20409902 is an even 8-digits composite number following 20409901
and preceding 20409903 . In scientific notation, it is written as 2.0409902 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 10198504 positive integers (up to 20409902) that are relatively prime to 20409902.
20409902 has 8 divisors, whose sum is 30634200
The reverse of 20409902 is 20990402
Previous prime number is 2789
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million four hundred nine thousand nine hundred two
Scientific notation
2.0409902 × 10^7
Engineering notation
2.0409902 × 10^6
Prime Factorization
2 × 2789 × 3659
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20409902
Product of the distinct prime numbers
The prime factorization of 20409902 is 2 × 2789 × 3659.
Since it has a total of 3 prime factors.
7 , 10 , 78 , 77 , 945 , 980 , 658 , 3910 , 42576 , 29386 , 933106 , 206893 , 92742 , 9152689 , 53532501 , 69215231 , 582245345 , 78397947 , 6907139365 , 721854221
n×2
40819804
n×3
61229706
n×4
81639608
n×5
102049510
n÷2
10204951
n÷3
6803300.6666667
n÷3
5102475.5
n÷5
4081980.4
n2
416564099649604
n3
8.5020324505667E+21
n4
1.7352564911689E+29
n5
3.541641492962E+36
2 √n
4517.7319530933
3 √n
273.28364388571
4 √n
67.214075557827
5 √n
28.971313380667
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20409901
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20409902 can be divided by 8 positive divisors.
The sum of these divisors (counting 20409902) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110110111000101110
3
Ternary
1102101221010022
4
Quaternary
1031312320232
5
Quinary
20211104102
6
Senary
2005242142
8
Octal
115667056
10
Decimal
20409902
12
Duodecimal
6a03352
16
Hexadecimal
1376e2e
20
Vigesimal
67b4f2
36
Base36
c5gdq
md5
88c4de67332f97551dc39c53c9be23aa
sha1
c5227658fffb6992e23c4fa6500c362cf53dc0f4
sha256
476ca782f1fdd533f03c21ce58f227c4349dd77a679510af7e5788b80ed17eff
sha512
9f70d198d06e79d0ea63ab3877e674eadbf702cdfbb3eafb3693e054d27f5ee2584a2da041b7b9d6b7e67a7d72bec876741c96bff9e647e15c191549e73c5f03
ripemd-160
9f5a6912a1762ba6045026f49ffb6b5014c28301
Diameter
40819804
Circumference
128239196.36738
Area
1.3086747152084E+15
Volume
3.561323024971E+22
Surface area
5.2346988608338E+15
Circumference
128239196.36738
Perimeter
81639608
Area
416564099649604
Diagonal
28863960.215106
Surface area
2499384597897624
Volume
8.5020324505667E+21
Space diagonal
35350987.241502
Perimeter
61229706
Area
1.8037754630057E+14
Altitude
17675493.620751
Surface area
1.8037754630057E+14
Volume
1.0019741332773E+21
Height
9621320.0717019