91991311 is an odd 8-digits prime number following 91991310
and preceding 91991312 . In scientific notation, it is written as 9.1991311 × 10^7.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 91991310 positive integers (up to 91991311) that are relatively prime to 91991311.
91991311 has 2 divisors, whose sum is 91991312
The reverse of 91991311 is 11319919
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
ninety-one million nine hundred ninety-one thousand three hundred eleven
Scientific notation
9.1991311 × 10^7
Engineering notation
9.1991311 × 10^6
Prime Factorization
91991311
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
91991311
Product of the distinct prime numbers
The prime factorization of 91991311 is 91991311.
Since it has a total of 1 prime factors.
9 , 7 , 41 , 50 , 310 , 942 , 306 , 2576 , 46702 , 62907 , 309162 , 329586 , 1670900 , 48099 , 49112840 , 67911668 , 209409995 , 84686053 , 8259964953 , 4891678103
n×2
183982622
n×3
275973933
n×4
367965244
n×5
459956555
n÷2
45995655.5
n÷3
30663770.333333
n÷3
22997827.75
n÷5
18398262.2
n2
8462401299498721
n3
7.7846738974899E+23
n4
7.1612235753758E+31
n5
6.5877034506292E+39
2 √n
9591.2100904943
3 √n
451.42153105222
4 √n
97.934723619839
5 √n
39.151586176504
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
91991312
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
45995656
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
9591.2101426254
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999782588
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 91991311 can be divided by 2 positive divisors.
The sum of these divisors (counting 91991311) is 91991312, the average is 45995656.
Base
System
Value
2
Binary
101011110111010110100001111
3
Ternary
20102002122100121
4
Quaternary
11132322310033
5
Quinary
142022210221
6
Senary
13043405411
8
Octal
536726417
10
Decimal
91991311
12
Duodecimal
26983867
16
Hexadecimal
57bad0f
20
Vigesimal
18eii5b
36
Base36
1iroy7
md5
4b5a841383ca932b8c84ee3370e23226
sha1
e30bd1209756fb939e7effd015b31080294d0e5f
sha256
6b540b2d202558ec76b0656d0fa80b33ee654b351c1b77ba802cb803fa55f37f
sha512
fccb39bb1aa8c579b9a49efe727d862b2ec0780b5fb3cdad7f072170db2bb2eeac7d2b6e91f41aac54d6736b7b48a04bef00e8f6ed832a9cc567c2067c97fe07
ripemd-160
3c15a890d3cf3c29b227eb17b9c7d7e5e91ed70a
Diameter
183982622
Circumference
577998453.66339
Area
2.6585417754234E+16
Volume
3.2608365769262E+24
Surface area
1.0634167101694E+17
Circumference
577998453.66339
Perimeter
367965244
Area
8462401299498721
Diagonal
130095359.63668
Surface area
50774407796992326
Volume
7.7846738974899E+23
Space diagonal
159333624.50687
Perimeter
275973933
Area
3.6643272511922E+15
Altitude
79666812.253435
Surface area
3.6643272511922E+15
Volume
9.1743261704017E+22
Height
43365119.878894