209897906 is an even 9-digits composite number following 209897905
and preceding 209897907 . In scientific notation, it is written as 2.09897906 × 10^8.
The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors.
There are 104087280 positive integers (up to 209897906) that are relatively prime to 209897906.
209897906 has 16 divisors, whose sum is 317442240
The reverse of 209897906 is 609798902
Previous prime number is 179
Is Prime? no
Number parity even
Number length 9
Sum of Digits 50
Digital Root 5
Name
two hundred nine million eight hundred ninety-seven thousand nine hundred six
Scientific notation
2.09897906 × 10^8
Engineering notation
2.09897906 × 10^6
Prime Factorization
2 × 661 × 179 × 887
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
209897906
Product of the distinct prime numbers
The prime factorization of 209897906 is 2 × 661 × 179 × 887.
Since it has a total of 4 prime factors.
1 , 3 , 92 , 63 , 943 , 497 , 9002 , 4141 , 45233 , 23012 , 11459 , 872757 , 1255958 , 6892715 , 96103238 , 32571547 , 709858327 , 142460155 , 7866093306 , 6582367117
n×2
419795812
n×3
629693718
n×4
839591624
n×5
1049489530
n÷2
104948953
n÷3
69965968.666667
n÷3
52474476.5
n÷5
41979581.2
n2
44057130943184836
n3
9.2474995293423E+24
n4
1.9410307869449E+33
n5
4.0741829766127E+41
2 √n
14487.853740289
3 √n
594.29585604853
4 √n
120.36550062326
5 √n
46.174438313497
1 , 2 , 179 , 358 , 661 , 887 , 1322 , 1774 , 118319 , 158773 , 236638 , 317546 , 586307 , 1172614 , 104948953 , 209897906
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
-209897905
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 209897906 can be divided by 16 positive divisors.
The sum of these divisors (counting 209897906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100100000101100100110110010
3
Ternary
112121221220210112
4
Quaternary
30200230212302
5
Quinary
412213213111
6
Senary
32454501322
8
Octal
1440544662
10
Decimal
209897906
12
Duodecimal
5a364842
16
Hexadecimal
c82c9b2
20
Vigesimal
35bh4f6
36
Base36
3gyu9e
md5
e0db46051737df62ea8d00d7828695c8
sha1
a3ae92fc1719994d44f56646513d03481130d246
sha256
0f38ed4d8ad5376d5e9b1a398082035321c437e9f6fae8ba07a25e3bb0f01fcf
sha512
6a856c48f796b282d9a2f6070a91a771a3b00ec22ad2f13b119dd7775f7e064373aaafa7d3ac2c05b11f448512ea52d1c73dcc1103ff4c0224adbac75c332f85
ripemd-160
90b79ab75ccdf8c8c522ed4ed6b9713778f5396d
Diameter
419795812
Circumference
1318827438.987
Area
1.3840955890935E+17
Volume
3.8735835447276E+25
Surface area
5.5363823563741E+17
Circumference
1318827438.987
Perimeter
839591624
Area
44057130943184836
Diagonal
296840465.37891
Surface area
264342785659109016
Volume
9.2474995293423E+24
Space diagonal
363553837.59432
Perimeter
629693718
Area
1.9077297307328E+16
Altitude
181776918.79716
Surface area
1.9077297307328E+16
Volume
1.0898282710362E+24
Height
98946821.792971