42687986 is an even 8-digits composite number following 42687985
and preceding 42687987 . In scientific notation, it is written as 4.2687986 × 10^7.
The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors.
There are 18120960 positive integers (up to 42687986) that are relatively prime to 42687986.
42687986 has 16 divisors, whose sum is 64873536
The reverse of 42687986 is 68978624
Previous prime number is 157
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
forty-two million six hundred eighty-seven thousand nine hundred eighty-six
Scientific notation
4.2687986 × 10^7
Engineering notation
4.2687986 × 10^6
Prime Factorization
2 × 187 × 157 × 727
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
42687986
Product of the distinct prime numbers
The prime factorization of 42687986 is 2 × 187 × 157 × 727.
Since it has a total of 4 prime factors.
8 , 8 , 85 , 23 , 514 , 141 , 1882 , 8928 , 13384 , 94969 , 752291 , 870231 , 683070 , 2305148 , 85793168 , 9645621 , 62603464 , 987593652 , 7198574851 , 7696536374
n×2
85375972
n×3
128063958
n×4
170751944
n×5
213439930
n÷2
21343993
n÷3
14229328.666667
n÷3
10671996.5
n÷5
8537597.2
n2
1822264148736196
n3
7.7788786469553E+22
n4
3.3206466277693E+30
n5
1.4175171675716E+38
2 √n
6533.6043651265
3 √n
349.490376682
4 √n
80.830714243575
5 √n
33.578487738937
1 , 2 , 157 , 187 , 314 , 374 , 727 , 1454 , 29359 , 58718 , 114139 , 135949 , 228278 , 271898 , 21343993 , 42687986
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-42687985
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 42687986 can be divided by 16 positive divisors.
The sum of these divisors (counting 42687986) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10100010110101110111110010
3
Ternary
2222022202220112
4
Quaternary
2202311313302
5
Quinary
41412003421
6
Senary
4122541322
8
Octal
242656762
10
Decimal
42687986
12
Duodecimal
12367842
16
Hexadecimal
28b5df2
20
Vigesimal
d6fjj6
36
Base36
pey9e
md5
0342e7a45c76699cdc8956e8de26ec37
sha1
b933d676091b94375078bfaca7dd34958498b3ba
sha256
f3446aac97a94e658b0687623e5ef1e278640c2b619bcb55791a0195d90bbc72
sha512
5eb99f90cb46fadaf0bc96fc8f554c502d33746d297de6a86aa8b77150fdb94dccb2552a2e08c761d575e162a611c9e947f6b70f948982340e0c31b7ce6c1c46
ripemd-160
96671641e675bfbf95d21328392f20a0c27a4dfa
Diameter
85375972
Circumference
268216526.42829
Area
5.7248116625697E+15
Volume
3.2584090680588E+23
Surface area
2.2899246650279E+16
Circumference
268216526.42829
Perimeter
170751944
Area
1822264148736196
Diagonal
60369928.751593
Surface area
10933584892417176
Volume
7.7788786469553E+22
Space diagonal
73937760.624789
Perimeter
128063958
Area
7.8906352260559E+14
Altitude
36968880.312394
Surface area
7.8906352260559E+14
Volume
9.1674964021488E+21
Height
20123309.583864