91997561 is an odd 8-digits prime number following 91997560
and preceding 91997562 . In scientific notation, it is written as 9.1997561 × 10^7.
The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors.
There are 91997560 positive integers (up to 91997561) that are relatively prime to 91997561.
91997561 has 2 divisors, whose sum is 91997562
The reverse of 91997561 is 16579919
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 47 Digital Root 2
Name
ninety-one million nine hundred ninety-seven thousand five hundred sixty-one
Scientific notation
9.1997561 × 10^7
Engineering notation
9.1997561 × 10^6
Prime Factorization
91997561
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
91997561 Product of the distinct prime numbers
The prime factorization of 91997561 is 91997561.
Since it has a total of 1 prime factors.
2 , 7 , 46 , 4 , 695 , 328 , 8746 , 2290 , 68383 , 3825 , 801451 , 507449 , 2643061 , 4019766 , 97479429 , 67754719 , 479599022 , 895128989 , 1585635940 , 2118522083
n×2
183995122
n×3
275992683
n×4
367990244
n×5
459987805
n÷2
45998780.5
n÷3
30665853.666667
n÷3
22999390.25
n÷5
18399512.2
n2
8463551229948721
n3
7.7862607055383E+23
n4
7.1631699421967E+31
n5
6.589941637106E+39
2 √n9591.5359041188
3 √n451.43175419411
4 √n97.936387028105
5 √n39.152118163191
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
91997562 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
45998781 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
9591.5359562481 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999782603 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 91997561 can be divided by 2 positive divisors.
The sum of these divisors (counting 91997561) is 91997562, the average is 45998781.
Base
System
Value
2
Binary
101011110111100010101111001
3
Ternary
20102002221221002
4
Quaternary
11132330111321
5
Quinary
142022410221
6
Senary
13043454345
8
Octal
536742571
10
Decimal
91997561
12
Duodecimal
269873b5
16
Hexadecimal
57bc579
20
Vigesimal
18ejdi1
36
Base36
1irtrt
md5
c7d1d2bc3c2acf6d28868d5b388799b1
sha1
c00ef561a46649ce3c4389912cb0ed0c04ee2ce4
sha256
50413b227a3fea53c4e345f567ec5aa07a808c41e20debedacaaadca961ddd48
sha512
d8797b44e5437cf48a494cd2617fc751b5e048d797853891de18492fbf1f222e7f5db4add3d078863aadd1e12fa9e713a1646786603fd928204631940f87d651
ripemd-160
e9091f90957e88d0fde76031d5e9fa67c02e2d4c
Diameter
183995122
Circumference
578037723.57156
Area
2.6589030367288E+16
Volume
3.2615012575272E+24
Surface area
1.0635612146915E+17
Circumference
578037723.57156
Perimeter
367990244
Area
8463551229948721
Diagonal
130104198.47145
Surface area
50781307379692326
Volume
7.7862607055383E+23
Space diagonal
159344449.82442
Perimeter
275992683
Area
3.6648251856833E+15
Altitude
79672224.912209
Surface area
3.6648251856833E+15
Volume
9.1761962416208E+22
Height
43368066.157149