213788891 is an odd 9-digits composite number following 213788890
and preceding 213788892 . In scientific notation, it is written as 2.13788891 × 10^8.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 212508552 positive integers (up to 213788891) that are relatively prime to 213788891.
213788891 has 4 divisors, whose sum is 215069232
The reverse of 213788891 is 198887312
Previous prime number is 167
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
two hundred thirteen million seven hundred eighty-eight thousand eight hundred ninety-one
Scientific notation
2.13788891 × 10^8
Engineering notation
2.13788891 × 10^6
Prime Factorization
167 × 1280173
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
213788891
Product of the distinct prime numbers
The prime factorization of 213788891 is 167 × 1280173.
Since it has a total of 2 prime factors.
2 , 9 , 58 , 28 , 515 , 507 , 4801 , 7915 , 76055 , 96271 , 405619 , 335748 , 1707455 , 1702526 , 49590166 , 99981468 , 583374442 , 610454929 , 713921378 , 9811192300
n×2
427577782
n×3
641366673
n×4
855155564
n×5
1068944455
n÷2
106894445.5
n÷3
71262963.666667
n÷3
53447222.75
n÷5
42757778.2
n2
45705689915009881
n3
9.7713687593198E+24
n4
2.089010090607E+33
n5
4.4660715055869E+41
2 √n
14621.521500856
3 √n
597.94565096309
4 √n
120.91948354528
5 √n
46.34437470627
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
-213788890
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 213788891 can be divided by 4 positive divisors.
The sum of these divisors (counting 213788891) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100101111100010100011011011
3
Ternary
112220021121020002
4
Quaternary
30233202203123
5
Quinary
414212221031
6
Senary
33114123215
8
Octal
1457424333
10
Decimal
213788891
12
Duodecimal
5b72050b
16
Hexadecimal
cbe28db
20
Vigesimal
36g3c4b
36
Base36
3ja8kb
md5
3c00c4c424fe399d071c38c82561ff07
sha1
ea951db59ba271946e64b25a8c5ddba7a29bccaf
sha256
67b91abee584d459742232f272871a5c1a41606b69f6a64ce8ae4c2565f94b72
sha512
e6e5c2538ef81b980b43a6ff8be0603f5fd455e6adffe426bf006543fe8ecedb9ae55e8ec800badbfb5570de4d64147c1a33a6b9b5797747cfb2a4008d7562f2
ripemd-160
0be6d37d37c535571545d23e2724d8480334dc07
Diameter
427577782
Circumference
1343275218.7694
Area
1.4358865966425E+17
Volume
4.0930213746395E+25
Surface area
5.7435463865699E+17
Circumference
1343275218.7694
Perimeter
855155564
Area
45705689915009881
Diagonal
302343149.1369
Surface area
274234139490059286
Volume
9.7713687593198E+24
Space diagonal
370293221.3058
Perimeter
641366673
Area
1.9791144281946E+16
Altitude
185146610.6529
Surface area
1.9791144281946E+16
Volume
1.1515668518649E+24
Height
100781049.7123