2021155 is an odd 7-digits composite number following 2021154
and preceding 2021156 . In scientific notation, it is written as 2.021155 × 10^6.
The sum of its digits is 16. It has a total of 4 prime factors and 16 positive divisors.
There are 1525888 positive integers (up to 2021155) that are relatively prime to 2021155.
2021155 has 16 divisors, whose sum is 2566080
The reverse of 2021155 is 5511202
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 16
Digital Root 7
Name
two million twenty-one thousand one hundred fifty-five
Scientific notation
2.021155 × 10^6
Engineering notation
2.021155 × 10^6
Prime Factorization
5 × 53 × 29 × 263
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2021155
Product of the distinct prime numbers
The prime factorization of 2021155 is 5 × 53 × 29 × 263.
Since it has a total of 4 prime factors.
4 , 6 , 68 , 58 , 719 , 760 , 7763 , 7718 , 92613 , 88907 , 378441 , 791281 , 7421218 , 7144079 , 40067221 , 86398197 , 491436238 , 1356090 , 7174192599 , 4570661886
n×2
4042310
n×3
6063465
n×4
8084620
n×5
10105775
n÷2
1010577.5
n÷3
673718.33333333
n÷3
505288.75
n÷5
404231
n2
4085067534025
n3
8256554671732298875
n4
1.6687776757545E+25
n5
3.3728583432396E+31
2 √n
1421.6733098712
3 √n
126.43477502167
4 √n
37.705083342583
5 √n
18.243994139675
1 , 5 , 29 , 53 , 145 , 263 , 265 , 1315 , 1537 , 7627 , 7685 , 13939 , 38135 , 69695 , 404231 , 2021155
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2021154
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2021155 can be divided by 16 positive divisors.
The sum of these divisors (counting 2021155) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101101011100100011
3
Ternary
10210200111121
4
Quaternary
13231130203
5
Quinary
1004134110
6
Senary
111153111
8
Octal
7553443
10
Decimal
2021155
12
Duodecimal
815797
16
Hexadecimal
1ed723
20
Vigesimal
ccchf
36
Base36
17bj7
md5
9c33ea5cd140f562a71576a896d04265
sha1
5b2930cf62cdfb5d0031070550c726648c13d384
sha256
df3b6a75803439ef5e7cddec6bec79f3684eb4e32fca5e42aed1862ef2d48f26
sha512
aa43db5c006e4a5c58c431b160847b19e088d6493d620fd77d6aceacf085ebab5f36ef1f2c8b2ef85e58490f0a92ca4d8f8d6d631442bd5cc1dc2a002b43421d
ripemd-160
583b0de87e368ea9bd75240e65cc3115774ebb2b
Diameter
4042310
Circumference
12699291.399533
Area
12833618154311
Volume
3.4584975334236E+19
Surface area
51334472617244
Circumference
12699291.399533
Perimeter
8084620
Area
4085067534025
Diagonal
2858344.8126582
Surface area
24510405204150
Volume
8256554671732298875
Space diagonal
3500743.1499719
Perimeter
6063465
Area
1768886130320.4
Altitude
1750371.5749859
Surface area
1768886130320.4
Volume
9.7304429960323E+17
Height
952781.6042194