20797845 is an odd 8-digits composite number following 20797844
and preceding 20797846 . In scientific notation, it is written as 2.0797845 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 11064704 positive integers (up to 20797845) that are relatively prime to 20797845.
20797845 has 16 divisors, whose sum is 33359040
The reverse of 20797845 is 54879702
Previous prime number is 467
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million seven hundred ninety-seven thousand eight hundred forty-five
Scientific notation
2.0797845 × 10^7
Engineering notation
2.0797845 × 10^6
Prime Factorization
3 × 5 × 467 × 2969
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20797845
Product of the distinct prime numbers
The prime factorization of 20797845 is 3 × 5 × 467 × 2969.
Since it has a total of 4 prime factors.
2 , 3 , 43 , 61 , 484 , 396 , 8901 , 6183 , 56848 , 31338 , 184054 , 902200 , 5478277 , 1301129 , 80264586 , 67707062 , 714745879 , 37488486 , 8987923728 , 3261913070
n×2
41595690
n×3
62393535
n×4
83191380
n×5
103989225
n÷2
10398922.5
n÷3
6932615
n÷3
5199461.25
n÷5
4159569
n2
432550356644025
n3
8.9961152721772E+21
n4
1.8709981103287E+29
n5
3.891272869391E+36
2 √n
4560.4654367729
3 √n
275.00427541562
4 √n
67.531218238477
5 √n
29.080620400549
1 , 3 , 5 , 15 , 467 , 1401 , 2335 , 2969 , 7005 , 8907 , 14845 , 44535 , 1386523 , 4159569 , 6932615 , 20797845
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
-20797844
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 20797845 can be divided by 16 positive divisors.
The sum of these divisors (counting 20797845) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010101100110010101
3
Ternary
1110010122021120
4
Quaternary
1033111212111
5
Quinary
20311012340
6
Senary
2021434153
8
Octal
117254625
10
Decimal
20797845
12
Duodecimal
6b6b959
16
Hexadecimal
13d5995
20
Vigesimal
69jec5
36
Base36
cdrpx
md5
2bc665113081d2fadabe43cc02b6028b
sha1
d023e47ef3f7ddbf48c508e7652545b99644129a
sha256
4da4f46f402beeae5c6ece148e05997234a4bacd7c2439501499fcba77757053
sha512
eb17fcc3516d94fa6c8285f4860a4069b0b1a6de2ba3b3e9cf4b5047e596ba52a6364d6476ef2d92b7ddaa481a793a33dc5d0e9b36eb4cb3014049302bf3d6fd
ripemd-160
4ee2ab7ad902bfa0eaf9bee1b8673d851f08aa56
Diameter
41595690
Circumference
130676714.125
Area
1.3588970227405E+15
Volume
3.7682839533225E+22
Surface area
5.4355880909621E+15
Circumference
130676714.125
Perimeter
83191380
Area
432550356644025
Diagonal
29412594.467133
Surface area
2595302139864150
Volume
8.9961152721772E+21
Space diagonal
36022924.227942
Perimeter
62393535
Area
1.8729979863487E+14
Altitude
18011462.113971
Surface area
1.8729979863487E+14
Volume
1.0602023522154E+21
Height
9804198.1557112