20120751 is an odd 8-digits composite number following 20120750
and preceding 20120752 . In scientific notation, it is written as 2.0120751 × 10^7.
The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors.
There are 11098080 positive integers (up to 20120751) that are relatively prime to 20120751.
20120751 has 16 divisors, whose sum is 24675840
The reverse of 20120751 is 15702102
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million one hundred twenty thousand seven hundred fifty-one
Scientific notation
2.0120751 × 10^7
Engineering notation
2.0120751 × 10^6
Prime Factorization
27 × 7 × 29 × 3671
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20120751
Product of the distinct prime numbers
The prime factorization of 20120751 is 27 × 7 × 29 × 3671.
Since it has a total of 4 prime factors.
9 , 9 , 40 , 53 , 573 , 806 , 7460 , 8669 , 5489 , 61565 , 965858 , 275318 , 986275 , 4622848 , 47027067 , 75066469 , 879473632 , 66042783 , 964417548 , 2392257912
n×2
40241502
n×3
60362253
n×4
80483004
n×5
100603755
n÷2
10060375.5
n÷3
6706917
n÷3
5030187.75
n÷5
4024150.2
n2
404844620804001
n3
8.1457778088867E+21
n4
1.6389916699394E+29
n5
3.2977743281924E+36
2 √n
4485.6160112074
3 √n
271.98694700193
4 √n
66.974741591195
5 √n
28.888755770042
1 , 7 , 27 , 29 , 189 , 203 , 783 , 3671 , 5481 , 25697 , 99117 , 106459 , 693819 , 745213 , 2874393 , 20120751
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20120750
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20120751 can be divided by 16 positive divisors.
The sum of these divisors (counting 20120751) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110000010010101111
3
Ternary
1101212020111000
4
Quaternary
1030300102233
5
Quinary
20122331001
6
Senary
1555131343
8
Octal
114602257
10
Decimal
20120751
12
Duodecimal
68a3b53
16
Hexadecimal
13304af
20
Vigesimal
65f1hb
36
Base36
bz99r
md5
d085c6e126f98bff9ab1e958f775dbd9
sha1
8e14b37030bf0deafef5128b1fb0c4ca1d1fde8b
sha256
5379414a830715ba7bf7f7de94cf8a196e913db6c23de5bb36418106698fa793
sha512
e3038b715c271338ac715988f95f561f7658f8619d86fd480a56f1e22e17e00054ffb673fce69a24e058664096de06222ce396f44f56780120cfbf8f1ff4bbd1
ripemd-160
65cd47a4713a96d1980a836f340e6e4608f534a6
Diameter
40241502
Circumference
126422407.05262
Area
1.2718568865632E+15
Volume
3.4120954296231E+22
Surface area
5.0874275462528E+15
Circumference
126422407.05262
Perimeter
80483004
Area
404844620804001
Diagonal
28455038.949332
Surface area
2429067724824006
Volume
8.1457778088867E+21
Space diagonal
34850163.018442
Perimeter
60362253
Area
1.7530286310087E+14
Altitude
17425081.509221
Surface area
1.7530286310087E+14
Volume
9.5998912111712E+20
Height
9485012.9831107