209912908 is an even 9-digits composite number following 209912907
and preceding 209912909 . In scientific notation, it is written as 2.09912908 × 10^8.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 103776992 positive integers (up to 209912908) that are relatively prime to 209912908.
209912908 has 12 divisors, whose sum is 371475720
The reverse of 209912908 is 809219902
Previous prime number is 89
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
two hundred nine million nine hundred twelve thousand nine hundred eight
Scientific notation
2.09912908 × 10^8
Engineering notation
2.09912908 × 10^6
Prime Factorization
2 × 2 × 89 × 589643
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
104956454
Product of the distinct prime numbers
The prime factorization of 209912908 is 2 × 2 × 89 × 589643.
Since it has a total of 4 prime factors.
2 , 7 , 69 , 66 , 995 , 540 , 5605 , 794 , 59835 , 66253 , 108154 , 444091 , 7709717 , 6131505 , 52404727 , 60817293 , 825413792 , 164989797 , 7154957662 , 3675306829
n×2
419825816
n×3
629738724
n×4
839651632
n×5
1049564540
n÷2
104956454
n÷3
69970969.333333
n÷3
52478227
n÷5
41982581.6
n2
44063428945016464
n3
9.2494825062998E+24
n4
1.9415857703925E+33
n5
4.0756391519451E+41
2 √n
14488.371475083
3 √n
594.31001438262
4 √n
120.36765128174
5 √n
46.1750983383
1 , 2 , 4 , 89 , 178 , 356 , 589643 , 1179286 , 2358572 , 52478227 , 104956454 , 209912908
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-209912907
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 209912908 can be divided by 12 positive divisors.
The sum of these divisors (counting 209912908) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1100100000110000010001001100
3
Ternary
112121222200101011
4
Quaternary
30200300101030
5
Quinary
412214203113
6
Senary
32455055004
8
Octal
1440602114
10
Decimal
209912908
12
Duodecimal
5a371464
16
Hexadecimal
c83044c
20
Vigesimal
35bj258
36
Base36
3gz5u4
md5
85ccf2063b266ee768567394685c0fa8
sha1
c7cae525636b29b244c5a1935d665c42ef916e86
sha256
4c6a0c518e20bd68ee4a673bbcca365aff086e2cb073e4c853b22f5b9bba9c12
sha512
81618217d89a085bb336916dd22381c732448558ee7763070859c772ec23665e6078be29a6bf9c13a3d16f9ee9fcfb127149502eaf366ba921e1662222b9c2b0
ripemd-160
99685a7057825780663e43a6c4440e11d94e64f7
Diameter
419825816
Circumference
1318921699.3329
Area
1.3842934466564E+17
Volume
3.8744141721732E+25
Surface area
5.5371737866256E+17
Circumference
1318921699.3329
Perimeter
839651632
Area
44063428945016464
Diagonal
296861681.41078
Surface area
264380573670098784
Volume
9.2494825062998E+24
Space diagonal
363579821.82053
Perimeter
629738724
Area
1.9080024422117E+16
Altitude
181789910.91027
Surface area
1.9080024422117E+16
Volume
1.0900619671118E+24
Height
98953893.803592