86821388 is an even 8-digits composite number following 86821387
and preceding 86821389 . In scientific notation, it is written as 8.6821388 × 10^7.
The sum of its digits is 44. It has a total of 4 prime factors and 12 positive divisors.
There are 42237360 positive integers (up to 86821388) that are relatively prime to 86821388.
86821388 has 12 divisors, whose sum is 156044112
The reverse of 86821388 is 88312868
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
eighty-six million eight hundred twenty-one thousand three hundred eighty-eight
Scientific notation
8.6821388 × 10^7
Engineering notation
8.6821388 × 10^6
Prime Factorization
2 × 2 × 37 × 586631
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
43410694
Product of the distinct prime numbers
The prime factorization of 86821388 is 2 × 2 × 37 × 586631.
Since it has a total of 4 prime factors.
4 , 10 , 65 , 55 , 138 , 637 , 8649 , 7092 , 93394 , 3275 , 634375 , 364772 , 6768515 , 4612090 , 39795019 , 1574375 , 660095303 , 835600088 , 2965507134 , 5066879515
n×2
173642776
n×3
260464164
n×4
347285552
n×5
434106940
n÷2
43410694
n÷3
28940462.666667
n÷3
21705347
n÷5
17364277.6
n2
7537953414246544
n3
6.5445557810422E+23
n4
5.6820741675351E+31
n5
4.9332556594434E+39
2 √n
9317.7995256391
3 √n
442.80132136208
4 √n
96.528749736227
5 √n
38.701281414043
1 , 2 , 4 , 37 , 74 , 148 , 586631 , 1173262 , 2346524 , 21705347 , 43410694 , 86821388
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
-86821387
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 86821388 can be divided by 12 positive divisors.
The sum of these divisors (counting 86821388) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101001011001100101000001100
3
Ternary
20001100222112222
4
Quaternary
11023030220030
5
Quinary
134211241023
6
Senary
12340514512
8
Octal
513145014
10
Decimal
86821388
12
Duodecimal
250aba38
16
Hexadecimal
52cca0c
20
Vigesimal
172cd98
36
Base36
1fovt8
md5
daf989b941e9945e42b4da2cc89d6fc2
sha1
d64a6e0b48cdf42d5725c819f7a980055d814592
sha256
b63b4fcd5da337d3d718189866dc637ff67f006db15a33f5679ac16095965102
sha512
7f0a089ad457a9be1686128b91e41e612c040aa4823eee13e51e9173883e2e595f720d92dd17d4e41916f7b1800b17226cef253d316df7a200de9c86aab2c4a2
ripemd-160
b4555f29244857406de2e9bab6a61d83252459b5
Diameter
173642776
Circumference
545514869.43054
Area
2.3681179069299E+16
Volume
2.7413771150308E+24
Surface area
9.4724716277196E+16
Circumference
545514869.43054
Perimeter
347285552
Area
7537953414246544
Diagonal
122783984.41366
Surface area
45227720485479264
Volume
6.5445557810422E+23
Space diagonal
150379055.19965
Perimeter
260464164
Area
3.2640295746406E+15
Altitude
75189527.599825
Surface area
3.2640295746406E+15
Volume
7.712832954381E+22
Height
40927994.804552