87081661 is an odd 8-digits prime number following 87081660
and preceding 87081662 . In scientific notation, it is written as 8.7081661 × 10^7.
The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors.
There are 87081660 positive integers (up to 87081661) that are relatively prime to 87081661.
87081661 has 2 divisors, whose sum is 87081662
The reverse of 87081661 is 16618078
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty-seven million eighty-one thousand six hundred sixty-one
Scientific notation
8.7081661 × 10^7
Engineering notation
8.7081661 × 10^6
Prime Factorization
87081661
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
87081661
Product of the distinct prime numbers
The prime factorization of 87081661 is 87081661.
Since it has a total of 1 prime factors.
6 , 9 , 78 , 99 , 656 , 197 , 177 , 1010 , 9434 , 37494 , 823448 , 849974 , 8452169 , 7279475 , 61277049 , 5001161 , 852092105 , 923916601 , 3818416448 , 7724268554
n×2
174163322
n×3
261244983
n×4
348326644
n×5
435408305
n÷2
43540830.5
n÷3
29027220.333333
n÷3
21770415.25
n÷5
17416332.2
n2
7583215682518921
n3
6.60359017355E+23
n4
5.7505160087601E+31
n5
5.0076448564992E+39
2 √n
9331.755515443
3 √n
443.24335627898
4 √n
96.601011979394
5 √n
38.724457366242
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
87081662
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
43540831
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
9331.7555690234
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999770331
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87081661 can be divided by 2 positive divisors.
The sum of these divisors (counting 87081661) is 87081662, the average is 43540831.
Base
System
Value
2
Binary
101001100001100001010111101
3
Ternary
20001212012120201
4
Quaternary
11030030022331
5
Quinary
134243103121
6
Senary
12350243501
8
Octal
514141275
10
Decimal
87081661
12
Duodecimal
251b6591
16
Hexadecimal
530c2bd
20
Vigesimal
1745431
36
Base36
1fugn1
md5
c1e30f606e6b268b6cd6c021d2a74f00
sha1
b022c1556408745c0ccb6ddf6dfb3260aa9da86b
sha256
0d522e430b06c41c46be01c10ce0a4d8e7b9fce850435e1fdb388839050d500e
sha512
1fe03497625d3f6681fff45c18d6d054394d01cfc8be1a9e032cd510587c986d681d13b265f448891beafa5683b11a7fc2033d18cf93bca07ea523feb4318c20
ripemd-160
9d89d6f8c5ded6c8780235acddfcf030b94116f2
Diameter
174163322
Circumference
547150212.91999
Area
2.3823374678788E+16
Volume
2.766105383539E+24
Surface area
9.5293498715153E+16
Circumference
547150212.91999
Perimeter
348326644
Area
7583215682518921
Diagonal
123152066.02018
Surface area
45499294095113526
Volume
6.60359017355E+23
Space diagonal
150829861.25949
Perimeter
261244983
Area
3.283628711719E+15
Altitude
75414930.629745
Surface area
3.283628711719E+15
Volume
7.7824056531567E+22
Height
41050688.673392