20028807 is an odd 8-digits composite number following 20028806
and preceding 20028808 . In scientific notation, it is written as 2.0028807 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 13327920 positive integers (up to 20028807) that are relatively prime to 20028807.
20028807 has 8 divisors, whose sum is 22295280
The reverse of 20028807 is 70882002
Previous prime number is 643
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million twenty-eight thousand eight hundred seven
Scientific notation
2.0028807 × 10^7
Engineering notation
2.0028807 × 10^6
Prime Factorization
9 × 643 × 3461
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20028807
Product of the distinct prime numbers
The prime factorization of 20028807 is 9 × 643 × 3461.
Since it has a total of 3 prime factors.
3 , 8 , 73 , 87 , 717 , 581 , 4464 , 5857 , 57494 , 78662 , 269308 , 655314 , 9754276 , 4768039 , 16445207 , 74883815 , 157666375 , 89341362 , 1158119308 , 9157084351
n×2
40057614
n×3
60086421
n×4
80115228
n×5
100144035
n÷2
10014403.5
n÷3
6676269
n÷3
5007201.75
n÷5
4005761.4
n2
401153109843249
n3
8.0346182145002E+21
n4
1.6092381753691E+29
n5
3.22311208315E+36
2 √n
4475.3555166042
3 √n
271.57202285273
4 √n
66.898098004385
5 √n
28.862305304657
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
-20028806
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 20028807 can be divided by 8 positive divisors.
The sum of these divisors (counting 20028807) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100011001110110000111
3
Ternary
1101200120100200
4
Quaternary
1030121312013
5
Quinary
20111410212
6
Senary
1553141543
8
Octal
114316607
10
Decimal
20028807
12
Duodecimal
685a8b3
16
Hexadecimal
1319d87
20
Vigesimal
653c07
36
Base36
bxabr
md5
b127419ca3a6931ce8dd862e46905435
sha1
aa59ff159cf6451893746b309719744dce78efc6
sha256
c22f670c15f9a0f65c61fbc10cc847222b89b26d5d4227391e96291d6dfbb05e
sha512
0c63993a291ec96c5c3ada47a54bcc1519d551c8b26fc58278dc132d5b71aea771530dd5731810affef0691a7ee52ba4668c98729ed7e5bea051afcd5448c5aa
ripemd-160
9ad94ff3aaa4bf08ec5f9c542d2d2db2044bb7d2
Diameter
40057614
Circumference
125844705.86274
Area
1.2602596628483E+15
Volume
3.3655330076097E+22
Surface area
5.041038651393E+15
Circumference
125844705.86274
Perimeter
80115228
Area
401153109843249
Diagonal
28325010.497553
Surface area
2406918659059494
Volume
8.0346182145002E+21
Space diagonal
34690911.338991
Perimeter
60086421
Area
1.7370439196569E+14
Altitude
17345455.669496
Surface area
1.7370439196569E+14
Volume
9.4688883728634E+20
Height
9441670.1658511