2021105 is an odd 7-digits composite number following 2021104
and preceding 2021106 . In scientific notation, it is written as 2.021105 × 10^6.
The sum of its digits is 11. It has a total of 2 prime factors and 4 positive divisors.
There are 1616880 positive integers (up to 2021105) that are relatively prime to 2021105.
2021105 has 4 divisors, whose sum is 2425332
The reverse of 2021105 is 5011202
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 11
Digital Root 2
Name
two million twenty-one thousand one hundred five
Scientific notation
2.021105 × 10^6
Engineering notation
2.021105 × 10^6
Prime Factorization
5 × 404221
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2021105
Product of the distinct prime numbers
The prime factorization of 2021105 is 5 × 404221.
Since it has a total of 2 prime factors.
10 , 8 , 93 , 36 , 187 , 882 , 7072 , 2945 , 93557 , 3541 , 550977 , 412396 , 5163865 , 4607492 , 12922057 , 33911256 , 384108494 , 797138773 , 5278428527 , 7334762531
n×2
4042210
n×3
6063315
n×4
8084420
n×5
10105525
n÷2
1010552.5
n÷3
673701.66666667
n÷3
505276.25
n÷5
404221
n2
4084865421025
n3
8255941926760732625
n4
1.6686125507886E+25
n5
3.3724411694615E+31
2 √n
1421.6557248504
3 √n
126.43373241799
4 √n
37.704850150218
5 √n
18.243903873591
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
-2021104
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 2021105 can be divided by 4 positive divisors.
The sum of these divisors (counting 2021105) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101101011011110001
3
Ternary
10210200102202
4
Quaternary
13231123301
5
Quinary
1004133410
6
Senary
111152545
8
Octal
7553361
10
Decimal
2021105
12
Duodecimal
815755
16
Hexadecimal
1ed6f1
20
Vigesimal
cccf5
36
Base36
17bht
md5
a2e0cb0f41526175456ae3cc800a179a
sha1
d6e1a2e5bb98e7d683d0a5ee89951f9bf08d6742
sha256
55d5e213e6b66724552b799b4ca29abff31bfac0db7958e89484a817bb7cfd05
sha512
892ad7e9b7d04bedc0c21d587dd315f7bb4b4a8bbab594ce33d8a1f8854ea318fdfd8ae069ef71963b6c21b1bf54dfa4b59e4e0ed77ec9f32d2a927dc73725de
ripemd-160
947ab5263908939e119a20e44c440e0b7cb34b88
Diameter
4042210
Circumference
12698977.240267
Area
12832983197595
Volume
3.4582408674101E+19
Surface area
51331932790380
Circumference
12698977.240267
Perimeter
8084420
Area
4084865421025
Diagonal
2858274.1019801
Surface area
24509192526150
Volume
8255941926760732625
Space diagonal
3500656.5474315
Perimeter
6063315
Area
1768798612824.1
Altitude
1750328.2737157
Surface area
1768798612824.1
Volume
9.7297208691581E+17
Height
952758.03399336