20398891 is an odd 8-digits prime number following 20398890
and preceding 20398892 . In scientific notation, it is written as 2.0398891 × 10^7.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 20398890 positive integers (up to 20398891) that are relatively prime to 20398891.
20398891 has 2 divisors, whose sum is 20398892
The reverse of 20398891 is 19889302
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million three hundred ninety-eight thousand eight hundred ninety-one
Scientific notation
2.0398891 × 10^7
Engineering notation
2.0398891 × 10^6
Prime Factorization
20398891
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20398891
Product of the distinct prime numbers
The prime factorization of 20398891 is 20398891.
Since it has a total of 1 prime factors.
4 , 10 , 18 , 29 , 833 , 445 , 8792 , 6163 , 31642 , 34086 , 897264 , 413538 , 3185423 , 5404239 , 58287488 , 3488927 , 450160034 , 826356530 , 6751693418 , 2030924675
n×2
40797782
n×3
61196673
n×4
81595564
n×5
101994455
n÷2
10199445.5
n÷3
6799630.3333333
n÷3
5099722.75
n÷5
4079778.2
n2
416114754029881
n3
8.4882795109474E+21
n4
1.7315148852135E+29
n5
3.5320983408347E+36
2 √n
4516.5131462224
3 √n
273.23449017102
4 √n
67.205008341808
5 √n
28.96818674151
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20398892
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10199446
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4516.5132569273
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999019555
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20398891 can be divided by 2 positive divisors.
The sum of these divisors (counting 20398891) is 20398892, the average is 10199446.
Base
System
Value
2
Binary
1001101110100001100101011
3
Ternary
1102101101000111
4
Quaternary
1031310030223
5
Quinary
20210231031
6
Senary
2005115151
8
Octal
115641453
10
Decimal
20398891
12
Duodecimal
69b8ab7
16
Hexadecimal
137432b
20
Vigesimal
679h4b
36
Base36
c57vv
md5
928ca5f48fb23e52b3012c7c3a51bfde
sha1
29f21773214931c6b884fd7056aae7e50e2a730d
sha256
582d388043be49ca55a34c1ffc90b1243471fb8156fa3a8041685f0b8bd374fb
sha512
2967893b5d9482fb57f00d243859ea0181eb01936c3f1a8905fe6de0594083d88da6f3344aa600633e32c11c4835eaa07c867c08fd4144e3c25ef010a1eb5690
ripemd-160
dec7e79573f8a4a2b5410469742d84795aeddd1a
Diameter
40797782
Circumference
128170012.21396
Area
1.3072630543106E+15
Volume
3.5555622070945E+22
Surface area
5.2290522172424E+15
Circumference
128170012.21396
Perimeter
81595564
Area
416114754029881
Diagonal
28848388.30957
Surface area
2496688524179286
Volume
8.4882795109474E+21
Space diagonal
35331915.63006
Perimeter
61196673
Area
1.801829739397E+14
Altitude
17665957.81503
Surface area
1.801829739397E+14
Volume
1.0003533337996E+21
Height
9616129.4365235