20150809 is an odd 8-digits composite number following 20150808
and preceding 20150810 . In scientific notation, it is written as 2.0150809 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 17272080 positive integers (up to 20150809) that are relatively prime to 20150809.
20150809 has 4 divisors, whose sum is 20562100
The reverse of 20150809 is 90805102
Previous prime number is 49
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred fifty thousand eight hundred nine
Scientific notation
2.0150809 × 10^7
Engineering notation
2.0150809 × 10^6
Prime Factorization
49 × 411241
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20150809
Product of the distinct prime numbers
The prime factorization of 20150809 is 49 × 411241.
Since it has a total of 2 prime factors.
10 , 9 , 21 , 83 , 467 , 809 , 1337 , 7812 , 90457 , 12780 , 688928 , 516177 , 9223263 , 4944581 , 67730166 , 66662654 , 593282424 , 949954668 , 876549981 , 6499265052
n×2
40301618
n×3
60452427
n×4
80603236
n×5
100754045
n÷2
10075404.5
n÷3
6716936.3333333
n÷3
5037702.25
n÷5
4030161.8
n2
406055103354481
n3
8.1823388311714E+21
n4
1.6488074696022E+29
n5
3.3224804397727E+36
2 √n
4488.9652482504
3 √n
272.12231829121
4 √n
66.999740658083
5 √n
28.897381887507
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
-20150808
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 20150809 can be divided by 4 positive divisors.
The sum of these divisors (counting 20150809) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110111101000011001
3
Ternary
1101220202201021
4
Quaternary
1030313220121
5
Quinary
20124311214
6
Senary
1555522441
8
Octal
114675031
10
Decimal
20150809
12
Duodecimal
68b9421
16
Hexadecimal
1337a19
20
Vigesimal
65ih09
36
Base36
bzwgp
md5
a40f3f9bbd3c16f5fa244c5553d5fe05
sha1
343f692ef04aec937ff7ba55bc4df57a88f0f7c2
sha256
d64a196e99add917321e895e4f106efac8a03307b7788abbd26f7afc259b854f
sha512
4501d4061b3caf9a18b163ffa33537f21b0c141b04ce82f4137a0ee2a4aba9860fe1ad69c757419ac84b67894c14480aea196e157f156cee2227e9a15c941f87
ripemd-160
2b0de9a82f982ca7086391be1049d1cfb19c76ca
Diameter
40301618
Circumference
126611267.03658
Area
1.2756597296511E+15
Volume
3.4274100748254E+22
Surface area
5.1026389186043E+15
Circumference
126611267.03658
Perimeter
80603236
Area
406055103354481
Diagonal
28497547.38059
Surface area
2436330620126886
Volume
8.1823388311714E+21
Space diagonal
34902225.001616
Perimeter
60452427
Area
1.7582701742065E+14
Altitude
17451112.500808
Surface area
1.7582701742065E+14
Volume
9.6429787891455E+20
Height
9499182.4601966