86781890 is an even 8-digits composite number following 86781889
and preceding 86781891 . In scientific notation, it is written as 8.6781890 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 32042496 positive integers (up to 86781890) that are relatively prime to 86781890.
86781890 has 16 divisors, whose sum is 168223608
The reverse of 86781890 is 09818768
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
eighty-six million seven hundred eighty-one thousand eight hundred ninety
Scientific notation
8.6781890 × 10^7
Engineering notation
8.6781890 × 10^6
Prime Factorization
2 × 5 × 13 × 667553
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
86781890
Product of the distinct prime numbers
The prime factorization of 86781890 is 2 × 5 × 13 × 667553.
Since it has a total of 4 prime factors.
4 , 2 , 43 , 51 , 899 , 883 , 4757 , 9549 , 19464 , 33671 , 454489 , 806719 , 4383313 , 8483086 , 45253903 , 28824159 , 833185335 , 794239812 , 6322370311 , 5117028036
n×2
173563780
n×3
260345670
n×4
347127560
n×5
433909450
n÷2
43390945
n÷3
28927296.666667
n÷3
21695472.5
n÷5
17356378
n2
7531096431972100
n3
6.535627821388E+23
n4
5.6717413467663E+31
n5
4.9220443366352E+39
2 √n
9315.6797926936
3 √n
442.73416272028
4 √n
96.517769310597
5 √n
38.69775946745
1 , 2 , 5 , 10 , 13 , 26 , 65 , 130 , 667553 , 1335106 , 3337765 , 6675530 , 8678189 , 17356378 , 43390945 , 86781890
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
-86781889
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 86781890 can be divided by 16 positive divisors.
The sum of these divisors (counting 86781890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101001011000010111111000010
3
Ternary
20001021222101002
4
Quaternary
11023002333002
5
Quinary
134204010030
6
Senary
12340012002
8
Octal
513027702
10
Decimal
86781890
12
Duodecimal
25091002
16
Hexadecimal
52c2fc2
20
Vigesimal
1727eea
36
Base36
1fo1c2
md5
ffcbd9b5ddc974b1b7a966b857200233
sha1
7b11715ef4fdcddecbddf1fcf1d3e9b5a1bd5451
sha256
1f0be0b6d6db654c4d6043803002041df3e622d232b08296e601f51155ef095b
sha512
64e793257d223ac8e0764d2e146449a52a923757950ee90b51d607aad0b5fdb5f6c78fbba142afd453812a70c1116730781dfa5ef57407f66539a1ddb3037674
ripemd-160
7fef97f4cffaa35f2db9f7321e0df0b85f368601
Diameter
173563780
Circumference
545266696.17728
Area
2.365963722416E+16
Volume
2.7376373800359E+24
Surface area
9.4638548896639E+16
Circumference
545266696.17728
Perimeter
347127560
Area
7531096431972100
Diagonal
122728125.80637
Surface area
45186578591832600
Volume
6.535627821388E+23
Space diagonal
150310642.65685
Perimeter
260345670
Area
3.2610604142191E+15
Altitude
75155321.328427
Surface area
3.2610604142191E+15
Volume
7.7023112530248E+22
Height
40909375.26879