2123145 is an odd 7-digits composite number following 2123144
and preceding 2123146 . In scientific notation, it is written as 2.123145 × 10^6.
The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors.
There are 1132272 positive integers (up to 2123145) that are relatively prime to 2123145.
2123145 has 8 divisors, whose sum is 2893952
The reverse of 2123145 is 5413212
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 18
Digital Root 9
Name
two million one hundred twenty-three thousand one hundred forty-five
Scientific notation
2.123145 × 10^6
Engineering notation
2.123145 × 10^6
Prime Factorization
45 × 3 × 15727
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2123145
Product of the distinct prime numbers
The prime factorization of 2123145 is 45 × 3 × 15727.
Since it has a total of 3 prime factors.
5 , 7 , 95 , 95 , 927 , 755 , 4251 , 4747 , 61663 , 99385 , 168726 , 931984 , 9848551 , 3378282 , 63842733 , 75450371 , 138398785 , 331087181 , 2365011405 , 5438560692
n×2
4246290
n×3
6369435
n×4
8492580
n×5
10615725
n÷2
1061572.5
n÷3
707715
n÷3
530786.25
n÷5
424629
n2
4507744691025
n3
9.5705956020263E+18
n4
2.0319762199464E+25
n5
4.3141801514981E+31
2 √n
1457.1015750455
3 √n
128.52665901588
4 √n
38.171999882708
5 √n
18.424509339763
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
-2123144
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 2123145 can be divided by 8 positive divisors.
The sum of these divisors (counting 2123145) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000000110010110001001
3
Ternary
10222212102000
4
Quaternary
20012112021
5
Quinary
1020420040
6
Senary
113301213
8
Octal
10062611
10
Decimal
2123145
12
Duodecimal
864809
16
Hexadecimal
206589
20
Vigesimal
d57h5
36
Base36
19i89
md5
6ba0dd2af4b8feca13d2deda775c90d5
sha1
96d03370466fd9cc3d9ae8a5039b1dd15f9ae652
sha256
0797498fa0774dcf92511e9db5bbb909f5bc09b184a62654952c53ae0bfc2ba0
sha512
b91e44a6222e9460e720f28def266584fd2ee6c015d2cf9a9cfe81e91012319524b89222ada4326edbe6e6a697194027cbcfa70e81da5d495986b494ef263d5c
ripemd-160
177e2156aabe4fa549317bac80a57457954d4714
Diameter
4246290
Circumference
13340113.469012
Area
14161497605583
Volume
4.0089217111739E+19
Surface area
56645990422330
Circumference
13340113.469012
Perimeter
8492580
Area
4507744691025
Diagonal
3002580.4538846
Surface area
27046468146150
Volume
9.5705956020263E+18
Space diagonal
3677395.0118358
Perimeter
6369435
Area
1951910708101
Altitude
1838697.5059179
Surface area
1951910708101
Volume
1.1279055083645E+18
Height
1000860.1512949