87664561 is an odd 8-digits composite number following 87664560
and preceding 87664562 . In scientific notation, it is written as 8.7664561 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 86855808 positive integers (up to 87664561) that are relatively prime to 87664561.
87664561 has 8 divisors, whose sum is 88476840
The reverse of 87664561 is 16546678
Previous prime number is 1097
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
eighty-seven million six hundred sixty-four thousand five hundred sixty-one
Scientific notation
8.7664561 × 10^7
Engineering notation
8.7664561 × 10^6
Prime Factorization
157 × 1097 × 509
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
87664561
Product of the distinct prime numbers
The prime factorization of 87664561 is 157 × 1097 × 509.
Since it has a total of 3 prime factors.
1 , 4 , 66 , 21 , 403 , 421 , 8095 , 2869 , 7282 , 27223 , 70220 , 509774 , 7654241 , 1782943 , 32459274 , 11548996 , 396745608 , 314369007 , 6309951371 , 2477784524
n×2
175329122
n×3
262993683
n×4
350658244
n×5
438322805
n÷2
43832280.5
n÷3
29221520.333333
n÷3
21916140.25
n÷5
17532912.2
n2
7685075255322721
n3
6.7370874850983E+23
n4
5.9060381679974E+31
n5
5.1775024324673E+39
2 √n
9362.9354905393
3 √n
444.23013966569
4 √n
96.762262739868
5 √n
38.776161226745
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
-87664560
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 87664561 can be divided by 8 positive divisors.
The sum of these divisors (counting 87664561) is 1, the average is 0.125.
Base
System
Value
2
Binary
101001110011010011110110001
3
Ternary
20002221211011121
4
Quaternary
11032122132301
5
Quinary
134420231221
6
Senary
12410542241
8
Octal
516323661
10
Decimal
87664561
12
Duodecimal
25437981
16
Hexadecimal
539a7b1
20
Vigesimal
177i181
36
Base36
1g6yep
md5
9fe07ff690f9a27a6a2bb5b40e2d657b
sha1
d7a4bb38c9387305c23b35789d77e6b61545eda9
sha256
f61da01c5ec69d6fe2ae5998d0a05f22ee0ada91756661a916ead75eaff5b48e
sha512
2c0a575d0ce97aede4bb34bfb4ad7330cd416bbcd0b9f614cf5cf7d38f4fdbcdd940027accbc4f23994e012f9ab371567646f3d4e58f8e5dcd7492c9ad3b3376
ripemd-160
cb98020251166fa33a91de7d4c7eb721a7a6e11c
Diameter
175329122
Circumference
550812681.63555
Area
2.4143375964407E+16
Volume
2.8220246066369E+24
Surface area
9.6573503857626E+16
Circumference
550812681.63555
Perimeter
350658244
Area
7685075255322721
Diagonal
123976411.10568
Surface area
46110451531936326
Volume
6.7370874850983E+23
Space diagonal
151839473.67522
Perimeter
262993683
Area
3.3277352005523E+15
Altitude
75919736.837611
Surface area
3.3277352005523E+15
Volume
7.9397337436E+22
Height
41325470.368561