1213156789 is an odd 10-digits composite number following 1213156788
and preceding 1213156790 . In scientific notation, it is written as 1.213156789 × 10^9.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 1118831616 positive integers (up to 1213156789) that are relatively prime to 1213156789.
1213156789 has 8 divisors, whose sum is 1307649560
The reverse of 1213156789 is 9876513121
Previous prime number is 1129
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 43
Digital Root 7
Name
one billion two hundred thirteen million one hundred fifty-six thousand seven hundred eighty-nine
Scientific notation
1.213156789 × 10^9
Engineering notation
1.213156789 × 10^9
Prime Factorization
13 × 1129 × 82657
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1213156789
Product of the distinct prime numbers
The prime factorization of 1213156789 is 13 × 1129 × 82657.
Since it has a total of 3 prime factors.
1 , 7 , 78 , 65 , 195 , 365 , 2753 , 7556 , 20539 , 74228 , 212982 , 241308 , 4173496 , 6945978 , 81712765 , 69842368 , 125553900 , 717946788 , 3094541170 , 4830543010
n×2
2426313578
n×3
3639470367
n×4
4852627156
n×5
6065783945
n÷2
606578394.5
n÷3
404385596.33333
n÷3
303289197.25
n÷5
242631357.8
n2
1471749394696790521
n3
1.7854627698831E+27
n4
2.1660462807904E+36
n5
2.627753750829E+45
2 √n
34830.400356585
3 √n
1066.5281211441
4 √n
186.62904478292
5 √n
65.581808179457
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
-1213156788
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 1213156789 can be divided by 8 positive divisors.
The sum of these divisors (counting 1213156789) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001000010011110100110110110101
3
Ternary
10010112202202020221
4
Quaternary
1020103310312311
5
Quinary
4441032004124
6
Senary
320214054341
8
Octal
11023646665
10
Decimal
1213156789
12
Duodecimal
29a34a3b1
16
Hexadecimal
484f4db5
20
Vigesimal
ij24bj9
36
Base36
k2a5rp
md5
75cb6a28a635bd795efc684209ae1d7a
sha1
0b7298f7dc1816e2220745e03201985774975c04
sha256
f9c4c430cd64dc8b9fd303b153b1311a93561de187d67c2c230182eaec2e198c
sha512
d160e7b7f029ebb40decf23dae63d3e4577195c82a45dae3c1cadc4fb6f22db93352c292358504e88fe4f08b040b6982003c3d5b7cc9c88f2820bcb1fafe0138
ripemd-160
ebe824649d187bf9d713e8a79dd1e2240e25f5f4
Diameter
2426313578
Circumference
7622488911.95
Area
4.6236370863047E+18
Volume
7.4789289614969E+27
Surface area
1.8494548345219E+19
Circumference
7622488911.95
Perimeter
4852627156
Area
1471749394696790521
Diagonal
1715662784.2888
Surface area
8830496368180743126
Volume
1.7854627698831E+27
Space diagonal
2101249196.0951
Perimeter
3639470367
Area
6.372861819059E+17
Altitude
1050624598.0476
Surface area
6.372861819059E+17
Volume
2.1041880535674E+26
Height
571887594.76293