91809968 is an even 8-digits composite number following 91809967
and preceding 91809969 . In scientific notation, it is written as 9.1809968 × 10^7.
The sum of its digits is 50. It has a total of 5 prime factors and 10 positive divisors.
There are 45904976 positive integers (up to 91809968) that are relatively prime to 91809968.
91809968 has 10 divisors, whose sum is 177881844
The reverse of 91809968 is 86990819
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
ninety-one million eight hundred nine thousand nine hundred sixty-eight
Scientific notation
9.1809968 × 10^7
Engineering notation
9.1809968 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5738123
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
11476246
Product of the distinct prime numbers
The prime factorization of 91809968 is 2 × 2 × 2 × 2 × 5738123.
Since it has a total of 5 prime factors.
10 , 9 , 20 , 30 , 45 , 368 , 6781 , 1187 , 11250 , 75615 , 746979 , 355656 , 7218444 , 3912591 , 92146292 , 34073334 , 910672437 , 878519852 , 4930889811 , 9832368554
n×2
183619936
n×3
275429904
n×4
367239872
n×5
459049840
n÷2
45904984
n÷3
30603322.666667
n÷3
22952492
n÷5
18361993.6
n2
8429070224161024
n3
7.7387266754998E+23
n4
7.1049224843838E+31
n5
6.5230270593376E+39
2 √n
9581.7518231271
3 √n
451.12470596961
4 √n
97.886423078623
5 √n
39.136138041135
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-91809967
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 91809968 can be divided by 10 positive divisors.
The sum of these divisors (counting 91809968) is 1, the average is 0.1.
Base
System
Value
2
Binary
101011110001110100010110000
3
Ternary
20101202102121012
4
Quaternary
11132032202300
5
Quinary
142000404333
6
Senary
13035450052
8
Octal
536164260
10
Decimal
91809968
12
Duodecimal
268b6928
16
Hexadecimal
578e8b0
20
Vigesimal
18dg4i8
36
Base36
1int0w
md5
9457240ad463f33a7a8cce5029796143
sha1
75a0e8ae6ff314608324ceac4410e3cc5366b1b6
sha256
14193a70ddd84669cfa162872fa09d5edb038faebdc93f2446cadb5ec71170e4
sha512
7b2c4d8695cddfa1a5bca73d4b4a3a6fe5271e82025756fc5d81eba309c8709b2ebce75bc04d4a0df81fa64ba3e2552903750a71b48313ace30baa0f65d270ae
ripemd-160
7f36244d884c1f7af8708337ca22c40262c0ae8a
Diameter
183619936
Circumference
576859041.99023
Area
2.6480705092817E+16
Volume
3.2415902495853E+24
Surface area
1.0592282037127E+17
Circumference
576859041.99023
Perimeter
367239872
Area
8429070224161024
Diagonal
129838901.90664
Surface area
50574421344966144
Volume
7.7387266754998E+23
Space diagonal
159019529.21727
Perimeter
275429904
Area
3.6498944722032E+15
Altitude
79509764.608636
Surface area
3.6498944722032E+15
Volume
9.1201768499919E+22
Height
43279633.96888