20120649 is an odd 8-digits composite number following 20120648
and preceding 20120650 . In scientific notation, it is written as 2.0120649 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 13328016 positive integers (up to 20120649) that are relatively prime to 20120649.
20120649 has 8 divisors, whose sum is 26999040
The reverse of 20120649 is 94602102
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred twenty thousand six hundred forty-nine
Scientific notation
2.0120649 × 10^7
Engineering notation
2.0120649 × 10^6
Prime Factorization
3 × 157 × 42719
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20120649
Product of the distinct prime numbers
The prime factorization of 20120649 is 3 × 157 × 42719.
Since it has a total of 3 prime factors.
7 , 10 , 66 , 78 , 340 , 546 , 2091 , 1610 , 55086 , 91825 , 473115 , 390927 , 2682981 , 8033707 , 11753464 , 39733279 , 147264410 , 431031928 , 2264331124 , 9551337121
n×2
40241298
n×3
60361947
n×4
80482596
n×5
100603245
n÷2
10060324.5
n÷3
6706883
n÷3
5030162.25
n÷5
4024129.8
n2
404840516181201
n3
8.1456539270608E+21
n4
1.6389584354186E+29
n5
3.2976907404647E+36
2 √n
4485.6046415171
3 √n
271.98648739822
4 √n
66.974656710708
5 √n
28.888726480289
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
-20120648
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 20120649 can be divided by 8 positive divisors.
The sum of these divisors (counting 20120649) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110000010001001001
3
Ternary
1101212020100020
4
Quaternary
1030300101021
5
Quinary
20122330044
6
Senary
1555131053
8
Octal
114602111
10
Decimal
20120649
12
Duodecimal
68a3a89
16
Hexadecimal
1330449
20
Vigesimal
65f1c9
36
Base36
bz96x
md5
287ccc21dddafcbda71ab75ab15511bd
sha1
b31134c6a222bc2e6834ede2751c579907bdc37f
sha256
f6c35341a6d8b3c6cfccc91f0ac9cf3c547c804d54b3c0249fffe66b247fdd9f
sha512
1cea68fd56866c85d89888dc770674bef7298b4016d4dc19d223aae228bfbdfc662692fa17f9a3b38dfa896f1df88e2fb7a06a4c97cabba80aa0c84afdf9bfe0
ripemd-160
9a6147446c719ec63a31c01738c3e0bd824467ab
Diameter
40241298
Circumference
126421766.16772
Area
1.2718439915104E+15
Volume
3.4120435381252E+22
Surface area
5.0873759660414E+15
Circumference
126421766.16772
Perimeter
80482596
Area
404840516181201
Diagonal
28454894.699549
Surface area
2429043097087206
Volume
8.1456539270608E+21
Space diagonal
34849986.34926
Perimeter
60361947
Area
1.7530108574706E+14
Altitude
17424993.17463
Surface area
1.7530108574706E+14
Volume
9.5997452150392E+20
Height
9484964.8998496