209212961 is an odd 9-digits composite number following 209212960
and preceding 209212962 . In scientific notation, it is written as 2.09212961 × 10^8.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 208291092 positive integers (up to 209212961) that are relatively prime to 209212961.
209212961 has 4 divisors, whose sum is 210134832
The reverse of 209212961 is 169212902
Previous prime number is 227
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
two hundred nine million two hundred twelve thousand nine hundred sixty-one
Scientific notation
2.09212961 × 10^8
Engineering notation
2.09212961 × 10^6
Prime Factorization
227 × 921643
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
209212961
Product of the distinct prime numbers
The prime factorization of 209212961 is 227 × 921643.
Since it has a total of 2 prime factors.
6 , 2 , 3 , 22 , 567 , 939 , 9368 , 5065 , 91637 , 26626 , 211768 , 838319 , 4425277 , 308347 , 35375460 , 38250644 , 263979938 , 566544645 , 729129389 , 6319713638
n×2
418425922
n×3
627638883
n×4
836851844
n×5
1046064805
n÷2
104606480.5
n÷3
69737653.666667
n÷3
52303240.25
n÷5
41842592.2
n2
43770063050387521
n3
9.1572644939283E+24
n4
1.9158184194349E+33
n5
4.0081404426832E+41
2 √n
14464.195829703
3 √n
593.64871038927
4 √n
120.26718517411
5 √n
46.144263344471
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
-209212960
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 209212961 can be divided by 4 positive divisors.
The sum of these divisors (counting 209212961) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100011110000101011000100001
3
Ternary
112120200010020012
4
Quaternary
30132011120201
5
Quinary
412024303321
6
Senary
32432054305
8
Octal
1436053041
10
Decimal
209212961
12
Duodecimal
5a094395
16
Hexadecimal
c785621
20
Vigesimal
357bc81
36
Base36
3gk5r5
md5
02881c8b3af49abf71af9201d27e9bae
sha1
3ef9109ca8e0124256b5a75d3ce8c4d805d1a8b0
sha256
c691aa146ee6664cd43c19bfcd17c80a17b088390160c8a2b19d155486ffba8d
sha512
7e21cff090c9ac11dbd0f3f24d8d47f93dc5647e72dc846c3196c4b682ac445c3e95baf892d05fc68aee2020f5cd072a2a3181b937d525e7b3a7814b9f50137d
ripemd-160
c9fbf244d559940d0060b7ecd4dedbc34541edc2
Diameter
418425922
Circumference
1314523802.6267
Area
1.3750770852626E+17
Volume
3.8357859814805E+25
Surface area
5.5003083410504E+17
Circumference
1314523802.6267
Perimeter
836851844
Area
43770063050387521
Diagonal
295871806.87043
Surface area
262620378302325126
Volume
9.1572644939283E+24
Space diagonal
362367478.05393
Perimeter
627638883
Area
1.8952993263441E+16
Altitude
181183739.02696
Surface area
1.8952993263441E+16
Volume
1.0791939701292E+24
Height
98623935.623478