91991369 is an odd 8-digits composite number following 91991368
and preceding 91991370 . In scientific notation, it is written as 9.1991369 × 10^7.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 82022976 positive integers (up to 91991369) that are relatively prime to 91991369.
91991369 has 8 divisors, whose sum is 102529440
The reverse of 91991369 is 96319919
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
ninety-one million nine hundred ninety-one thousand three hundred sixty-nine
Scientific notation
9.1991369 × 10^7
Engineering notation
9.1991369 × 10^6
Prime Factorization
17 × 19 × 284803
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
91991369
Product of the distinct prime numbers
The prime factorization of 91991369 is 17 × 19 × 284803.
Since it has a total of 3 prime factors.
10 , 9 , 24 , 58 , 47 , 266 , 6872 , 1933 , 85638 , 29843 , 579764 , 235039 , 4457016 , 1965138 , 80102686 , 90802124 , 682637285 , 868238360 , 4872572909 , 3694864303
n×2
183982738
n×3
275974107
n×4
367965476
n×5
459956845
n÷2
45995684.5
n÷3
30663789.666667
n÷3
22997842.25
n÷5
18398273.8
n2
8462411970494161
n3
7.7846886220775E+23
n4
7.1612416358363E+31
n5
6.5877242182038E+39
2 √n
9591.2131140956
3 √n
451.4216259251
4 √n
97.934739056658
5 √n
39.151591113473
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-91991368
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 91991369 can be divided by 8 positive divisors.
The sum of these divisors (counting 91991369) is 1, the average is 0.125.
Base
System
Value
2
Binary
101011110111010110101001001
3
Ternary
20102002122102202
4
Quaternary
11132322311021
5
Quinary
142022210434
6
Senary
13043405545
8
Octal
536726511
10
Decimal
91991369
12
Duodecimal
269838b5
16
Hexadecimal
57bad49
20
Vigesimal
18eii89
36
Base36
1irozt
md5
c6b9d1801708b0a45ba144f80e606567
sha1
4d52843512a13cb4f30e191b5d5ebaa4d4c770f6
sha256
c43c5f8aa33fde94f53a4a9b560f9cf3d00eca2ce8713de81c0372b2c774ce80
sha512
6e4bafc2218616c82d81c5f3d491219bf11ef6ce81b962b9a1d852b045b60bcdf3cca99c285b35a9cda5cb1a6e997cf19d2aeac8a79b23c846fbe357645232e8
ripemd-160
0ff580d317c99c746ebdf92f37e22f6c9131935f
Diameter
183982738
Circumference
577998818.08814
Area
2.6585451278155E+16
Volume
3.260842744747E+24
Surface area
1.0634180511262E+17
Circumference
577998818.08814
Perimeter
367965476
Area
8462411970494161
Diagonal
130095441.66107
Surface area
50774471822964966
Volume
7.7846886220775E+23
Space diagonal
159333724.96582
Perimeter
275974107
Area
3.6643318718687E+15
Altitude
79666862.482908
Surface area
3.6643318718687E+15
Volume
9.1743435234945E+22
Height
43365147.220356