91997965 is an odd 8-digits composite number following 91997964
and preceding 91997966 . In scientific notation, it is written as 9.1997965 × 10^7.
The sum of its digits is 55. It has a total of 4 prime factors and 16 positive divisors.
There are 68485120 positive integers (up to 91997965) that are relatively prime to 91997965.
91997965 has 16 divisors, whose sum is 118214640
The reverse of 91997965 is 56979919
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 55
Digital Root 1
Name
ninety-one million nine hundred ninety-seven thousand nine hundred sixty-five
Scientific notation
9.1997965 × 10^7
Engineering notation
9.1997965 × 10^6
Prime Factorization
5 × 17 × 89 × 12161
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
91997965
Product of the distinct prime numbers
The prime factorization of 91997965 is 5 × 17 × 89 × 12161.
Since it has a total of 4 prime factors.
8 , 6 , 33 , 93 , 804 , 486 , 9064 , 6752 , 95929 , 18238 , 629858 , 338002 , 2014723 , 6251970 , 81568526 , 83381357 , 16829682 , 511576358 , 3872517983 , 7551203015
n×2
183995930
n×3
275993895
n×4
367991860
n×5
459989825
n÷2
45998982.5
n÷3
30665988.333333
n÷3
22999491.25
n÷5
18399593
n2
8463625564141225
n3
7.7863632842297E+23
n4
7.1632957689985E+31
n5
6.5900863344097E+39
2 √n
9591.5569643307
3 √n
451.43241500207
4 √n
97.936494547899
5 √n
39.152152549816
1 , 5 , 17 , 85 , 89 , 445 , 1513 , 7565 , 12161 , 60805 , 206737 , 1033685 , 1082329 , 5411645 , 18399593 , 91997965
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-91997964
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 91997965 can be divided by 16 positive divisors.
The sum of these divisors (counting 91997965) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101011110111100011100001101
3
Ternary
20102002222111001
4
Quaternary
11132330130031
5
Quinary
142022413330
6
Senary
13043500301
8
Octal
536743415
10
Decimal
91997965
12
Duodecimal
26987691
16
Hexadecimal
57bc70d
20
Vigesimal
18ejei5
36
Base36
1iru31
md5
3a5fa726e971abbfdf82b6e3a5c2c6a7
sha1
2ec4aa67e1ac6a7cf1e89eeb13d05d54d7e4a142
sha256
a5e91fa6878ef7fd7d47c81740b7e7077131a98fd70325c369a7c0ffa674a411
sha512
bd93995640ee3aabcd9190c4adc5535f99105bb7560697b944db346e03e51793f27fc3626050ec9a863b34e45a6e6da2c500a35b178ad8715a1a9c257fa58b69
ripemd-160
198cca3c2779ff33aa347ec4ebcac2102740c8f8
Diameter
183995930
Circumference
578040261.97842
Area
2.6589263895041E+16
Volume
3.261544225589E+24
Surface area
1.0635705558016E+17
Circumference
578040261.97842
Perimeter
367991860
Area
8463625564141225
Diagonal
130104769.81373
Surface area
50781753384847350
Volume
7.7863632842297E+23
Space diagonal
159345149.57294
Perimeter
275993895
Area
3.6648573733329E+15
Altitude
79672574.786472
Surface area
3.6648573733329E+15
Volume
9.176317131768E+22
Height
43368256.604575