212740905 is an odd 9-digits composite number following 212740904
and preceding 212740906 . In scientific notation, it is written as 2.12740905 × 10^8.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 104733888 positive integers (up to 212740905) that are relatively prime to 212740905.
212740905 has 8 divisors, whose sum is 244379520
The reverse of 212740905 is 509047212
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
two hundred twelve million seven hundred forty thousand nine hundred five
Scientific notation
2.12740905 × 10^8
Engineering notation
2.12740905 × 10^6
Prime Factorization
15 × 13 × 1090979
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
212740905
Product of the distinct prime numbers
The prime factorization of 212740905 is 15 × 13 × 1090979.
Since it has a total of 3 prime factors.
1 , 5 , 67 , 46 , 721 , 333 , 4393 , 5130 , 86336 , 56093 , 512964 , 446731 , 1029375 , 7505742 , 85777873 , 79514403 , 219257742 , 12628746 , 7482249706 , 1706926366
n×2
425481810
n×3
638222715
n×4
850963620
n×5
1063704525
n÷2
106370452.5
n÷3
70913635
n÷3
53185226.25
n÷5
42548181
n2
45258692660219025
n3
9.6283752356519E+24
n4
2.0483492613122E+33
n5
4.3576767560763E+41
2 √n
14585.640369898
3 √n
596.96701360071
4 √n
120.77102454603
5 √n
46.29884963835
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
-212740904
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 212740905 can be divided by 8 positive divisors.
The sum of these divisors (counting 212740905) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100101011100010101100101001
3
Ternary
112211022100122210
4
Quaternary
30223202230221
5
Quinary
413430202110
6
Senary
33035435333
8
Octal
1453425451
10
Decimal
212740905
12
Duodecimal
5b2b5b49
16
Hexadecimal
cae2b29
20
Vigesimal
369cc55
36
Base36
3inrxl
md5
c1cafc0ac4466a3256dd53df9e06edf5
sha1
62e28e7e331196f806a1657e6d8e59b9be4910b4
sha256
c4881c578310de1e58a393e599bc778022189be099c46a58e68fa150f9c36588
sha512
702450b08969824f17da0808730ad85d016486d7440cb6a09259ae585cb23970433b237a16cd98bc9d553f7b05d3583ec6606cbf3c4ffa5dba079cb6a90e69e3
ripemd-160
7478a2a7ead91558cafa412413a724c89a78ef77
Diameter
425481810
Circumference
1336690528.5321
Area
1.4218437637242E+17
Volume
4.0331243875106E+25
Surface area
5.6873750548969E+17
Circumference
1336690528.5321
Perimeter
850963620
Area
45258692660219025
Diagonal
300861073.12253
Surface area
271552155961314150
Volume
9.6283752356519E+24
Space diagonal
368478056.30818
Perimeter
638222715
Area
1.9597588792911E+16
Altitude
184239028.15409
Surface area
1.9597588792911E+16
Volume
1.1347149034897E+24
Height
100287024.37418