209938861 is an odd 9-digits composite number following 209938860
and preceding 209938862 . In scientific notation, it is written as 2.09938861 × 10^8.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 190762320 positive integers (up to 209938861) that are relatively prime to 209938861.
209938861 has 8 divisors, whose sum is 229133664
The reverse of 209938861 is 168839902
Previous prime number is 3253
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
two hundred nine million nine hundred thirty-eight thousand eight hundred sixty-one
Scientific notation
2.09938861 × 10^8
Engineering notation
2.09938861 × 10^6
Prime Factorization
11 × 3253 × 5867
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
209938861
Product of the distinct prime numbers
The prime factorization of 209938861 is 11 × 3253 × 5867.
Since it has a total of 3 prime factors.
6 , 6 , 69 , 72 , 421 , 886 , 3561 , 3945 , 64482 , 59013 , 857288 , 802406 , 1210054 , 4647843 , 79234516 , 66739112 , 969549267 , 151969111 , 6951556852 , 4255609264
n×2
419877722
n×3
629816583
n×4
839755444
n×5
1049694305
n÷2
104969430.5
n÷3
69979620.333333
n÷3
52484715.25
n÷5
41987772.2
n2
44074325357977321
n3
9.2529136649972E+24
n4
1.9425461557608E+33
n5
4.0781592738036E+41
2 √n
14489.267096717
3 √n
594.33450627361
4 √n
120.37137158277
5 √n
46.176240071867
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
-209938860
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 209938861 can be divided by 8 positive divisors.
The sum of these divisors (counting 209938861) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100100000110110100110101101
3
Ternary
112122000222222101
4
Quaternary
30200312212231
5
Quinary
412221020421
6
Senary
32455415101
8
Octal
1440664655
10
Decimal
209938861
12
Duodecimal
5a384491
16
Hexadecimal
c8369ad
20
Vigesimal
35c2731
36
Base36
3gzpv1
md5
ea9ea0d939893c82d01577512cb5eca1
sha1
c58418d50e482f580b5ce818d6f426925730ae42
sha256
e82dbf6b0019099262057e09a03dd9165c943119ed24a7c349e5eb3ccf8fdffd
sha512
fcf5840f44304cde427231f58c9d9d8fa439e06a7ac4e71ad71e3a395080a7ef22c96725980c8e4dc14a15cf81b6dfc41d33781b25965c4dc87e6a63de1da3f2
ripemd-160
cdf622dce1de79914fc14cb980513b672e3e6410
Diameter
419877722
Circumference
1319084766.8412
Area
1.3846357675655E+17
Volume
3.8758514125674E+25
Surface area
5.5385430702619E+17
Circumference
1319084766.8412
Perimeter
839755444
Area
44074325357977321
Diagonal
296898384.49536
Surface area
264445952147863926
Volume
9.2529136649972E+24
Space diagonal
363624773.73514
Perimeter
629816583
Area
1.9084742707335E+16
Altitude
181812386.86757
Surface area
1.9084742707335E+16
Volume
1.0904663330422E+24
Height
98966128.16512