87942388 is an even 8-digits composite number following 87942387
and preceding 87942389 . In scientific notation, it is written as 8.7942388 × 10^7.
The sum of its digits is 49. It has a total of 3 prime factors and 6 positive divisors.
There are 43971192 positive integers (up to 87942388) that are relatively prime to 87942388.
87942388 has 6 divisors, whose sum is 153899186
The reverse of 87942388 is 88324978
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
eighty-seven million nine hundred forty-two thousand three hundred eighty-eight
Scientific notation
8.7942388 × 10^7
Engineering notation
8.7942388 × 10^6
Prime Factorization
2 × 2 × 21985597
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
43971194
Product of the distinct prime numbers
The prime factorization of 87942388 is 2 × 2 × 21985597.
Since it has a total of 3 prime factors.
3 , 1 , 38 , 56 , 86 , 992 , 6764 , 6830 , 15073 , 87018 , 485604 , 249811 , 5763403 , 7586903 , 95984072 , 78097947 , 440803561 , 56493452 , 4950192544 , 3717416848
n×2
175884776
n×3
263827164
n×4
351769552
n×5
439711940
n÷2
43971194
n÷3
29314129.333333
n÷3
21985597
n÷5
17588477.6
n2
7733863607142544
n3
6.8013443407841E+23
n4
5.9812646293884E+31
n5
5.2600669476835E+39
2 √n
9377.7602869768
3 √n
444.69893030162
4 √n
96.838836666788
5 √n
38.800708052765
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87942387
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87942388 can be divided by 6 positive divisors.
The sum of these divisors (counting 87942388) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
101001111011110010011110100
3
Ternary
20010110221021111
4
Quaternary
11033132103310
5
Quinary
140003124023
6
Senary
12420524404
8
Octal
517362364
10
Decimal
87942388
12
Duodecimal
25550704
16
Hexadecimal
53de4f4
20
Vigesimal
179cfj8
36
Base36
1gcws4
md5
b5e3b18450cac02693f5b39fa5c58b12
sha1
3bd996be8c30247836d32fc551a47c4232a687cb
sha256
34c7872190231b0f395fc3a082c2405e7cfdc7cd029563df25e629d6be2688a9
sha512
f89756a0a39594b066df829c6d4a52cf86ea33e3b6cf27ddf8a10af4eadb90e985a7e0df4c9f11fcff59a3b617e6a7ed6aab397c251024926c4dc1deefc51554
ripemd-160
6a7823167cce26e2adf430f013a144b28054ef2b
Diameter
175884776
Circumference
552558320.15989
Area
2.4296649092064E+16
Volume
2.8489404554056E+24
Surface area
9.7186596368258E+16
Circumference
552558320.15989
Perimeter
351769552
Area
7733863607142544
Diagonal
124369317.81708
Surface area
46403181642855264
Volume
6.8013443407841E+23
Space diagonal
152320684.15494
Perimeter
263827164
Area
3.3488611765947E+15
Altitude
76160342.077468
Surface area
3.3488611765947E+15
Volume
8.0154611742553E+22
Height
41456439.272359