42393887 is an odd 8-digits composite number following 42393886
and preceding 42393888 . In scientific notation, it is written as 4.2393887 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 41660920 positive integers (up to 42393887) that are relatively prime to 42393887.
42393887 has 8 divisors, whose sum is 43130880
The reverse of 42393887 is 78839324
Previous prime number is 383
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
forty-two million three hundred ninety-three thousand eight hundred eighty-seven
Scientific notation
4.2393887 × 10^7
Engineering notation
4.2393887 × 10^6
Prime Factorization
71 × 383 × 1559
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
42393887
Product of the distinct prime numbers
The prime factorization of 42393887 is 71 × 383 × 1559.
Since it has a total of 3 prime factors.
9 , 10 , 97 , 44 , 747 , 303 , 1207 , 5856 , 5119 , 61988 , 141486 , 301300 , 2772430 , 1121513 , 59307873 , 78184975 , 915092153 , 935558429 , 5778582553 , 7126143125
n×2
84787774
n×3
127181661
n×4
169575548
n×5
211969435
n÷2
21196943.5
n÷3
14131295.666667
n÷3
10598471.75
n÷5
8478777.4
n2
1797241654968769
n3
7.6192059632439E+22
n4
3.2300775663549E+30
n5
1.3693554334928E+38
2 √n
6511.0588232637
3 √n
348.68592143279
4 √n
80.691132246757
5 √n
33.532091887206
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
-42393886
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 42393887 can be divided by 8 positive divisors.
The sum of these divisors (counting 42393887) is 1, the average is 0.125.
Base
System
Value
2
Binary
10100001101110000100011111
3
Ternary
2221202211110222
4
Quaternary
2201232010133
5
Quinary
41323101022
6
Senary
4112351555
8
Octal
241560437
10
Decimal
42393887
12
Duodecimal
122455bb
16
Hexadecimal
286e11f
20
Vigesimal
d4j4e7
36
Base36
p8nbz
md5
5504dceed478a90ac00389ea571c1d5c
sha1
42663643c686181cbbe01b8f851fe548aef9b4ae
sha256
29681891f1d688e6b6bdef55c4c3850b8d930410e1018b96fd6a72fd85dd80af
sha512
df762ef06c5cf520ca31d89b0e860a6f2804e75fc6d715f321dcc6a77d44330676609908c069ce755791b06befb85d3316882d8da3e178b7401f7a893fedb12a
ripemd-160
8664489134764eea882234c9467bb103381239d8
Diameter
84787774
Circumference
266368647.91263
Area
5.6462011799754E+15
Volume
3.1915255307086E+23
Surface area
2.2584804719902E+16
Circumference
266368647.91263
Perimeter
169575548
Area
1797241654968769
Diagonal
59954009.957112
Surface area
10783449929812614
Volume
7.6192059632439E+22
Space diagonal
73428366.214334
Perimeter
127181661
Area
7.7822846497127E+14
Altitude
36714183.107167
Surface area
7.7822846497127E+14
Volume
8.9793203397779E+21
Height
19984669.985704