87291284 is an even 8-digits composite number following 87291283
and preceding 87291285 . In scientific notation, it is written as 8.7291284 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors.
There are 43536000 positive integers (up to 87291284) that are relatively prime to 87291284.
87291284 has 12 divisors, whose sum is 153143508
The reverse of 87291284 is 48219278
Previous prime number is 401
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighty-seven million two hundred ninety-one thousand two hundred eighty-four
Scientific notation
8.7291284 × 10^7
Engineering notation
8.7291284 × 10^6
Prime Factorization
2 × 2 × 401 × 54421
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
43645642
Product of the distinct prime numbers
The prime factorization of 87291284 is 2 × 2 × 401 × 54421.
Since it has a total of 4 prime factors.
4 , 8 , 21 , 72 , 716 , 387 , 9805 , 5503 , 85630 , 5378 , 181084 , 312146 , 6761790 , 1739424 , 95981468 , 86039694 , 667352291 , 729656908 , 1007845975 , 466440290
n×2
174582568
n×3
261873852
n×4
349165136
n×5
436456420
n÷2
43645642
n÷3
29097094.666667
n÷3
21822821
n÷5
17458256.8
n2
7619768262368656
n3
6.6513935540461E+23
n4
5.8060868372201E+31
n5
5.0682077503644E+39
2 √n
9342.9804666391
3 √n
443.59872979217
4 √n
96.659094071066
5 √n
38.7430829457
1 , 2 , 4 , 401 , 802 , 1604 , 54421 , 108842 , 217684 , 21822821 , 43645642 , 87291284
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87291283
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87291284 can be divided by 12 positive divisors.
The sum of these divisors (counting 87291284) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101001100111111010110010100
3
Ternary
20002020212010112
4
Quaternary
11030333112110
5
Quinary
134321310114
6
Senary
12354542152
8
Octal
514772624
10
Decimal
87291284
12
Duodecimal
25297958
16
Hexadecimal
533f594
20
Vigesimal
175b844
36
Base36
1fyydw
md5
065650f79d2f2e4a1198e5092ebadf84
sha1
549a875ac9df5211c11d348c0d2b536528b7a5d1
sha256
19fdc438ce535cebdf2504f2e5b709e2d5801af762c22e2d3fe4f631d4208c07
sha512
929124cb6026f4d1cb86297a44eed42da59b634d20a0aaf0745895c8190a3c2fb89c009d3bcea0c9e4ed04df6afd0363a45493b4bac45beaaae91cfd602165cd
ripemd-160
444f62343670e6c6bbca0c8413bbac06791142b3
Diameter
174582568
Circumference
548467313.07364
Area
2.3938207995114E+16
Volume
2.7861292167368E+24
Surface area
9.5752831980456E+16
Circumference
548467313.07364
Perimeter
349165136
Area
7619768262368656
Diagonal
123448517.70976
Surface area
45718609574211936
Volume
6.6513935540461E+23
Space diagonal
151192938.94592
Perimeter
261873852
Area
3.2994564430808E+15
Altitude
75596469.472962
Surface area
3.2994564430808E+15
Volume
7.8387424773441E+22
Height
41149505.903254