85565981 is an odd 8-digits composite number following 85565980
and preceding 85565982 . In scientific notation, it is written as 8.5565981 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 78382080 positive integers (up to 85565981) that are relatively prime to 85565981.
85565981 has 16 divisors, whose sum is 93052080
The reverse of 85565981 is 18956558
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
eighty-five million five hundred sixty-five thousand nine hundred eighty-one
Scientific notation
8.5565981 × 10^7
Engineering notation
8.5565981 × 10^6
Prime Factorization
17 × 61 × 109 × 757
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
85565981
Product of the distinct prime numbers
The prime factorization of 85565981 is 17 × 61 × 109 × 757.
Since it has a total of 4 prime factors.
7 , 8 , 59 , 66 , 783 , 473 , 17 , 1332 , 98333 , 94494 , 141736 , 194469 , 1553416 , 3359788 , 72807796 , 1013013 , 395199291 , 664247073 , 5728018492 , 5158646212
n×2
171131962
n×3
256697943
n×4
342263924
n×5
427829905
n÷2
42782990.5
n÷3
28521993.666667
n÷3
21391495.25
n÷5
17113196.2
n2
7321537104492361
n3
6.2647450477379E+23
n4
5.3604905572458E+31
n5
4.5867563317198E+39
2 √n
9250.1881602484
3 √n
440.65670017225
4 √n
96.177898501935
5 √n
38.588706995396
1 , 17 , 61 , 109 , 757 , 1037 , 1853 , 6649 , 12869 , 46177 , 82513 , 113033 , 785009 , 1402721 , 5033293 , 85565981
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
-85565980
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 85565981 can be divided by 16 positive divisors.
The sum of these divisors (counting 85565981) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101000110011010001000011101
3
Ternary
12222000012110102
4
Quaternary
11012122020131
5
Quinary
133401102411
6
Senary
12253550445
8
Octal
506321035
10
Decimal
85565981
12
Duodecimal
247a5425
16
Hexadecimal
519a21d
20
Vigesimal
16efej1
36
Base36
1exz4t
md5
4499ea5e29430e2b1db7bdfcce602098
sha1
fd28131ee2d014ee63aa5dddd40839d7f283448e
sha256
964e7c8e6065b96f975adae4239cdf3c568581c02afec2bd6381c4d432a7dcc0
sha512
acb59ed98a03403b73dfc759d8a7e2db1c4b263c03afadf1cd971e0b060ff109bc1aafed5d49762356c9407082471490f9963bbe6ea83660b90ba39c4233d185
ripemd-160
7c8f65985507942ef98e4dccd627faa3726243a1
Diameter
171131962
Circumference
537626914.61361
Area
2.3001287180458E+16
Volume
2.6241702691448E+24
Surface area
9.2005148721833E+16
Circumference
537626914.61361
Perimeter
342263924
Area
7321537104492361
Diagonal
121008570.80796
Surface area
43929222626954166
Volume
6.2647450477379E+23
Space diagonal
148204626.49147
Perimeter
256697943
Area
3.1703185636204E+15
Altitude
74102313.245737
Surface area
3.1703185636204E+15
Volume
7.3830728427672E+22
Height
40336190.26932