85190981 is an odd 8-digits composite number following 85190980
and preceding 85190982 . In scientific notation, it is written as 8.5190981 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 83583552 positive integers (up to 85190981) that are relatively prime to 85190981.
85190981 has 4 divisors, whose sum is 86798412
The reverse of 85190981 is 18909158
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighty-five million one hundred ninety thousand nine hundred eighty-one
Scientific notation
8.5190981 × 10^7
Engineering notation
8.5190981 × 10^6
Prime Factorization
53 × 1607377
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
85190981
Product of the distinct prime numbers
The prime factorization of 85190981 is 53 × 1607377.
Since it has a total of 2 prime factors.
8 , 4 , 42 , 53 , 527 , 157 , 1883 , 8714 , 9412 , 3784 , 874183 , 368010 , 9566908 , 7896680 , 32154980 , 23569870 , 149340737 , 442437058 , 2562441605 , 1159414047
n×2
170381962
n×3
255572943
n×4
340763924
n×5
425954905
n÷2
42595490.5
n÷3
28396993.666667
n÷3
21297745.25
n÷5
17038196.2
n2
7257503243742361
n3
6.1827382094509E+23
n4
5.2671353332931E+31
n5
4.48712426103E+39
2 √n
9229.8960449184
3 √n
440.01201929977
4 √n
96.07234797234
5 √n
38.554823904019
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-85190980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 85190981 can be divided by 4 positive divisors.
The sum of these divisors (counting 85190981) is 1, the average is 0.25.
Base
System
Value
2
Binary
101000100111110100101000101
3
Ternary
12221022011001112
4
Quaternary
11010332211011
5
Quinary
133302102411
6
Senary
12241534405
8
Octal
504764505
10
Decimal
85190981
12
Duodecimal
24644405
16
Hexadecimal
513e945
20
Vigesimal
16c8h91
36
Base36
1epxs5
md5
5eebe0be405d050ce37b158a9fe99937
sha1
0322b16b898337f6dfeec3355c149bacdcf02416
sha256
3b243e374d184f379f8779d230b86e66c00faec501e8dc7cdb39646ec81f4d43
sha512
b0637b40af0f0019b58d973c800debd1431ba01d23a50a7554f46ea966317e360c51ceac7e536f3cc47e98b959875c5a2d6bc39b87927e7e1c12eba67340b95b
ripemd-160
26437110cbe9df1e8b1200e20a5563dc2a95d3bb
Diameter
170381962
Circumference
535270720.12342
Area
2.2800118873945E+16
Volume
2.5898193250507E+24
Surface area
9.120047549578E+16
Circumference
535270720.12342
Perimeter
340763924
Area
7257503243742361
Diagonal
120478240.72207
Surface area
43545019462454166
Volume
6.1827382094509E+23
Space diagonal
147555107.43863
Perimeter
255572943
Area
3.1425910885644E+15
Altitude
73777553.719317
Surface area
3.1425910885644E+15
Volume
7.2864268570066E+22
Height
40159413.574023