20120689 is an odd 8-digits composite number following 20120688
and preceding 20120690 . In scientific notation, it is written as 2.0120689 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 19592160 positive integers (up to 20120689) that are relatively prime to 20120689.
20120689 has 8 divisors, whose sum is 20652192
The reverse of 20120689 is 98602102
Previous prime number is 491
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred twenty thousand six hundred eighty-nine
Scientific notation
2.0120689 × 10^7
Engineering notation
2.0120689 × 10^6
Prime Factorization
43 × 491 × 953
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20120689
Product of the distinct prime numbers
The prime factorization of 20120689 is 43 × 491 × 953.
Since it has a total of 3 prime factors.
8 , 10 , 97 , 90 , 961 , 284 , 3552 , 2763 , 5442 , 82312 , 355472 , 148735 , 3700093 , 5474055 , 11898493 , 71277087 , 614871910 , 604830434 , 6882169529 , 3746019778
n×2
40241378
n×3
60362067
n×4
80482756
n×5
100603445
n÷2
10060344.5
n÷3
6706896.3333333
n÷3
5030172.25
n÷5
4024137.8
n2
404842125834721
n3
8.1457025080193E+21
n4
1.6389714685038E+29
n5
3.2977235197637E+36
2 √n
4485.6091002226
3 √n
271.98666763515
4 √n
66.974689997212
5 √n
28.888737966481
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
-20120688
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 20120689 can be divided by 8 positive divisors.
The sum of these divisors (counting 20120689) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110000010001110001
3
Ternary
1101212020101201
4
Quaternary
1030300101301
5
Quinary
20122330224
6
Senary
1555131201
8
Octal
114602161
10
Decimal
20120689
12
Duodecimal
68a3b01
16
Hexadecimal
1330471
20
Vigesimal
65f1e9
36
Base36
bz981
md5
2753dc87b8515141ae9a7644cc2e4c87
sha1
341d17856e294297ad878e2d0293e3a36d3d0bab
sha256
37788c6921d4fdb0efe2e2809f48ad8f89ade6a9dfec6605d5b60079515873ce
sha512
78f2ad84b6349e47c117b87da2c3df767808a31091a6fa754915c0cd61bdf3d64fd0c5d4de9768aed1f263997e7e13a213c6ba831120fb0dc93cc9efcb6fc894
ripemd-160
3ade0b0f07d2953327e776e60e257bc9caf81303
Diameter
40241378
Circumference
126422017.49513
Area
1.271849048386E+15
Volume
3.4120638876695E+22
Surface area
5.0873961935441E+15
Circumference
126422017.49513
Perimeter
80482756
Area
404842125834721
Diagonal
28454951.268091
Surface area
2429052755008326
Volume
8.1457025080193E+21
Space diagonal
34850055.631292
Perimeter
60362067
Area
1.7530178274748E+14
Altitude
17425027.815646
Surface area
1.7530178274748E+14
Volume
9.5998024682478E+20
Height
9484983.7560304