85217839 is an odd 8-digits composite number following 85217838
and preceding 85217840 . In scientific notation, it is written as 8.5217839 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 72944736 positive integers (up to 85217839) that are relatively prime to 85217839.
85217839 has 8 divisors, whose sum is 97524000
The reverse of 85217839 is 93871258
Previous prime number is 773
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
eighty-five million two hundred seventeen thousand eight hundred thirty-nine
Scientific notation
8.5217839 × 10^7
Engineering notation
8.5217839 × 10^6
Prime Factorization
7 × 773 × 15749
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
85217839
Product of the distinct prime numbers
The prime factorization of 85217839 is 7 × 773 × 15749.
Since it has a total of 3 prime factors.
7 , 1 , 42 , 97 , 657 , 552 , 9679 , 7251 , 77285 , 59271 , 76996 , 10037 , 7479147 , 1741635 , 57498810 , 32752368 , 125317568 , 585648189 , 5580974288 , 218559222
n×2
170435678
n×3
255653517
n×4
340871356
n×5
426089195
n÷2
42608919.5
n÷3
28405946.333333
n÷3
21304459.75
n÷5
17043567.8
n2
7262080083829921
n3
6.1885877138892E+23
n4
5.2737807143959E+31
n5
4.494201958407E+39
2 √n
9231.3508762261
3 √n
440.05825502787
4 √n
96.079919214298
5 √n
38.557254618839
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
-85217838
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 85217839 can be divided by 8 positive divisors.
The sum of these divisors (counting 85217839) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000101000101001000101111
3
Ternary
12221100111220021
4
Quaternary
11011011020233
5
Quinary
133303432324
6
Senary
12242303011
8
Octal
505051057
10
Decimal
85217839
12
Duodecimal
24657a67
16
Hexadecimal
514522f
20
Vigesimal
16cc4bj
36
Base36
1eqii7
md5
d5c437e4aac0a6190167c97b83ef6426
sha1
638300c7b34278d6d4c735889bdecffb6e5406ff
sha256
b9358b6664e45dedf54609199aba646f4e52a5f06f401d9e73126189add81eb2
sha512
9fed5e02c1c008c42de28058d77adc2cf8566eac6add8891ec4b2f2753510e0fbf529d14585b12a3f0499579d57b1e6c471f94b7a384322fd3b9bf775ff07bca
ripemd-160
c75da6ea4dd8c567cfb613c3558e4c52c79080d7
Diameter
170435678
Circumference
535439473.9144
Area
2.2814497441141E+16
Volume
2.5922695597401E+24
Surface area
9.1257989764563E+16
Circumference
535439473.9144
Perimeter
340871356
Area
7262080083829921
Diagonal
120516223.66993
Surface area
43572480502979526
Volume
6.1885877138892E+23
Space diagonal
147601626.85922
Perimeter
255653517
Area
3.1445729184569E+15
Altitude
73800813.429612
Surface area
3.1445729184569E+15
Volume
7.2933205640981E+22
Height
40172074.556642