85456821 is an odd 8-digits composite number following 85456820
and preceding 85456822 . In scientific notation, it is written as 8.5456821 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 56330912 positive integers (up to 85456821) that are relatively prime to 85456821.
85456821 has 8 divisors, whose sum is 115223040
The reverse of 85456821 is 12865458
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighty-five million four hundred fifty-six thousand eight hundred twenty-one
Scientific notation
8.5456821 × 10^7
Engineering notation
8.5456821 × 10^6
Prime Factorization
3 × 89 × 320063
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
85456821
Product of the distinct prime numbers
The prime factorization of 85456821 is 3 × 89 × 320063.
Since it has a total of 3 prime factors.
10 , 10 , 20 , 77 , 451 , 759 , 9623 , 400 , 27975 , 52984 , 662413 , 12238 , 982995 , 5648266 , 16415451 , 37256567 , 324426113 , 792241745 , 407085147 , 4490056313
n×2
170913642
n×3
256370463
n×4
341827284
n×5
427284105
n÷2
42728410.5
n÷3
28485607
n÷3
21364205.25
n÷5
17091364.2
n2
7302868255426041
n3
6.2407990529053E+23
n4
5.3331884756109E+31
n5
4.5575733291955E+39
2 √n
9244.2858566792
3 √n
440.46923254161
4 √n
96.147209302607
5 √n
38.578856130844
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
-85456820
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 85456821 can be divided by 8 positive divisors.
The sum of these divisors (counting 85456821) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000101111111011110110101
3
Ternary
12221210122201110
4
Quaternary
11011333132311
5
Quinary
133334104241
6
Senary
12251345233
8
Octal
505773665
10
Decimal
85456821
12
Duodecimal
24752219
16
Hexadecimal
517f7b5
20
Vigesimal
16e2211
36
Base36
1evmwl
md5
4ad7f65fafee2a48a9ab96e2f7678827
sha1
f95e515d97315b2958b67ffa477ba191fcff84c2
sha256
8abb875dda91e2ff1b13306fe6a1df358436c6b5aebb9416296d08a195891461
sha512
ecfc4be69465038943cd5234613b0aa702d29e52ba05d83e7bd51a9df3d5e095a4604e0444eb3618198e87b6a20369996bef321b3f237779bf0cd09798a399d4
ripemd-160
fe72e44cce7887afc8aed103fe9688bbca262d25
Diameter
170913642
Circumference
536941042.10548
Area
2.2942637261381E+16
Volume
2.614139794285E+24
Surface area
9.1770549045522E+16
Circumference
536941042.10548
Perimeter
341827284
Area
7302868255426041
Diagonal
120854195.25549
Surface area
43817209532556246
Volume
6.2407990529053E+23
Space diagonal
148015555.82532
Perimeter
256370463
Area
3.1622347148449E+15
Altitude
74007777.912659
Surface area
3.1622347148449E+15
Volume
7.3548522172198E+22
Height
40284731.75183