91993909 is an odd 8-digits composite number following 91993908
and preceding 91993910 . In scientific notation, it is written as 9.1993909 × 10^7.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 78851916 positive integers (up to 91993909) that are relatively prime to 91993909.
91993909 has 4 divisors, whose sum is 105135904
The reverse of 91993909 is 90939919
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
ninety-one million nine hundred ninety-three thousand nine hundred nine
Scientific notation
9.1993909 × 10^7
Engineering notation
9.1993909 × 10^6
Prime Factorization
7 × 13141987
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
91993909
Product of the distinct prime numbers
The prime factorization of 91993909 is 7 × 13141987.
Since it has a total of 2 prime factors.
1 , 8 , 11 , 88 , 408 , 966 , 6693 , 4281 , 30406 , 26515 , 269088 , 252443 , 1442711 , 5760921 , 33382801 , 26883654 , 302941341 , 850590864 , 9478584735 , 5000434839
n×2
183987818
n×3
275981727
n×4
367975636
n×5
459969545
n÷2
45996954.5
n÷3
30664636.333333
n÷3
22998477.25
n÷5
18398781.8
n2
8462879293100281
n3
7.7853334756745E+23
n4
7.1620325929586E+31
n5
6.5886337461166E+39
2 √n
9591.3455260459
3 √n
451.42578066407
4 √n
97.935415075681
5 √n
39.151807316242
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
-91993908
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 91993909 can be divided by 4 positive divisors.
The sum of these divisors (counting 91993909) is 1, the average is 0.25.
Base
System
Value
2
Binary
101011110111011011100110101
3
Ternary
20102002202220211
4
Quaternary
11132323130311
5
Quinary
142022301114
6
Senary
13043425421
8
Octal
536733465
10
Decimal
91993909
12
Duodecimal
26985271
16
Hexadecimal
57bb735
20
Vigesimal
18ej4f9
36
Base36
1irqyd
md5
691763a961b7bcc7876d2d5397552dcb
sha1
289ce7b2e1616b1201aee8f1ec23d014a0903f06
sha256
b012f39dbaa39e3897f43b45a26d2a2a76da533c710be9cbf9eb730d8e0fb4a7
sha512
cabb2b9be0b8fd3d03739bb7b687a1696e3434b8c02337497d29221cc58cb6357f30b1e220922c88c59becc98a86808f2a08e06f91215f164c3d9719fdf1f0d4
ripemd-160
3b51090b909f4a16ec3e18bed8f5b151024ba18c
Diameter
183987818
Circumference
578014777.37882
Area
2.6586919415421E+16
Volume
3.2611128603901E+24
Surface area
1.0634767766168E+17
Circumference
578014777.37882
Perimeter
367975636
Area
8462879293100281
Diagonal
130099033.76352
Surface area
50777275758601686
Volume
7.7853334756745E+23
Space diagonal
159338124.37487
Perimeter
275981727
Area
3.6645342284931E+15
Altitude
79669062.187434
Surface area
3.6645342284931E+15
Volume
9.1751034907468E+22
Height
43366344.587839