87081321 is an odd 8-digits composite number following 87081320
and preceding 87081322 . In scientific notation, it is written as 8.7081321 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 56476224 positive integers (up to 87081321) that are relatively prime to 87081321.
87081321 has 16 divisors, whose sum is 119286464
The reverse of 87081321 is 12318078
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighty-seven million eighty-one thousand three hundred twenty-one
Scientific notation
8.7081321 × 10^7
Engineering notation
8.7081321 × 10^6
Prime Factorization
3 × 277 × 43 × 2437
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
87081321
Product of the distinct prime numbers
The prime factorization of 87081321 is 3 × 277 × 43 × 2437.
Since it has a total of 4 prime factors.
2 , 6 , 42 , 33 , 16 , 228 , 6631 , 3199 , 325 , 62977 , 532634 , 729166 , 1945497 , 2366447 , 49824128 , 86678574 , 776471589 , 355722743 , 3971557223 , 1762905138
n×2
174162642
n×3
261243963
n×4
348325284
n×5
435406605
n÷2
43540660.5
n÷3
29027107
n÷3
21770330.25
n÷5
17416264.2
n2
7583156467105041
n3
6.603512825052E+23
n4
5.7504262004597E+31
n5
5.0075470984904E+39
2 √n
9331.7372980598
3 √n
443.24277941455
4 √n
96.600917687462
5 √n
38.724427127186
1 , 3 , 43 , 129 , 277 , 831 , 2437 , 7311 , 11911 , 35733 , 104791 , 314373 , 675049 , 2025147 , 29027107 , 87081321
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
-87081320
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 87081321 can be divided by 16 positive divisors.
The sum of these divisors (counting 87081321) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101001100001100000101101001
3
Ternary
20001212012010010
4
Quaternary
11030030011221
5
Quinary
134243100241
6
Senary
12350242133
8
Octal
514140551
10
Decimal
87081321
12
Duodecimal
251b6349
16
Hexadecimal
530c169
20
Vigesimal
1745361
36
Base36
1fugdl
md5
58e355abb535f90910bfd0aa9855ef05
sha1
30be38529698c491c6fbeaf56fefddd0bc36a607
sha256
1a0d827dbed90b0cb8dd4ca79cca00abba1c7567d4fdd88ce3cca0765042e958
sha512
41304577d252b777e7614de26c52413c0825601627b2ad98115629ab6684b422266763accc1517f6dd15b827b1836768b881c66e9459846c7a3c23b1becbd003
ripemd-160
ff6ee64d1a76419b6e3b5900ad914aabdb3fc918
Diameter
174162642
Circumference
547148076.63699
Area
2.3823188648079E+16
Volume
2.7660729838759E+24
Surface area
9.5292754592317E+16
Circumference
547148076.63699
Perimeter
348325284
Area
7583156467105041
Diagonal
123151585.18757
Surface area
45498938802630246
Volume
6.603512825052E+23
Space diagonal
150829272.36221
Perimeter
261243963
Area
3.2836030706926E+15
Altitude
75414636.181107
Surface area
3.2836030706926E+15
Volume
7.7823144970777E+22
Height
41050528.395855