20355988 is an even 8-digits composite number following 20355987
and preceding 20355989 . In scientific notation, it is written as 2.0355988 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 10168640 positive integers (up to 20355988) that are relatively prime to 20355988.
20355988 has 12 divisors, whose sum is 35655732
The reverse of 20355988 is 88955302
Previous prime number is 1721
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million three hundred fifty-five thousand nine hundred eighty-eight
Scientific notation
2.0355988 × 10^7
Engineering notation
2.0355988 × 10^6
Prime Factorization
2 × 2 × 1721 × 2957
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10177994
Product of the distinct prime numbers
The prime factorization of 20355988 is 2 × 2 × 1721 × 2957.
Since it has a total of 4 prime factors.
3 , 3 , 42 , 26 , 163 , 322 , 2624 , 3276 , 77844 , 806 , 805138 , 932760 , 7812923 , 3318859 , 36459779 , 94802167 , 665668693 , 850304660 , 8284578946 , 7872783709
n×2
40711976
n×3
61067964
n×4
81423952
n×5
101779940
n÷2
10177994
n÷3
6785329.3333333
n÷3
5088997
n÷5
4071197.6
n2
414366247456144
n3
8.4348343608223E+21
n4
1.7169938703089E+29
n5
3.4951106620081E+36
2 √n
4511.7610752344
3 √n
273.04279989289
4 √n
67.169644001099
5 √n
28.955991284416
1 , 2 , 4 , 1721 , 2957 , 3442 , 5914 , 6884 , 11828 , 5088997 , 10177994 , 20355988
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20355987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20355988 can be divided by 12 positive divisors.
The sum of these divisors (counting 20355988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101101001101110010100
3
Ternary
1102022012011111
4
Quaternary
1031221232110
5
Quinary
20202342423
6
Senary
2004144404
8
Octal
115515624
10
Decimal
20355988
12
Duodecimal
6998104
16
Hexadecimal
1369b94
20
Vigesimal
6749j8
36
Base36
c4as4
md5
5c3d8db0b9a3efbf077d04e91c9a7ea4
sha1
a2a705407dc4341684953340ce4f4bd6108475f9
sha256
2926c4a6e2e5e6f1b615d9489e39c046e5de340ad6bb1b05885c7e10b91b53f9
sha512
4b4b07044aea7aa0b7911ea45e7dca24975896fae32301d3d6d938a440cbbb78240c4fea0f9e4785273a19376c56b376fb3fbc1913b1124ae56b8743f29acafc
ripemd-160
44302356d50070f51b0c974013ad87334c00088d
Diameter
40711976
Circumference
127900444.71472
Area
1.3017699589038E+15
Volume
3.5331751549608E+22
Surface area
5.2070798356152E+15
Circumference
127900444.71472
Perimeter
81423952
Area
414366247456144
Diagonal
28787714.305104
Surface area
2486197484736864
Volume
8.4348343608223E+21
Space diagonal
35257605.454262
Perimeter
61067964
Area
1.7942584838392E+14
Altitude
17628802.727131
Surface area
1.7942584838392E+14
Volume
9.9405476245379E+20
Height
9595904.768368