20408902 is an even 8-digits composite number following 20408901
and preceding 20408903 . In scientific notation, it is written as 2.0408902 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 10064592 positive integers (up to 20408902) that are relatively prime to 20408902.
20408902 has 8 divisors, whose sum is 31032936
The reverse of 20408902 is 20980402
Previous prime number is 73
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million four hundred eight thousand nine hundred two
Scientific notation
2.0408902 × 10^7
Engineering notation
2.0408902 × 10^6
Prime Factorization
2 × 73 × 139787
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20408902
Product of the distinct prime numbers
The prime factorization of 20408902 is 2 × 73 × 139787.
Since it has a total of 3 prime factors.
2 , 3 , 55 , 4 , 737 , 712 , 6699 , 8156 , 72606 , 10227 , 118445 , 483423 , 9567722 , 5811958 , 45837630 , 5245527 , 349650304 , 40245935 , 1124911847 , 9600528210
n×2
40817804
n×3
61226706
n×4
81635608
n×5
102044510
n÷2
10204451
n÷3
6802967.3333333
n÷3
5102225.5
n÷5
4081780.4
n2
416523280845604
n3
8.5007828194964E+21
n4
1.7349164348639E+29
n5
3.5407739497326E+36
2 √n
4517.621276734
3 √n
273.27918056022
4 √n
67.213252240418
5 √n
28.971029480419
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
-20408901
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 20408902 can be divided by 8 positive divisors.
The sum of these divisors (counting 20408902) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110110101001000110
3
Ternary
1102101212202021
4
Quaternary
1031312221012
5
Quinary
20211041102
6
Senary
2005233354
8
Octal
115665106
10
Decimal
20408902
12
Duodecimal
6a0285a
16
Hexadecimal
1376a46
20
Vigesimal
67b252
36
Base36
c5fly
md5
9622af50c9075e8031338f0fe86dc305
sha1
1584405c16b32b4be2e9d078b5db3410d2599c97
sha256
d09d58ffa57404c5c0ac5fb2130f7dd2d1efc5f7b596c12d038a8451bb3481a0
sha512
dd83d0e24a43af78868686f559d589b9b013a55373879ee622249329557fa8ecafb8f99bfbcb153b0a9865a78ed849c02eb46721c133a2cf2df348853d6dfb95
ripemd-160
b2e615f2616b4d363646901b9b0916693469c61a
Diameter
40817804
Circumference
128232913.18207
Area
1.3085464791537E+15
Volume
3.5607995807323E+22
Surface area
5.2341859166147E+15
Circumference
128232913.18207
Perimeter
81635608
Area
416523280845604
Diagonal
28862546.001543
Surface area
2499139685073624
Volume
8.5007828194964E+21
Space diagonal
35349255.190694
Perimeter
61226706
Area
1.8035987123997E+14
Altitude
17674627.595347
Surface area
1.8035987123997E+14
Volume
1.0018268628433E+21
Height
9620848.6671811