20190815 is an odd 8-digits composite number following 20190814
and preceding 20190816 . In scientific notation, it is written as 2.0190815 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 14676480 positive integers (up to 20190815) that are relatively prime to 20190815.
20190815 has 8 divisors, whose sum is 24281088
The reverse of 20190815 is 51809102
Previous prime number is 493
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one hundred ninety thousand eight hundred fifteen
Scientific notation
2.0190815 × 10^7
Engineering notation
2.0190815 × 10^6
Prime Factorization
5 × 493 × 8191
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20190815
Product of the distinct prime numbers
The prime factorization of 20190815 is 5 × 493 × 8191.
Since it has a total of 3 prime factors.
2 , 1 , 31 , 7 , 117 , 716 , 1389 , 4431 , 44703 , 61200 , 394122 , 429429 , 9079266 , 8221847 , 63639761 , 66668506 , 547656497 , 602978590 , 5830999519 , 5098926822
n×2
40381630
n×3
60572445
n×4
80763260
n×5
100954075
n÷2
10095407.5
n÷3
6730271.6666667
n÷3
5047703.75
n÷5
4038163
n2
407669010364225
n3
8.2311695694971E+21
n4
1.6619402201135E+29
n5
3.355592752537E+36
2 √n
4493.4190768278
3 √n
272.30228342236
4 √n
67.03297007315
5 √n
28.908846952566
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20190814
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20190815 can be divided by 8 positive divisors.
The sum of these divisors (counting 20190815) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000001011001011111
3
Ternary
1101222210120222
4
Quaternary
1031001121133
5
Quinary
20132101230
6
Senary
2000431555
8
Octal
115013137
10
Decimal
20190815
12
Duodecimal
69185bb
16
Hexadecimal
134165f
20
Vigesimal
663h0f
36
Base36
c0rbz
md5
23f0a916a18f48b51a3577aa5fe5ae0d
sha1
a8f0322249257e8a885e1f81aa1290bab28695a5
sha256
422ce9facaf9c979f36ac1fb0f84148d2c30beb8022ea0363894ef47ab361c47
sha512
3f49bc2bdac617dc5cf13161867f0b5f2e03cf37c788bb0a58d7aac8aee567407c9677695c2ee720cc65e8507f85bc8f60d2f3bcd487d106b630594c6106ab8b
ripemd-160
9fb0e99c73a29d88a88adfd286c6fc4f31a9bcb4
Diameter
40381630
Circumference
126862632.14798
Area
1.2807299680565E+15
Volume
3.4478642466645E+22
Surface area
5.1229198722259E+15
Circumference
126862632.14798
Perimeter
80763260
Area
407669010364225
Diagonal
28554124.408366
Surface area
2446014062185350
Volume
8.2311695694971E+21
Space diagonal
34971517.426224
Perimeter
60572445
Area
1.7652585965554E+14
Altitude
17485758.713112
Surface area
1.7652585965554E+14
Volume
9.7005263661463E+20
Height
9518041.4694554