2153145 is an odd 7-digits composite number following 2153144
and preceding 2153146 . In scientific notation, it is written as 2.153145 × 10^6.
The sum of its digits is 21. It has a total of 4 prime factors and 12 positive divisors.
There are 1084512 positive integers (up to 2153145) that are relatively prime to 2153145.
2153145 has 12 divisors, whose sum is 2427264
The reverse of 2153145 is 5413512
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 21
Digital Root 3
Name
two million one hundred fifty-three thousand one hundred forty-five
Scientific notation
2.153145 × 10^6
Engineering notation
2.153145 × 10^6
Prime Factorization
15 × 23 × 79 × 79
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
27255
Product of the distinct prime numbers
The prime factorization of 2153145 is 15 × 23 × 79 × 79.
Since it has a total of 4 prime factors.
4 , 5 , 1 , 6 , 656 , 285 , 2096 , 805 , 37312 , 78939 , 74984 , 122352 , 2324633 , 9357652 , 23568709 , 23648655 , 145530773 , 7570175 , 4835775189 , 8589826855
n×2
4306290
n×3
6459435
n×4
8612580
n×5
10765725
n÷2
1076572.5
n÷3
717715
n÷3
538286.25
n÷5
430629
n2
4636033391025
n3
9.9820521157185E+18
n4
2.1492805602699E+25
n5
4.6277126919423E+31
2 √n
1467.3598740595
3 √n
129.12918972857
4 √n
38.306133634962
5 √n
18.476285120594
1 , 15 , 23 , 79 , 345 , 1185 , 1817 , 6241 , 27255 , 93615 , 143543 , 2153145
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2153144
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2153145 can be divided by 12 positive divisors.
The sum of these divisors (counting 2153145) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000001101101010111001
3
Ternary
11001101120010
4
Quaternary
20031222321
5
Quinary
1022400040
6
Senary
114052133
8
Octal
10155271
10
Decimal
2153145
12
Duodecimal
87a049
16
Hexadecimal
20dab9
20
Vigesimal
d92h5
36
Base36
1a5dl
md5
242ae3601afb5e63a2eaa5f8b3e6ad19
sha1
2f0fd68620bf402eb88f5f075b24623bd92a27ac
sha256
17fc78a182574d6a956e87466f486c3c3053d2b2f68cb66c35aecb432f9b6205
sha512
9fd8dedc0f37b0da101f888dd982bae1a3ce57d10fcc3afce56200320d80fee3ebc411b5cff45641ca1c84c2ac40226ce2684f6217753890ac1fd25150c79706
ripemd-160
d9293632f3515a492bf36ec57969b317074488ac
Diameter
4306290
Circumference
13528609.028227
Area
14564528443041
Volume
4.1812722125989E+19
Surface area
58258113772164
Circumference
13528609.028227
Perimeter
8612580
Area
4636033391025
Diagonal
3045006.8607558
Surface area
27816200346150
Volume
9.9820521157185E+18
Space diagonal
3729356.5360629
Perimeter
6459435
Area
2007461344710.3
Altitude
1864678.2680314
Surface area
2007461344710.3
Volume
1.1763961235303E+18
Height
1015002.2869186