212804939 is an odd 9-digits composite number following 212804938
and preceding 212804940 . In scientific notation, it is written as 2.12804939 × 10^8.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 212481360 positive integers (up to 212804939) that are relatively prime to 212804939.
212804939 has 4 divisors, whose sum is 213128520
The reverse of 212804939 is 939408212
Previous prime number is 659
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
two hundred twelve million eight hundred four thousand nine hundred thirty-nine
Scientific notation
2.12804939 × 10^8
Engineering notation
2.12804939 × 10^6
Prime Factorization
659 × 322921
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
212804939
Product of the distinct prime numbers
The prime factorization of 212804939 is 659 × 322921.
Since it has a total of 2 prime factors.
3 , 10 , 13 , 80 , 729 , 20 , 6674 , 7793 , 903 , 69931 , 170501 , 571634 , 2072336 , 3537472 , 59656205 , 27162493 , 784161814 , 975059890 , 7861724279 , 6705933760
n×2
425609878
n×3
638414817
n×4
851219756
n×5
1064024695
n÷2
106402469.5
n÷3
70934979.666667
n÷3
53201234.75
n÷5
42560987.8
n2
45285942062793721
n3
9.6370721382304E+24
n4
2.0508165485147E+33
n5
4.3642389050686E+41
2 √n
14587.835308914
3 √n
597.02690233577
4 √n
120.78011139635
5 √n
46.301636449525
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
-212804938
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 212804939 can be divided by 4 positive divisors.
The sum of these divisors (counting 212804939) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100101011110010010101001011
3
Ternary
112211102121111102
4
Quaternary
30223302111023
5
Quinary
413434224224
6
Senary
33041052015
8
Octal
1453622513
10
Decimal
212804939
12
Duodecimal
5b32700b
16
Hexadecimal
caf254b
20
Vigesimal
36a0c6j
36
Base36
3ip5cb
md5
1828f5acd1d4d5d17893c2c85a1f2177
sha1
6642251165da7a8e86867222121b1b4c426a31a6
sha256
ffb80b8f15c258a74b492c4d53fdd923a53599396d75ef954ebd62c0b3805782
sha512
5bfb994264033dc09b72f0da42fa5ca5f5dfc2b0140b52f98b694d214ead34e20d27c74a55015013e8b163c3081ffcdc8d6fcd84a4f4611a942ae0050b3ec378
ripemd-160
a6af72699c4d24006ac5fbaccea96069357f973f
Diameter
425609878
Circumference
1337092866.02
Area
1.4226998289537E+17
Volume
4.0367673375439E+25
Surface area
5.6907993158146E+17
Circumference
1337092866.02
Perimeter
851219756
Area
45285942062793721
Diagonal
300951630.87378
Surface area
271715652376762326
Volume
9.6370721382304E+24
Space diagonal
368588966.4496
Perimeter
638414817
Area
1.9609388130345E+16
Altitude
184294483.2248
Surface area
1.9609388130345E+16
Volume
1.1357398432878E+24
Height
100317210.29126