42784938 is an even 8-digits composite number following 42784937
and preceding 42784939 . In scientific notation, it is written as 4.2784938 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors.
There are 12111120 positive integers (up to 42784938) that are relatively prime to 42784938.
42784938 has 32 divisors, whose sum is 73440000
The reverse of 42784938 is 83948724
Previous prime number is 271
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
forty-two million seven hundred eighty-four thousand nine hundred thirty-eight
Scientific notation
4.2784938 × 10^7
Engineering notation
4.2784938 × 10^6
Prime Factorization
2 × 9 × 49 × 271 × 179
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
42784938
Product of the distinct prime numbers
The prime factorization of 42784938 is 2 × 9 × 49 × 271 × 179.
Since it has a total of 5 prime factors.
4 , 10 , 24 , 66 , 560 , 938 , 5234 , 3320 , 20403 , 74797 , 943567 , 289716 , 2765709 , 727730 , 48754942 , 89003110 , 929902110 , 896228160 , 6170656637 , 4511030885
n×2
85569876
n×3
128354814
n×4
171139752
n×5
213924690
n÷2
21392469
n÷3
14261646
n÷3
10696234.5
n÷5
8556987.6
n2
1830550919663844
n3
7.8320007603661E+22
n4
3.3509166694821E+30
n5
1.4336876194696E+38
2 √n
6541.0196452847
3 √n
349.75476153946
4 √n
80.876570434735
5 √n
33.593726443514
1 , 2 , 9 , 18 , 49 , 98 , 179 , 271 , 358 , 441 , 542 , 882 , 1611 , 2439 , 3222 , 4878 , 8771 , 13279 , 17542 , 26558 , 48509 , 78939 , 97018 , 119511 , 157878 , 239022 , 436581 , 873162 , 2376941 , 4753882 , 21392469 , 42784938
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
-42784937
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 42784938 can be divided by 32 positive divisors.
The sum of these divisors (counting 42784938) is 1, the average is 0.03125.
Base
System
Value
2
Binary
10100011001101100010101010
3
Ternary
2222111200220100
4
Quaternary
2203031202222
5
Quinary
41423104223
6
Senary
4125010230
8
Octal
243154252
10
Decimal
42784938
12
Duodecimal
123b3976
16
Hexadecimal
28cd8aa
20
Vigesimal
d7826i
36
Base36
ph12i
md5
938684b9a78fc942058514086ced7e31
sha1
18f366a10352f2617e025004418eff0551bd7b4a
sha256
99d84f50d98c8629dc0aaacc65dfcb4f5335a1cc212beecd37c722ebb859f12f
sha512
f72b1b4873c513b209169d583143b092caba60c75fdb6677a772c371853765ce8e9293a005ca65d24177436e48898a942def075c9c1ad83f9850f5bd6a18cb62
ripemd-160
4161fe2de13f9b263460bfa7ee0ff6953fe056b3
Diameter
85569876
Circumference
268825693.81019
Area
5.750845321238E+15
Volume
3.2806608068901E+23
Surface area
2.3003381284952E+16
Circumference
268825693.81019
Perimeter
171139752
Area
1830550919663844
Diagonal
60507039.584892
Surface area
10983305517983064
Volume
7.8320007603661E+22
Space diagonal
74105686.414684
Perimeter
128354814
Area
7.9265179967493E+14
Altitude
37052843.207342
Surface area
7.9265179967493E+14
Volume
9.2301014131884E+21
Height
20169013.194964