209748638 is an even 9-digits composite number following 209748637
and preceding 209748639 . In scientific notation, it is written as 2.09748638 × 10^8.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 86391360 positive integers (up to 209748638) that are relatively prime to 209748638.
209748638 has 16 divisors, whose sum is 332506320
The reverse of 209748638 is 836847902
Previous prime number is 253
Is Prime? no
Number parity even
Number length 9
Sum of Digits 47
Digital Root 2
Name
two hundred nine million seven hundred forty-eight thousand six hundred thirty-eight
Scientific notation
2.09748638 × 10^8
Engineering notation
2.09748638 × 10^6
Prime Factorization
2 × 19 × 253 × 21817
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
209748638
Product of the distinct prime numbers
The prime factorization of 209748638 is 2 × 19 × 253 × 21817.
Since it has a total of 4 prime factors.
1 , 6 , 39 , 23 , 894 , 137 , 2342 , 2481 , 44444 , 21434 , 693117 , 213533 , 2297510 , 2401794 , 73085420 , 14250521 , 979532831 , 850415238 , 9798959071 , 5113535140
n×2
419497276
n×3
629245914
n×4
838994552
n×5
1048743190
n÷2
104874319
n÷3
69916212.666667
n÷3
52437159.5
n÷5
41949727.6
n2
43994491142855044
n3
9.2277845967169E+24
n4
1.9355152509188E+33
n5
4.0597168770844E+41
2 √n
14482.701336422
3 √n
594.15494565345
4 √n
120.34409556111
5 √n
46.167869093616
1 , 2 , 19 , 38 , 253 , 506 , 4807 , 9614 , 21817 , 43634 , 414523 , 829046 , 5519701 , 11039402 , 104874319 , 209748638
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
-209748637
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 209748638 can be divided by 16 positive divisors.
The sum of these divisors (counting 209748638) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100100000001000001010011110
3
Ternary
112121200100001002
4
Quaternary
30200020022132
5
Quinary
412143424023
6
Senary
32451350302
8
Octal
1440101236
10
Decimal
209748638
12
Duodecimal
5a2b2392
16
Hexadecimal
c80829e
20
Vigesimal
35aibbi
36
Base36
3gvn32
md5
862fb58c92624c731fc3180df645ba72
sha1
3e43a7f2808befae4c949f76e31c7b06fe95d073
sha256
3c2ec1911a25c86af600d9ec5df00deac83e11c46d5cbe642b723b00b6ab22cf
sha512
35deee3f7d8d31fb1c27854b83e291dd69f9f2e0b67cb48a9e1cfb014ea17c059bbaa3921148f9586677c19b6556e8da54016dcee3fede7b36dc8383dd826673
ripemd-160
39870c56f5b41cc50e9e5255008a27611ee34856
Diameter
419497276
Circumference
1317889560.4825
Area
1.3821277017281E+17
Volume
3.8653253730607E+25
Surface area
5.5285108069126E+17
Circumference
1317889560.4825
Perimeter
838994552
Area
43994491142855044
Diagonal
296629368.54888
Surface area
263966946857130264
Volume
9.2277845967169E+24
Space diagonal
363295297.83437
Perimeter
629245914
Area
1.9050173478141E+16
Altitude
181647648.91719
Surface area
1.9050173478141E+16
Volume
1.0875048439445E+24
Height
98876456.182962