2109991 is an odd 7-digits composite number following 2109990
and preceding 2109992 . In scientific notation, it is written as 2.109991 × 10^6.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 1927200 positive integers (up to 2109991) that are relatively prime to 2109991.
2109991 has 8 divisors, whose sum is 2296224
The reverse of 2109991 is 1999012
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 31
Digital Root 4
Name
two million one hundred nine thousand nine hundred ninety-one
Scientific notation
2.109991 × 10^6
Engineering notation
2.109991 × 10^6
Prime Factorization
13 × 101 × 1607
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2109991
Product of the distinct prime numbers
The prime factorization of 2109991 is 13 × 101 × 1607.
Since it has a total of 3 prime factors.
9 , 7 , 88 , 36 , 929 , 572 , 7579 , 1575 , 17566 , 8884 , 302719 , 236522 , 3489547 , 6032557 , 5942652 , 91013844 , 853317263 , 528427424 , 1655773838 , 6793253313
n×2
4219982
n×3
6329973
n×4
8439964
n×5
10549955
n÷2
1054995.5
n÷3
703330.33333333
n÷3
527497.75
n÷5
421998.2
n2
4452062020081
n3
9.3938107938127E+18
n4
1.9820856230648E+25
n5
4.1821828258961E+31
2 √n
1452.5808067023
3 √n
128.26067887677
4 √n
38.112738116046
5 √n
18.401622645978
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
-2109990
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 2109991 can be divided by 8 positive divisors.
The sum of these divisors (counting 2109991) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000000011001000100111
3
Ternary
10222012100211
4
Quaternary
20003020213
5
Quinary
1020004431
6
Senary
113120251
8
Octal
10031047
10
Decimal
2109991
12
Duodecimal
859087
16
Hexadecimal
203227
20
Vigesimal
d3ejb
36
Base36
1982v
md5
c3dd3dcabd610f51abfca926fee9e1cd
sha1
77d5f246d32729a199c227f3311f08003a42dfd0
sha256
d341a7a224c42b5f7974f3a4e527e54bcdf7ab23fd9cb359da6505608f4031b5
sha512
6075fa54473441a536d7e3148da893e8da16f07d1cab4dcf41f0a81080056371485de5bfb98b0593859fe0b8f515c747fff1808d422e799768cc620e1fafd140
ripemd-160
18a8c3debe03c3edcb727b1fe9d348b5ba2d76c1
Diameter
4219982
Circumference
13257464.449481
Area
13986565335613
Volume
3.9348702638739E+19
Surface area
55946261342450
Circumference
13257464.449481
Perimeter
8439964
Area
4452062020081
Diagonal
2983977.8886852
Surface area
26712372120486
Volume
9.3938107938127E+18
Space diagonal
3654611.6155131
Perimeter
6329973
Area
1927799404307
Altitude
1827305.8077565
Surface area
1927799404307
Volume
1.1070712189147E+18
Height
994659.29622839