42720105 is an odd 8-digits composite number following 42720104
and preceding 42720106 . In scientific notation, it is written as 4.2720105 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 22729728 positive integers (up to 42720105) that are relatively prime to 42720105.
42720105 has 16 divisors, whose sum is 68515200
The reverse of 42720105 is 50102724
Previous prime number is 449
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 five
Scientific notation
4.2720105 × 10^7
Engineering notation
4.2720105 × 10^6
Prime Factorization
3 × 5 × 449 × 6343
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
42720105
Product of the distinct prime numbers
The prime factorization of 42720105 is 3 × 5 × 449 × 6343.
Since it has a total of 4 prime factors.
9 , 4 , 14 , 17 , 484 , 796 , 5664 , 8815 , 4465 , 27588 , 736589 , 238997 , 6923682 , 7625742 , 69324141 , 24949596 , 815648946 , 387408075 , 4923546850 , 5457525493
n×2
85440210
n×3
128160315
n×4
170880420
n×5
213600525
n÷2
21360052.5
n÷3
14240035
n÷3
10680026.25
n÷5
8544021
n2
1825007371211025
n3
7.7964506523909E+22
n4
3.3306519049746E+30
n5
1.4228579909896E+38
2 √n
6536.0618877119
3 √n
349.57800842016
4 √n
80.845914477554
5 √n
33.583539197682
1 , 3 , 5 , 15 , 449 , 1347 , 2245 , 6343 , 6735 , 19029 , 31715 , 95145 , 2848007 , 8544021 , 14240035 , 42720105
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
-42720104
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 42720105 can be divided by 16 positive divisors.
The sum of these divisors (counting 42720105) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10100010111101101101101001
3
Ternary
2222101101222010
4
Quaternary
2202331231221
5
Quinary
41414020410
6
Senary
4123350133
8
Octal
242755551
10
Decimal
42720105
12
Duodecimal
12382349
16
Hexadecimal
28bdb69
20
Vigesimal
d70055
36
Base36
pfn1l
md5
670ed3bd7f5a02a1ec00015efba5162f
sha1
c79630b33d023d1b6f10b6e3841da93381eeb057
sha256
65a7c1e87aa5b6be8cd08e422413b231bde7fa612eeb03d185f666ffc6d2439a
sha512
5132b9b7a03c8f7df5fba345f5d8c4406ed64c55d866bce09f05c990a0c1eab77eebcadf14df07c537f9d2f4a7b8dd775f9ef0dcc8ac6d4926bd3bccc4edc6db
ripemd-160
7487350592797e501dd2dda117acc2149a610e8d
Diameter
85440210
Circumference
268418336.05717
Area
5.7334297501438E+15
Volume
3.2657696124835E+23
Surface area
2.2933719000575E+16
Circumference
268418336.05717
Perimeter
170880420
Area
1825007371211025
Diagonal
60415351.877003
Surface area
10950044227266150
Volume
7.7964506523909E+22
Space diagonal
73993392.364677
Perimeter
128160315
Area
7.902513727813E+14
Altitude
36996696.182339
Surface area
7.902513727813E+14
Volume
9.1882052091531E+21
Height
20138450.625668