20456491 is an odd 8-digits composite number following 20456490
and preceding 20456492 . In scientific notation, it is written as 2.0456491 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 17354880 positive integers (up to 20456491) that are relatively prime to 20456491.
20456491 has 16 divisors, whose sum is 23829120
The reverse of 20456491 is 19465402
Previous prime number is 787
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million four hundred fifty-six thousand four hundred ninety-one
Scientific notation
2.0456491 × 10^7
Engineering notation
2.0456491 × 10^6
Prime Factorization
11 × 17 × 787 × 139
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20456491
Product of the distinct prime numbers
The prime factorization of 20456491 is 11 × 17 × 787 × 139.
Since it has a total of 4 prime factors.
4 , 1 , 74 , 68 , 205 , 825 , 4919 , 9847 , 40435 , 52427 , 682704 , 409763 , 2139873 , 1011518 , 25699457 , 23545929 , 34936908 , 518339406 , 7840178259 , 5650692351
n×2
40912982
n×3
61369473
n×4
81825964
n×5
102282455
n÷2
10228245.5
n÷3
6818830.3333333
n÷3
5114122.75
n÷5
4091298.2
n2
418468024033081
n3
8.5603873674205E+21
n4
1.7511548713815E+29
n5
3.5822483866022E+36
2 √n
4522.885251695
3 √n
273.49142434289
4 √n
67.252399598044
5 √n
28.984527690051
1 , 11 , 17 , 139 , 187 , 787 , 1529 , 2363 , 8657 , 13379 , 25993 , 109393 , 147169 , 1203323 , 1859681 , 20456491
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
-20456490
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 20456491 can be divided by 16 positive divisors.
The sum of these divisors (counting 20456491) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110000010010000101011
3
Ternary
1102111022000211
4
Quaternary
1032002100223
5
Quinary
20214101431
6
Senary
2010241551
8
Octal
116022053
10
Decimal
20456491
12
Duodecimal
6a262b7
16
Hexadecimal
138242b
20
Vigesimal
67h14b
36
Base36
c6gbv
md5
5b61fa4709695dfef1d499e3da1075df
sha1
717e8622cd7aeceaab0ae4ad041c94605aff789e
sha256
f26cf31729c77a46e6b0d990c7dbb2392bae73cea4eb5f8d032eac42db9bc03d
sha512
22dd6b830e77de1f639ba0aff9054d7f259ea3f0bd6e24ec13183c9ef26fdd47c046590e650adafb09b1eaf3c9836b5083a23620c12142fc6d9f89fa64ca2010
ripemd-160
ec0e7d54456bc3776ccdfb465af34ab1744f14d0
Diameter
40912982
Circumference
128531923.68765
Area
1.3146560700646E+15
Volume
3.5857666753828E+22
Surface area
5.2586242802583E+15
Circumference
128531923.68765
Perimeter
81825964
Area
418468024033081
Diagonal
28929847.010763
Surface area
2510808144198486
Volume
8.5603873674205E+21
Space diagonal
35431681.756575
Perimeter
61369473
Area
1.8120196974206E+14
Altitude
17715840.878288
Surface area
1.8120196974206E+14
Volume
1.0088513261811E+21
Height
9643282.3369211