87331321 is an odd 8-digits composite number following 87331320
and preceding 87331322 . In scientific notation, it is written as 8.7331321 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 66931200 positive integers (up to 87331321) that are relatively prime to 87331321.
87331321 has 8 divisors, whose sum is 89920584
The reverse of 87331321 is 12313378
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
eighty-seven million three hundred thirty-one thousand three hundred twenty-one
Scientific notation
8.7331321 × 10^7
Engineering notation
8.7331321 × 10^6
Prime Factorization
77 × 61 × 18593
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
87331321
Product of the distinct prime numbers
The prime factorization of 87331321 is 77 × 61 × 18593.
Since it has a total of 3 prime factors.
9 , 7 , 48 , 64 , 434 , 633 , 7013 , 1637 , 67644 , 72236 , 978942 , 580996 , 5327540 , 8089242 , 77582198 , 31731795 , 480219433 , 175907509 , 3653818364 , 4825873551
n×2
174662642
n×3
261993963
n×4
349325284
n×5
436656605
n÷2
43665660.5
n÷3
29110440.333333
n÷3
21832830.25
n÷5
17466264.2
n2
7626759627605041
n3
6.6605499322822E+23
n4
5.8167462417266E+31
n5
5.0798413321177E+39
2 √n
9345.1228456345
3 √n
443.66653972272
4 √n
96.670175574654
5 √n
38.746636272534
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
-87331320
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 87331321 can be divided by 8 positive divisors.
The sum of these divisors (counting 87331321) is 1, the average is 0.125.
Base
System
Value
2
Binary
101001101001001000111111001
3
Ternary
20002022220001101
4
Quaternary
11031021013321
5
Quinary
134324100241
6
Senary
12355451401
8
Octal
515110771
10
Decimal
87331321
12
Duodecimal
252b6b61
16
Hexadecimal
53491f9
20
Vigesimal
175g861
36
Base36
1fzta1
md5
7ff2af80f9dda6b928482c4de4ebf974
sha1
d51498eb323b022f64b43bb5dde49ad5da166c7c
sha256
209eaf7d84edb40ed18a8deb036c7232a049cd771635bcfda35c7cd09e8d3933
sha512
bd9b6c021593d103ef15b54145e9f2320ea0fc9e6c37a00b82439bb673f0e5101df9d587510abe88e3b575d719afae6434f6b2c4d5c4d5a9c58271e9fe2de388
ripemd-160
d63c5ee1ca2be4634d0adcb39f905af8365ed9c1
Diameter
174662642
Circumference
548718872.96378
Area
2.3960172016779E+16
Volume
2.7899646314834E+24
Surface area
9.5840688067117E+16
Circumference
548718872.96378
Perimeter
349325284
Area
7626759627605041
Diagonal
123505138.57816
Surface area
45760557765630246
Volume
6.6605499322822E+23
Space diagonal
151262285.06411
Perimeter
261993963
Area
3.3024837930318E+15
Altitude
75631142.532053
Surface area
3.3024837930318E+15
Volume
7.8495333725805E+22
Height
41168379.526053