42887931 is an odd 8-digits composite number following 42887930
and preceding 42887932 . In scientific notation, it is written as 4.2887931 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 28557600 positive integers (up to 42887931) that are relatively prime to 42887931.
42887931 has 8 divisors, whose sum is 57252624
The reverse of 42887931 is 13978824
Previous prime number is 877
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
forty-two million eight hundred eighty-seven thousand nine hundred thirty-one
Scientific notation
4.2887931 × 10^7
Engineering notation
4.2887931 × 10^6
Prime Factorization
3 × 877 × 16301
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
42887931
Product of the distinct prime numbers
The prime factorization of 42887931 is 3 × 877 × 16301.
Since it has a total of 3 prime factors.
10 , 3 , 57 , 66 , 878 , 31 , 2513 , 3812 , 97238 , 21632 , 561588 , 979980 , 3550737 , 9808975 , 18385140 , 2797479 , 173543255 , 692194317 , 8698222787 , 6054839893
n×2
85775862
n×3
128663793
n×4
171551724
n×5
214439655
n÷2
21443965.5
n÷3
14295977
n÷3
10721982.75
n÷5
8577586.2
n2
1839374625460761
n3
7.8886972019912E+22
n4
3.3832990127889E+30
n5
1.4510269461286E+38
2 √n
6548.8877681634
3 √n
350.03518285777
4 √n
80.925198598233
5 √n
33.609884428594
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
-42887930
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 42887931 can be divided by 8 positive divisors.
The sum of these divisors (counting 42887931) is 1, the average is 0.125.
Base
System
Value
2
Binary
10100011100110101011111011
3
Ternary
2222200221011220
4
Quaternary
2203212223323
5
Quinary
41434403211
6
Senary
4131123123
8
Octal
243465373
10
Decimal
42887931
12
Duodecimal
124434a3
16
Hexadecimal
28e6afb
20
Vigesimal
d80jgb
36
Base36
pj8jf
md5
2c60cc1f19fdb23b4b9ea308176f6270
sha1
882798d6b20c4f56ee4f19a6e5b7e20632c1cbc5
sha256
9a751b67c735537b6a3bb9941608d178dfee5906e8b5e6ea646e4ec6e7e078af
sha512
df4af351afe20aee3db07793ff6dd1ff6b47366d1461694432ea9d89f2bae5f05e895fa5c5344bf0810bad853054e00eac37793823b2f66ffe32ccd858d5bf3c
ripemd-160
9cabd406248b54dbeb161c514b6555526191bf30
Diameter
85775862
Circumference
269472817.91453
Area
5.778565810547E+15
Volume
3.3044097568227E+23
Surface area
2.3114263242188E+16
Circumference
269472817.91453
Perimeter
171551724
Area
1839374625460761
Diagonal
60652693.682322
Surface area
11036247752764566
Volume
7.8886972019912E+22
Space diagonal
74284075.523508
Perimeter
128663793
Area
7.9647257636275E+14
Altitude
37142037.761754
Surface area
7.9647257636275E+14
Volume
9.2969188104255E+21
Height
20217564.560774