1213231389 is an odd 10-digits composite number following 1213231388
and preceding 1213231390 . In scientific notation, it is written as 1.213231389 × 10^9.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 804629760 positive integers (up to 1213231389) that are relatively prime to 1213231389.
1213231389 has 8 divisors, whose sum is 1626024192
The reverse of 1213231389 is 9831323121
Previous prime number is 193
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 33
Digital Root 6
Name
one billion two hundred thirteen million two hundred thirty-one thousand three hundred eighty-nine
Scientific notation
1.213231389 × 10^9
Engineering notation
1.213231389 × 10^9
Prime Factorization
3 × 193 × 2095391
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1213231389
Product of the distinct prime numbers
The prime factorization of 1213231389 is 3 × 193 × 2095391.
Since it has a total of 3 prime factors.
6 , 6 , 65 , 38 , 742 , 741 , 6562 , 4074 , 14756 , 26601 , 23568 , 242382 , 4688206 , 3034626 , 44363510 , 57662985 , 991848781 , 829069493 , 5190786108 , 2187858445
n×2
2426462778
n×3
3639694167
n×4
4852925556
n×5
6066156945
n÷2
606615694.5
n÷3
404410463
n÷3
303307847.25
n÷5
242646277.8
n2
1471930403254869321
n3
1.7857921676522E+27
n4
2.166579112026E+36
n5
2.6285617854617E+45
2 √n
34831.47124369
3 √n
1066.5499818433
4 √n
186.63191378671
5 √n
65.582614717013
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
-1213231388
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 1213231389 can be divided by 8 positive divisors.
The sum of these divisors (counting 1213231389) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001000010100000111000100011101
3
Ternary
10010112220112120220
4
Quaternary
1020110013010131
5
Quinary
4441041401024
6
Senary
320215431553
8
Octal
11024070435
10
Decimal
1213231389
12
Duodecimal
29a3855b9
16
Hexadecimal
4850711d
20
Vigesimal
ij2di99
36
Base36
k2brbx
md5
d39f24680c7070838d9103c2e9dfeb47
sha1
969af76104292032a89b65ff5a1807fcc8b0b1ac
sha256
5021c3ea61ca38d0492cc0e47f688825b61e778d618d1f093c09b4b027e827dd
sha512
99bef18d225049cf357a93dc055a0ee68f3f6575e6e116808e21c7196c000a64d59ec2012c53b6f0ae99233531c0a49beb92b8fcacccd78eaa4a9fad0a567ed4
ripemd-160
828a0ece90987e84d5bf5485f8b7cb6e5dcd1362
Diameter
2426462778
Circumference
7622957637.5739
Area
4.624205741461E+18
Volume
7.4803087396459E+27
Surface area
1.8496822965844E+19
Circumference
7622957637.5739
Perimeter
4852925556
Area
1471930403254869321
Diagonal
1715768284.6205
Surface area
8831582419529215926
Volume
1.7857921676522E+27
Space diagonal
2101378407.0854
Perimeter
3639694167
Area
6.3736456091069E+17
Altitude
1050689203.5427
Surface area
6.3736456091069E+17
Volume
2.1045762525612E+26
Height
571922761.54018