1231191145 is an odd 10-digits composite number following 1231191144
and preceding 1231191146 . In scientific notation, it is written as 1.231191145 × 10^9.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 984952912 positive integers (up to 1231191145) that are relatively prime to 1231191145.
1231191145 has 4 divisors, whose sum is 1477429380
The reverse of 1231191145 is 5411911321
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 28
Digital Root 1
Name
one billion two hundred thirty-one million one hundred ninety-one thousand one hundred forty-five
Scientific notation
1.231191145 × 10^9
Engineering notation
1.231191145 × 10^9
Prime Factorization
5 × 246238229
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1231191145
Product of the distinct prime numbers
The prime factorization of 1231191145 is 5 × 246238229.
Since it has a total of 2 prime factors.
5 , 10 , 10 , 76 , 317 , 992 , 2499 , 8984 , 25467 , 48209 , 273293 , 528894 , 723551 , 9715456 , 86038816 , 80035271 , 806784501 , 774534583 , 9480445819 , 1188732238
n×2
2462382290
n×3
3693573435
n×4
4924764580
n×5
6155955725
n÷2
615595572.5
n÷3
410397048.33333
n÷3
307797786.25
n÷5
246238229
n2
1515831635526411025
n3
1.866278486971E+27
n4
2.2977455472627E+36
n5
2.828963971253E+45
2 √n
35088.333459998
3 √n
1071.7870231209
4 √n
187.31880167244
5 √n
65.775642146846
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
-1231191144
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 1231191145 can be divided by 4 positive divisors.
The sum of these divisors (counting 1231191145) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001001011000100111110001101001
3
Ternary
10011210200222202001
4
Quaternary
1021120213301221
5
Quinary
10010141104040
6
Senary
322100411001
8
Octal
11130476151
10
Decimal
1231191145
12
Duodecimal
2a43a6a61
16
Hexadecimal
49627c69
20
Vigesimal
j4eihh5
36
Base36
kd0p61
md5
5b42a6ef7acc114b6418fb0f61b1b48d
sha1
f204addcf306ca1e5a6157058e0a4dfb8289696b
sha256
c7a9aa565206da025e3a52a81c3ae954ff0b393ce1d23ad34d24ba75dced6a27
sha512
a9180cb0392424bad1a7baf6612d1ca309d9fd55df96aebdbe9c61e55c0c0649eca2fb1d12838608ec7280a696593904a522eebb0cfc00b70e7b028e97e1b3dc
ripemd-160
6ab43ce988f70c996e083f7fac38207d49dcfc06
Diameter
2462382290
Circumference
7735802112.5936
Area
4.7621255302488E+18
Volume
7.8174490456276E+27
Surface area
1.9048502120995E+19
Circumference
7735802112.5936
Perimeter
4924764580
Area
1515831635526411025
Diagonal
1741167215.1327
Surface area
9094989813158466150
Volume
1.866278486971E+27
Space diagonal
2132485616.9689
Perimeter
3693573435
Area
6.5637435211299E+17
Altitude
1066242808.4845
Surface area
6.5637435211299E+17
Volume
2.1994302895329E+26
Height
580389071.71089