20456490 is an even 8-digits composite number following 20456489
and preceding 20456491 . In scientific notation, it is written as 2.0456490 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 5455056 positive integers (up to 20456490) that are relatively prime to 20456490.
20456490 has 16 divisors, whose sum is 49095648
The reverse of 20456490 is 09465402
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million four hundred fifty-six thousand four hundred ninety
Scientific notation
2.0456490 × 10^7
Engineering notation
2.0456490 × 10^6
Prime Factorization
2 × 3 × 5 × 681883
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20456490
Product of the distinct prime numbers
The prime factorization of 20456490 is 2 × 3 × 5 × 681883.
Since it has a total of 4 prime factors.
6 , 8 , 94 , 50 , 471 , 641 , 4291 , 5165 , 37134 , 33510 , 222935 , 801902 , 2230540 , 3475138 , 13612313 , 27401566 , 372992953 , 77975890 , 1900208261 , 758187945
n×2
40912980
n×3
61369470
n×4
81825960
n×5
102282450
n÷2
10228245
n÷3
6818830
n÷3
5114122.5
n÷5
4091298
n2
418467983120100
n3
8.5603861120165E+21
n4
1.751154528966E+29
n5
3.5822475110249E+36
2 √n
4522.8851411461
3 √n
273.49141988642
4 √n
67.252398776148
5 √n
28.984527406674
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 681883 , 1363766 , 2045649 , 3409415 , 4091298 , 6818830 , 10228245 , 20456490
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
-20456489
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 20456490 can be divided by 16 positive divisors.
The sum of these divisors (counting 20456490) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110000010010000101010
3
Ternary
1102111022000210
4
Quaternary
1032002100222
5
Quinary
20214101430
6
Senary
2010241550
8
Octal
116022052
10
Decimal
20456490
12
Duodecimal
6a262b6
16
Hexadecimal
138242a
20
Vigesimal
67h14a
36
Base36
c6gbu
md5
a113fdd5942e204b7829197642fc9dca
sha1
e02e5c96e0924aad967ac73b79f118b93addb5f7
sha256
f1888143163f4c47560ac5d4765268e10ddb3e52a1a74419ade89d3260a97273
sha512
83f1bd56b6e022baf64da979b0edb052255e376034fd63a8a4e12af05dc7b55480d62ea4414a80927bc8b6ac88392504027fe4b881c6be0b6d8378e79eb5562f
ripemd-160
1aa24c5429488f099c073f44603bd10efdb3add7
Diameter
40912980
Circumference
128531917.40447
Area
1.3146559415326E+15
Volume
3.5857661495204E+22
Surface area
5.2586237661306E+15
Circumference
128531917.40447
Perimeter
81825960
Area
418467983120100
Diagonal
28929845.59655
Surface area
2510807898720600
Volume
8.5603861120165E+21
Space diagonal
35431680.024525
Perimeter
61369470
Area
1.8120195202622E+14
Altitude
17715840.012262
Surface area
1.8120195202622E+14
Volume
1.0088511782303E+21
Height
9643281.8655165