20402908 is an even 8-digits composite number following 20402907
and preceding 20402909 . In scientific notation, it is written as 2.0402908 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors.
There are 10028432 positive integers (up to 20402908) that are relatively prime to 20402908.
20402908 has 12 divisors, whose sum is 36310680
The reverse of 20402908 is 80920402
Previous prime number is 59
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million four hundred two thousand nine hundred eight
Scientific notation
2.0402908 × 10^7
Engineering notation
2.0402908 × 10^6
Prime Factorization
2 × 2 × 59 × 86453
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10201454
Product of the distinct prime numbers
The prime factorization of 20402908 is 2 × 2 × 59 × 86453.
Since it has a total of 4 prime factors.
3 , 9 , 60 , 81 , 164 , 122 , 5266 , 6808 , 50664 , 75621 , 850346 , 435524 , 6667439 , 9044562 , 9326002 , 51906745 , 605330402 , 960362707 , 6108155931 , 1057038075
n×2
40805816
n×3
61208724
n×4
81611632
n×5
102014540
n÷2
10201454
n÷3
6800969.3333333
n÷3
5100727
n÷5
4080581.6
n2
416278654856464
n3
8.4932950974002E+21
n4
1.7328791848911E+29
n5
3.5355774584448E+36
2 √n
4516.9578257938
3 √n
273.25242433075
4 √n
67.208316641572
5 √n
28.96932754903
1 , 2 , 4 , 59 , 118 , 236 , 86453 , 172906 , 345812 , 5100727 , 10201454 , 20402908
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
-20402907
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 20402908 can be divided by 12 positive divisors.
The sum of these divisors (counting 20402908) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101110101001011011100
3
Ternary
1102101120112021
4
Quaternary
1031311023130
5
Quinary
20210343113
6
Senary
2005145524
8
Octal
115651334
10
Decimal
20402908
12
Duodecimal
69bb2a4
16
Hexadecimal
13752dc
20
Vigesimal
67a758
36
Base36
c5azg
md5
a2cc9c15ef43d58a3ad0b2f190859407
sha1
d1b968b46a364fc757ddf98cfc9f8cf5b6ac4cd7
sha256
55f4b5172c3b881343328455944e73c35be339d5b795ee2ae117575864cf8e09
sha512
a6209ae540a0311ddb8b07950ef1be2d997f24e422e657a3c9f6fb1366c3b0e611cb5ed4c577a81d917f77b556dc1e0cb5c7ce129108435e8438e0c48076796c
ripemd-160
eaa2bd12048fa74354d44077fe11d50b6e9228e4
Diameter
40805816
Circumference
128195251.76934
Area
1.3077779639433E+15
Volume
3.557663131035E+22
Surface area
5.2311118557732E+15
Circumference
128195251.76934
Perimeter
81611632
Area
416278654856464
Diagonal
28854069.205451
Surface area
2497671929138784
Volume
8.4932950974002E+21
Space diagonal
35338873.278154
Perimeter
61208724
Area
1.8025394507946E+14
Altitude
17669436.639077
Surface area
1.8025394507946E+14
Volume
1.0009444263317E+21
Height
9618023.0684835