210828981 is an odd 9-digits composite number following 210828980
and preceding 210828982 . In scientific notation, it is written as 2.10828981 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 124200000 positive integers (up to 210828981) that are relatively prime to 210828981.
210828981 has 16 divisors, whose sum is 307104768
The reverse of 210828981 is 189828012
Previous prime number is 8507
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
two hundred ten million eight hundred twenty-eight thousand nine hundred eighty-one
Scientific notation
2.10828981 × 10^8
Engineering notation
2.10828981 × 10^6
Prime Factorization
3 × 11 × 8507 × 751
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
210828981
Product of the distinct prime numbers
The prime factorization of 210828981 is 3 × 11 × 8507 × 751.
Since it has a total of 4 prime factors.
10 , 7 , 6 , 51 , 428 , 509 , 1058 , 3295 , 72141 , 3259 , 847682 , 123399 , 9698651 , 5728342 , 82342430 , 92812023 , 711569779 , 116758775 , 6360405904 , 949432837
n×2
421657962
n×3
632486943
n×4
843315924
n×5
1054144905
n÷2
105414490.5
n÷3
70276327
n÷3
52707245.25
n÷5
42165796.2
n2
44448859229498361
n3
9.3711076979676E+24
n4
1.9757010868038E+33
n5
4.1653504689143E+41
2 √n
14519.951136281
3 √n
595.17329509603
4 √n
120.4987598952
5 √n
46.215330370243
1 , 3 , 11 , 33 , 751 , 2253 , 8261 , 8507 , 24783 , 25521 , 93577 , 280731 , 6388757 , 19166271 , 70276327 , 210828981
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-210828980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 210828981 can be divided by 16 positive divisors.
The sum of these divisors (counting 210828981) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100100100001111111010110101
3
Ternary
112200201012222210
4
Quaternary
30210033322311
5
Quinary
412433011411
6
Senary
32530444033
8
Octal
1444177265
10
Decimal
210828981
12
Duodecimal
5a733619
16
Hexadecimal
c90feb5
20
Vigesimal
35hdc91
36
Base36
3hisol
md5
cfd05327a9b675686964f31103e3ef1d
sha1
514d13bc9086d2d88753988d83f717ac7e214714
sha256
36115d04c328855a1cc7856c920a65ed51586fa464ae6a8f8b5b50a7310b385f
sha512
f8dd962658e9f24c1ca64701b0f99f35cb28760de6d900a8dd0cd74ac163305f43ffa5055eebb960ae97b0fc009186aedc17de93e5b07442b5b1adc595309d7e
ripemd-160
4a6371aceae353419626f1c4a48c8256399a2c4e
Diameter
421657962
Circumference
1324677555.7468
Area
1.3964020961584E+17
Volume
3.9253604133245E+25
Surface area
5.5856083846336E+17
Circumference
1324677555.7468
Perimeter
843315924
Area
44448859229498361
Diagonal
298157204.2715
Surface area
266693155376990166
Volume
9.3711076979676E+24
Space diagonal
365166506.79997
Perimeter
632486943
Area
1.9246920630992E+16
Altitude
182583253.39999
Surface area
1.9246920630992E+16
Volume
1.1043956334104E+24
Height
99385734.757167