87942389 is an odd 8-digits composite number following 87942388
and preceding 87942390 . In scientific notation, it is written as 8.7942389 × 10^7.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 87856224 positive integers (up to 87942389) that are relatively prime to 87942389.
87942389 has 4 divisors, whose sum is 88028556
The reverse of 87942389 is 98324978
Previous prime number is 1033
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
eighty-seven million nine hundred forty-two thousand three hundred eighty-nine
Scientific notation
8.7942389 × 10^7
Engineering notation
8.7942389 × 10^6
Prime Factorization
1033 × 85133
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
87942389
Product of the distinct prime numbers
The prime factorization of 87942389 is 1033 × 85133.
Since it has a total of 2 prime factors.
6 , 6 , 9 , 14 , 873 , 639 , 6346 , 2156 , 22134 , 50802 , 866249 , 397646 , 986141 , 9358519 , 5747576 , 65887486 , 497656896 , 948720704 , 6797746599 , 9404695906
n×2
175884778
n×3
263827167
n×4
351769556
n×5
439711945
n÷2
43971194.5
n÷3
29314129.666667
n÷3
21985597.25
n÷5
17588477.8
n2
7733863783027321
n3
6.8013445728E+23
n4
5.9812649014422E+31
n5
5.2600672467467E+39
2 √n
9377.7603402945
3 √n
444.69893198719
4 √n
96.838836942079
5 √n
38.800708141006
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87942388
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87942389 can be divided by 4 positive divisors.
The sum of these divisors (counting 87942389) is 1, the average is 0.25.
Base
System
Value
2
Binary
101001111011110010011110101
3
Ternary
20010110221021112
4
Quaternary
11033132103311
5
Quinary
140003124024
6
Senary
12420524405
8
Octal
517362365
10
Decimal
87942389
12
Duodecimal
25550705
16
Hexadecimal
53de4f5
20
Vigesimal
179cfj9
36
Base36
1gcws5
md5
5d89b450f3eac3237063fab7b8144f50
sha1
cba1a466ccf7addb4f74a7258ab3b9c445bba736
sha256
5fbb78e7009d4fee0d6182a022f5feb9f6b54958fae08266097c3eeccaa823d8
sha512
5e3fc8ca9339f9ac04d35ee80ccc5aa7d1e674d4a77176859f7dfb992728388604b7af3785b2819752bb926f83045d845682c813c025ab8111201ecfcad80cca
ripemd-160
4a4445842c93048eaeb65456c39b8d2aa634b45d
Diameter
175884778
Circumference
552558326.44307
Area
2.4296649644623E+16
Volume
2.8489405525922E+24
Surface area
9.7186598578491E+16
Circumference
552558326.44307
Perimeter
351769556
Area
7733863783027321
Diagonal
124369319.23129
Surface area
46403182698163926
Volume
6.8013445728E+23
Space diagonal
152320685.88699
Perimeter
263827167
Area
3.348861252755E+15
Altitude
76160342.943493
Surface area
3.348861252755E+15
Volume
8.0154614476887E+22
Height
41456439.743763