2106721 is an odd 7-digits composite number following 2106720
and preceding 2106722 . In scientific notation, it is written as 2.106721 × 10^6.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 2103700 positive integers (up to 2106721) that are relatively prime to 2106721.
2106721 has 4 divisors, whose sum is 2109744
The reverse of 2106721 is 1276012
Previous prime number is 1091
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 19
Digital Root 1
Name
two million one hundred six thousand seven hundred twenty-one
Scientific notation
2.106721 × 10^6
Engineering notation
2.106721 × 10^6
Prime Factorization
1091 × 1931
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2106721
Product of the distinct prime numbers
The prime factorization of 2106721 is 1091 × 1931.
Since it has a total of 2 prime factors.
10 , 4 , 79 , 79 , 477 , 393 , 376 , 6597 , 68277 , 25381 , 466258 , 954526 , 6727649 , 3790099 , 14535141 , 85877840 , 690173381 , 941647845 , 955964616 , 5129287355
n×2
4213442
n×3
6320163
n×4
8426884
n×5
10533605
n÷2
1053360.5
n÷3
702240.33333333
n÷3
526680.25
n÷5
421344.2
n2
4438273371841
n3
9.3502037161982E+18
n4
1.9698270523193E+25
n5
4.1498760174891E+31
2 √n
1451.454787446
3 √n
128.19438645011
4 √n
38.097963035391
5 √n
18.395915451712
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2106720
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2106721 can be divided by 4 positive divisors.
The sum of these divisors (counting 2106721) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000000010010101100001
3
Ternary
10222000212201
4
Quaternary
20002111201
5
Quinary
1014403341
6
Senary
113053201
8
Octal
10022541
10
Decimal
2106721
12
Duodecimal
857201
16
Hexadecimal
202561
20
Vigesimal
d36g1
36
Base36
195k1
md5
4cc953d5a2b7ab4f7b0599a0a0b14b2b
sha1
b3b3786d73bea4536de0315a352771487bc69253
sha256
90e2cc9b9e75df4f1492577b7e1064719c3a67c7f418a95cb3cd1e0a67eb137d
sha512
5f6045ae71596bbe6037270253f8649ffc1e7fe8fc0a064a943bef49112f22b7e04b5905a687dcc27887ca92d4703349a14d0ace12d73f41a5a2c8ff84ac223f
ripemd-160
1dced2a38404e0512ebbf92c199f047412090614
Diameter
4213442
Circumference
13236918.433527
Area
13943247019599
Volume
3.9166041739169E+19
Surface area
55772988078396
Circumference
13236918.433527
Perimeter
8426884
Area
4438273371841
Diagonal
2979353.4103362
Surface area
26629640231046
Volume
9.3502037161982E+18
Space diagonal
3648947.8093723
Perimeter
6320163
Area
1921828744477.2
Altitude
1824473.9046862
Surface area
1921828744477.2
Volume
1.1019320755332E+18
Height
993117.8034454