42720123 is an odd 8-digits composite number following 42720122
and preceding 42720124 . In scientific notation, it is written as 4.2720123 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 28464800 positive integers (up to 42720123) that are relatively prime to 42720123.
42720123 has 8 divisors, whose sum is 56990736
The reverse of 42720123 is 32102724
Previous prime number is 3221
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
forty-two million seven hundred twenty thousand one hundred twenty-three
Scientific notation
4.2720123 × 10^7
Engineering notation
4.2720123 × 10^6
Prime Factorization
3 × 3221 × 4421
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
42720123
Product of the distinct prime numbers
The prime factorization of 42720123 is 3 × 3221 × 4421.
Since it has a total of 3 prime factors.
10 , 7 , 39 , 84 , 95 , 105 , 2250 , 9522 , 85825 , 10873 , 640479 , 823870 , 1616611 , 1678719 , 65092420 , 66383974 , 758624630 , 60009468 , 1992356797 , 5520361128
n×2
85440246
n×3
128160369
n×4
170880492
n×5
213600615
n÷2
21360061.5
n÷3
14240041
n÷3
10680030.75
n÷5
8544024.6
n2
1825008909135129
n3
7.7964605074349E+22
n4
3.3306575184226E+30
n5
1.4228609885789E+38
2 √n
6536.0632646877
3 √n
349.57805751807
4 √n
80.845922993604
5 √n
33.583542027748
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
-42720122
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 42720123 can be divided by 8 positive divisors.
The sum of these divisors (counting 42720123) is 1, the average is 0.125.
Base
System
Value
2
Binary
10100010111101101101111011
3
Ternary
2222101101222210
4
Quaternary
2202331231323
5
Quinary
41414020443
6
Senary
4123350203
8
Octal
242755573
10
Decimal
42720123
12
Duodecimal
12382363
16
Hexadecimal
28bdb7b
20
Vigesimal
d70063
36
Base36
pfn23
md5
e5140ef02e6ae03fa0638fc08c56a3a2
sha1
3613633e002e5ea00c0889070be143b2869fb6a1
sha256
ec8ffbb4d4feb9111d4623b66a5e0e8f783ded48812daa5257a5b30a22abfc9e
sha512
718d750c1d8bc6926c09d3ea0ea75f50b04cba0c326c32a8d6959687dfee62295f579cce6576983b1ca5c4c24878eabdde024ea8845fb0386a3cb60297ca24a4
ripemd-160
932dc2dc5792d9b60857d49dbe353d9c11a95cf2
Diameter
85440246
Circumference
268418449.1545
Area
5.7334345816748E+15
Volume
3.2657737405547E+23
Surface area
2.2933738326699E+16
Circumference
268418449.1545
Perimeter
170880492
Area
1825008909135129
Diagonal
60415377.332847
Surface area
10950053454810774
Volume
7.7964605074349E+22
Space diagonal
73993423.541592
Perimeter
128160369
Area
7.9025203872197E+14
Altitude
36996711.770796
Surface area
7.9025203872197E+14
Volume
9.1882168234338E+21
Height
20138459.110949