1213405938 is an even 10-digits composite number following 1213405937
and preceding 1213405939 . In scientific notation, it is written as 1.213405938 × 10^9.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 404468640 positive integers (up to 1213405938) that are relatively prime to 1213405938.
1213405938 has 8 divisors, whose sum is 2022343260
The reverse of 1213405938 is 8395043121
Previous prime number is 9
Is Prime? no
Number parity even
Number length 10
Sum of Digits 36
Digital Root 9
Name
one billion two hundred thirteen million four hundred five thousand nine hundred thirty-eight
Scientific notation
1.213405938 × 10^9
Engineering notation
1.213405938 × 10^9
Prime Factorization
2 × 9 × 67411441
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1213405938
Product of the distinct prime numbers
The prime factorization of 1213405938 is 2 × 9 × 67411441.
Since it has a total of 3 prime factors.
6 , 6 , 60 , 30 , 820 , 723 , 8657 , 7758 , 17832 , 77487 , 538563 , 872378 , 3760530 , 7669308 , 98100141 , 90239439 , 932712912 , 815395639 , 4425766750 , 9230691798
n×2
2426811876
n×3
3640217814
n×4
4853623752
n×5
6067029690
n÷2
606702969
n÷3
404468646
n÷3
303351484.5
n÷5
242681187.6
n2
1472353970373659844
n3
1.7865630504893E+27
n4
2.1678262140751E+36
n5
2.6304532007108E+45
2 √n
34833.976775556
3 √n
1066.6011279828
4 √n
186.63862616178
5 √n
65.584501697716
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
-1213405937
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 1213405938 can be divided by 8 positive divisors.
The sum of these divisors (counting 1213405938) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001000010100110001101011110010
3
Ternary
10010120020102000200
4
Quaternary
1020110301223302
5
Quinary
4441112442223
6
Senary
320223300030
8
Octal
11024615362
10
Decimal
1213405938
12
Duodecimal
29a44a616
16
Hexadecimal
48531af2
20
Vigesimal
ij3fegi
36
Base36
k2fi0i
md5
619975b5c6e65dbb1301fddbd4389752
sha1
e4445918301018f1fe9663c4f441fcbf30b9c83e
sha256
75f4ce46d19baeda590a572bc6f80f61e1c34c95804ab8cc865a3b0051c46899
sha512
8c0447fe7be6ff6d4c46b3f8e19603726694ae1977c0667495f93562c01984f6fe5140b2e944e4c234ec57aa7e3a4bd2737f97594a4f8edc4a1a45f4591f8923
ripemd-160
e8ce5ce24856bca4d89d947ceab1a46231eaf53e
Diameter
2426811876
Circumference
7624054361.2861
Area
4.6255364168097E+18
Volume
7.4835378061228E+27
Surface area
1.8502145667239E+19
Circumference
7624054361.2861
Perimeter
4853623752
Area
1472353970373659844
Diagonal
1716015134.1836
Surface area
8834123822241959064
Volume
1.7865630504893E+27
Space diagonal
2101680734.8218
Perimeter
3640217814
Area
6.3754797085324E+17
Altitude
1050840367.4109
Surface area
6.3754797085324E+17
Volume
2.1054847466972E+26
Height
572005044.72788