20851590 is an even 8-digits composite number following 20851589
and preceding 20851591 . In scientific notation, it is written as 2.0851590 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 5522400 positive integers (up to 20851590) that are relatively prime to 20851590.
20851590 has 16 divisors, whose sum is 33590784
The reverse of 20851590 is 09515802
Previous prime number is 151
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million eight hundred fifty-one thousand five hundred ninety
Scientific notation
2.0851590 × 10^7
Engineering notation
2.0851590 × 10^6
Prime Factorization
2 × 15 × 151 × 4603
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20851590
Product of the distinct prime numbers
The prime factorization of 20851590 is 2 × 15 × 151 × 4603.
Since it has a total of 4 prime factors.
4 , 6 , 24 , 48 , 525 , 733 , 821 , 2495 , 93193 , 27616 , 326219 , 566083 , 5026035 , 4087289 , 93300999 , 59188347 , 289909872 , 287342547 , 4346626892 , 3233073187
n×2
41703180
n×3
62554770
n×4
83406360
n×5
104257950
n÷2
10425795
n÷3
6950530
n÷3
5212897.5
n÷5
4170318
n2
434788805528100
n3
9.0660379094617E+21
n4
1.8904130541255E+29
n5
3.9418117935273E+36
2 √n
4566.3541255579
3 √n
275.24095685439
4 √n
67.574803925412
5 √n
29.095634695443
1 , 2 , 15 , 30 , 151 , 302 , 2265 , 4530 , 4603 , 9206 , 69045 , 138090 , 695053 , 1390106 , 10425795 , 20851590
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
-20851589
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 20851590 can be divided by 16 positive divisors.
The sum of these divisors (counting 20851590) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111100010101110000110
3
Ternary
1110020101000010
4
Quaternary
1033202232012
5
Quinary
20314222330
6
Senary
2022531050
8
Octal
117425606
10
Decimal
20851590
12
Duodecimal
6b96a86
16
Hexadecimal
13e2b86
20
Vigesimal
6a68ja
36
Base36
cex6u
md5
3f1b813983231b1835a9b5b6c57fd66d
sha1
b42f1e029235ee15bd5e0d535b86234666d3f2af
sha256
fa1ea2919af9d63817355833cf672a0649408a6ebe32a6871b4ca3aff7d9738c
sha512
75673fbb698c9076c4f8254d84cb69c7bf93abc89f1b45a1d904f13c78a6efe6ed1eb8d83b483852f8195d088868aed520c220781191686df107a7079ba75766
ripemd-160
920e97feebeb1e9ed160fbe232819bf55de77fcb
Diameter
41703180
Circumference
131014403.91933
Area
1.3659293173102E+15
Volume
3.7975730791375E+22
Surface area
5.4637172692406E+15
Circumference
131014403.91933
Perimeter
83406360
Area
434788805528100
Diagonal
29488601.375043
Surface area
2608732833168600
Volume
9.0660379094617E+21
Space diagonal
36116013.298595
Perimeter
62554770
Area
1.8826907543421E+14
Altitude
18058006.649298
Surface area
1.8826907543421E+14
Volume
1.0684428140458E+21
Height
9829533.7916811