
1.9809619526865E+37
n5
4.1792193679623E+46
2 √n
45931.382419866
3 √n
1282.546179131
4 √n
214.31608063761
5 √n
73.256102141235
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
-2109691890
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 2109691891 can be divided by 8 positive divisors.
The sum of these divisors (counting 2109691891) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111101101111110101011111110011
3
Ternary
12110000202110012201
4
Quaternary
1331233311133303
5
Quinary
13310040120031
6
Senary
545202004031
8
Octal
17557653763
10
Decimal
2109691891
12
Duodecimal
4aa646617
16
Hexadecimal
7dbf57f3
20
Vigesimal
1cj5b9eb
36
Base36
yw20oj
md5
df7a13d372b667e642bd6445895a63ac
sha1
e2504be7df8119016c2e0d9384f253dd68bfde4e
sha256
b73b81c64dcd5c207c32102cac7bbc0d745be47a43a9b2dba55627df9de7b882
sha512
d7b55c728bdfb7438df8b660252906f4b016f06b71808617253dbf250bb7c9c05b19c60f7cdefa50abe47fba8cf3c8f61a2cbe919fbe33da27dace8bc8173366
ripemd-160
abb9881c17984f6753dd8c761bca22d2af33738d
Diameter
4219383782
Circumference
13255585092.207
Area
1.3982600189745E+19
Volume
3.9331970980533E+28
Surface area
5.593040075898E+19
Circumference
13255585092.207
Perimeter
8438767564
Area
4450799874951155881
Diagonal
2983554884.6807
Surface area
2.6704799249707E+19
Volume
9.3898164046483E+27
Space diagonal
3654093543.5281
Perimeter
6329075673
Area
1.9272528794342E+18
Altitude
1827046771.764
Surface area
1.9272528794342E+18
Volume
1.1066004756372E+27
Height
994518294.89358