87985965 is an odd 8-digits composite number following 87985964
and preceding 87985966 . In scientific notation, it is written as 8.7985965 × 10^7.
The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors.
There are 44002304 positive integers (up to 87985965) that are relatively prime to 87985965.
87985965 has 16 divisors, whose sum is 108051840
The reverse of 87985965 is 56958978
Previous prime number is 389
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 57
Digital Root 3
Name
eighty-seven million nine hundred eighty-five thousand nine hundred sixty-five
Scientific notation
8.7985965 × 10^7
Engineering notation
8.7985965 × 10^6
Prime Factorization
51 × 5 × 389 × 887
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
87985965
Product of the distinct prime numbers
The prime factorization of 87985965 is 51 × 5 × 389 × 887.
Since it has a total of 4 prime factors.
2 , 4 , 88 , 24 , 36 , 261 , 9801 , 565 , 65292 , 88358 , 286842 , 176533 , 6741349 , 8648746 , 58851739 , 14488429 , 993747466 , 364041546 , 5261351666 , 315553434
n×2
175971930
n×3
263957895
n×4
351943860
n×5
439929825
n÷2
43992982.5
n÷3
29328655
n÷3
21996491.25
n÷5
17597193
n2
7741530036981225
n3
6.8114599088028E+23
n4
5.9931287313483E+31
n5
5.273112147969E+39
2 √n
9380.0834218039
3 √n
444.77237021983
4 √n
96.85083077498
5 √n
38.804552577483
1 , 5 , 51 , 255 , 389 , 887 , 1945 , 4435 , 19839 , 45237 , 99195 , 226185 , 345043 , 1725215 , 17597193 , 87985965
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
-87985964
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 87985965 can be divided by 16 positive divisors.
The sum of these divisors (counting 87985965) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101001111101000111100101101
3
Ternary
20010120011001110
4
Quaternary
11033220330231
5
Quinary
140011022330
6
Senary
12421502233
8
Octal
517507455
10
Decimal
87985965
12
Duodecimal
25571979
16
Hexadecimal
53e8f2d
20
Vigesimal
179i4i5
36
Base36
1gduel
md5
0ed09318ea03e8db297d74b467eebad9
sha1
b1ffacabc3fc40d3b5e134d59665edaa403e181c
sha256
fa07017b8adbee600eb27ed2cea13b269ee1f27454964f7e1c548f585feae067
sha512
08d5bef2cec2d81fdadc9d716a5aca4ba1ecc20ed4481fd25555a31d2533d4089a36c59d0ed7c6990851dfcf92c84d76919a5f39ca3100462fadb12bf39f399d
ripemd-160
d658edbe23bbab727bc2612f59a8a1b5efbe4d2c
Diameter
175971930
Circumference
552832122.52602
Area
2.4320733891725E+16
Volume
2.8531776546288E+24
Surface area
9.72829355669E+16
Circumference
552832122.52602
Perimeter
351943860
Area
7741530036981225
Diagonal
124430945.00148
Surface area
46449180221887350
Volume
6.8114599088028E+23
Space diagonal
152396161.73298
Perimeter
263957895
Area
3.352180838093E+15
Altitude
76198080.866488
Surface area
3.352180838093E+15
Volume
8.0273824854913E+22
Height
41476981.667161