42887987 is an odd 8-digits composite number following 42887986
and preceding 42887988 . In scientific notation, it is written as 4.2887987 × 10^7.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 42409152 positive integers (up to 42887987) that are relatively prime to 42887987.
42887987 has 8 divisors, whose sum is 43369536
The reverse of 42887987 is 78978824
Previous prime number is 853
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8
Name
forty-two million eight hundred eighty-seven thousand nine hundred eighty-seven
Scientific notation
4.2887987 × 10^7
Engineering notation
4.2887987 × 10^6
Prime Factorization
137 × 853 × 367
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
42887987
Product of the distinct prime numbers
The prime factorization of 42887987 is 137 × 853 × 367.
Since it has a total of 3 prime factors.
7 , 2 , 69 , 39 , 555 , 620 , 1906 , 7746 , 25028 , 27461 , 86511 , 104242 , 5477060 , 9233376 , 95439200 , 50607228 , 668263641 , 147848737 , 1411423038 , 1856543090
n×2
85775974
n×3
128663961
n×4
171551948
n×5
214439935
n÷2
21443993.5
n÷3
14295995.666667
n÷3
10721996.75
n÷5
8577597.4
n2
1839379428912169
n3
7.8887281035253E+22
n4
3.3833166835053E+30
n5
1.4510364193906E+38
2 √n
6548.8920436972
3 √n
350.03533520803
4 √n
80.925225014807
5 √n
33.609893205667
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
-42887986
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 42887987 can be divided by 8 positive divisors.
The sum of these divisors (counting 42887987) is 1, the average is 0.125.
Base
System
Value
2
Binary
10100011100110101100110011
3
Ternary
2222200221020222
4
Quaternary
2203212230303
5
Quinary
41434403422
6
Senary
4131123255
8
Octal
243465463
10
Decimal
42887987
12
Duodecimal
1244352b
16
Hexadecimal
28e6b33
20
Vigesimal
d80jj7
36
Base36
pj8kz
md5
f61a59de118bb200c2c8a067983ff984
sha1
54c8746317a47708f3c0004440aff9c60ab14928
sha256
ff360958a760402b530881ff28fc6190d780e3dcdc1c12add8c1ff555f144575
sha512
0c2317c2b77d14510cc503d2d8b3d7584b27c173574464fdc194b799296a1bd9645fdeb0fea759d05b93c89e81b65034cd1158094a6af37104db6b18c9a3e74b
ripemd-160
4326ffb37f99600a0f55252439124ca6d429dd22
Diameter
85775974
Circumference
269473169.77291
Area
5.7785809010347E+15
Volume
3.304422700827E+23
Surface area
2.3114323604139E+16
Circumference
269473169.77291
Perimeter
171551948
Area
1839379428912169
Diagonal
60652772.878281
Surface area
11036276573473014
Volume
7.8887281035253E+22
Space diagonal
74284172.518354
Perimeter
128663961
Area
7.9647465631823E+14
Altitude
37142086.259177
Surface area
7.9647465631823E+14
Volume
9.2969552282327E+21
Height
20217590.959427