87942387 is an odd 8-digits composite number following 87942386
and preceding 87942388 . In scientific notation, it is written as 8.7942387 × 10^7.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 54118368 positive integers (up to 87942387) that are relatively prime to 87942387.
87942387 has 8 divisors, whose sum is 126276304
The reverse of 87942387 is 78324978
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
eighty-seven million nine hundred forty-two thousand three hundred eighty-seven
Scientific notation
8.7942387 × 10^7
Engineering notation
8.7942387 × 10^6
Prime Factorization
3 × 13 × 2254933
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
87942387
Product of the distinct prime numbers
The prime factorization of 87942387 is 3 × 13 × 2254933.
Since it has a total of 3 prime factors.
4 , 10 , 28 , 97 , 914 , 691 , 1807 , 9794 , 53289 , 48917 , 668367 , 367017 , 1472160 , 8780415 , 88772836 , 25623154 , 77041552 , 662565263 , 9366098761 , 2764709294
n×2
175884774
n×3
263827161
n×4
351769548
n×5
439711935
n÷2
43971193.5
n÷3
29314129
n÷3
21985596.75
n÷5
17588477.4
n2
7733863431257769
n3
6.8013441087682E+23
n4
5.9812643573346E+31
n5
5.2600666486203E+39
2 √n
9377.7602336592
3 √n
444.69892861605
4 √n
96.838836391497
5 √n
38.800707964523
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
-87942386
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 87942387 can be divided by 8 positive divisors.
The sum of these divisors (counting 87942387) is 1, the average is 0.125.
Base
System
Value
2
Binary
101001111011110010011110011
3
Ternary
20010110221021110
4
Quaternary
11033132103303
5
Quinary
140003124022
6
Senary
12420524403
8
Octal
517362363
10
Decimal
87942387
12
Duodecimal
25550703
16
Hexadecimal
53de4f3
20
Vigesimal
179cfj7
36
Base36
1gcws3
md5
415f958d823336be0d4985c7ccb7ed94
sha1
ad3f8163f499be038afed7cbf14afe83397b5b21
sha256
557f1e73f0e69dc2b94825378144593872955856ef7725860f4b8029b55403d0
sha512
278e5e1b6542d1ace751d581f18ad62b7536fb0fbc93f80ea2fb63b40aadf9a0338908fea11a1b8b7e972d7890f343285b25e9af8c1ac2595dd629e4cc4c7d28
ripemd-160
2568920198af21af80c09c0103426a7438c05bba
Diameter
175884774
Circumference
552558313.8767
Area
2.4296648539506E+16
Volume
2.848940358219E+24
Surface area
9.7186594158025E+16
Circumference
552558313.8767
Perimeter
351769548
Area
7733863431257769
Diagonal
124369316.40286
Surface area
46403180587546614
Volume
6.8013441087682E+23
Space diagonal
152320682.42288
Perimeter
263827161
Area
3.3488611004344E+15
Altitude
76160341.211442
Surface area
3.3488611004344E+15
Volume
8.0154609008219E+22
Height
41456438.800954