42730905 is an odd 8-digits composite number following 42730904
and preceding 42730906 . In scientific notation, it is written as 4.2730905 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 18505152 positive integers (up to 42730905) that are relatively prime to 42730905.
42730905 has 32 divisors, whose sum is 82252800
The reverse of 42730905 is 50903724
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
forty-two million seven hundred thirty thousand nine hundred five
Scientific notation
4.2730905 × 10^7
Engineering notation
4.2730905 × 10^6
Prime Factorization
3 × 7 × 5 × 19 × 21419
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
42730905
Product of the distinct prime numbers
The prime factorization of 42730905 is 3 × 7 × 5 × 19 × 21419.
Since it has a total of 5 prime factors.
6 , 2 , 4 , 33 , 517 , 779 , 4463 , 2388 , 61204 , 90301 , 624440 , 752162 , 6053170 , 6318129 , 85100153 , 34772989 , 174535006 , 437392190 , 6645483789 , 5106137637
n×2
85461810
n×3
128192715
n×4
170923620
n×5
213654525
n÷2
21365452.5
n÷3
14243635
n÷3
10682726.25
n÷5
8546181
n2
1825930242119025
n3
7.8023651712615E+22
n4
3.3340212490848E+30
n5
1.4246574526263E+38
2 √n
6536.8880210694
3 √n
349.60746468656
4 √n
80.851023624128
5 √n
33.585237065939
1 , 3 , 5 , 7 , 15 , 19 , 21 , 35 , 57 , 95 , 105 , 133 , 285 , 399 , 665 , 1995 , 21419 , 64257 , 107095 , 149933 , 321285 , 406961 , 449799 , 749665 , 1220883 , 2034805 , 2248995 , 2848727 , 6104415 , 8546181 , 14243635 , 42730905
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-42730904
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 42730905 can be divided by 32 positive divisors.
The sum of these divisors (counting 42730905) is 1, the average is 0.03125.
Base
System
Value
2
Binary
10100011000000010110011001
3
Ternary
2222101221210010
4
Quaternary
2203000112121
5
Quinary
41414342110
6
Senary
4123512133
8
Octal
243002631
10
Decimal
42730905
12
Duodecimal
12388649
16
Hexadecimal
28c0599
20
Vigesimal
d71755
36
Base36
pfvdl
md5
04ff990c99dfecb78733715ca7354e63
sha1
a7f28aa351393c3f3c3652a54f935a3e7022cf57
sha256
8252e290148afc692141dd9aedf53b369336f826f9a5f382ef7557a7ad0d0324
sha512
5b4026df47e6297df32cce86166ceffdc4794182c9ac3b2cd1d25d60cd5aca32d19cc0314f6374936fa35fa3102dada635febfe14d4b6558ab86ba30c8f53b41
ripemd-160
bd2154dac94fa74667aada998a28c5ddc155ed76
Diameter
85461810
Circumference
268486194.45849
Area
5.7363290346086E+15
Volume
3.2682470803547E+23
Surface area
2.2945316138434E+16
Circumference
268486194.45849
Perimeter
170923620
Area
1825930242119025
Diagonal
60430625.383476
Surface area
10955581452714150
Volume
7.8023651712615E+22
Space diagonal
74012098.513399
Perimeter
128192715
Area
7.9065098760667E+14
Altitude
37006049.256699
Surface area
7.9065098760667E+14
Volume
9.1951755364879E+21
Height
20143541.794492