20720123 is an odd 8-digits composite number following 20720122
and preceding 20720124 . In scientific notation, it is written as 2.0720123 × 10^7.
The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors.
There are 20005608 positive integers (up to 20720123) that are relatively prime to 20720123.
20720123 has 4 divisors, whose sum is 21434640
The reverse of 20720123 is 32102702
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million seven hundred twenty thousand one hundred twenty-three
Scientific notation
2.0720123 × 10^7
Engineering notation
2.0720123 × 10^6
Prime Factorization
29 × 714487
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20720123
Product of the distinct prime numbers
The prime factorization of 20720123 is 29 × 714487.
Since it has a total of 2 prime factors.
9 , 10 , 22 , 78 , 535 , 47 , 561 , 9772 , 39049 , 58203 , 594151 , 115086 , 7212209 , 3649789 , 33234815 , 53960745 , 648829371 , 989774623 , 6213783718 , 7054556352
n×2
41440246
n×3
62160369
n×4
82880492
n×5
103600615
n÷2
10360061.5
n÷3
6906707.6666667
n÷3
5180030.75
n÷5
4144024.6
n2
429323497135129
n3
8.89563566743E+21
n4
1.8431866519234E+29
n5
3.819105413981E+36
2 √n
4551.9361814507
3 √n
274.66128214562
4 √n
67.468038221448
5 √n
29.058852855433
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20720122
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20720123 can be divided by 4 positive divisors.
The sum of these divisors (counting 20720123) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111000010100111111011
3
Ternary
1102222200122222
4
Quaternary
1033002213323
5
Quinary
20301020443
6
Senary
2020034255
8
Octal
117024773
10
Decimal
20720123
12
Duodecimal
6b3298b
16
Hexadecimal
13c29fb
20
Vigesimal
69a063
36
Base36
cc3qz
md5
9c7128d3e5869fabc7846d0051472f29
sha1
a357d5b952bcc000e994a3ee7a2a5cfc52de8db3
sha256
d6630d9d38a29bf0c8c18903d12a1f8c02ad9e251894a8b7ff875e81cc511205
sha512
dac5842e32ed5d028ba24011a230bdd8c7484ac59806ed375cd5b25682827a4a1251ab6f1e7e290467fabd4fb73056a7f3644312407f20150d2719f8aa256264
ripemd-160
78dd32b6e2747f9cf06833e854f2f5445a76cfcc
Diameter
41440246
Circumference
130188372.39655
Area
1.3487595446132E+15
Volume
3.7261951549079E+22
Surface area
5.3950381784528E+15
Circumference
130188372.39655
Perimeter
82880492
Area
429323497135129
Diagonal
29302678.960639
Surface area
2575940982810774
Volume
8.89563566743E+21
Space diagonal
35888305.775076
Perimeter
62160369
Area
1.859025274803E+14
Altitude
17944152.887538
Surface area
1.859025274803E+14
Volume
1.0483607172341E+21
Height
9767559.6535462