91997943 is an odd 8-digits composite number following 91997942
and preceding 91997944 . In scientific notation, it is written as 9.1997943 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 57149280 positive integers (up to 91997943) that are relatively prime to 91997943.
91997943 has 16 divisors, whose sum is 131241600
The reverse of 91997943 is 34979919
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
ninety-one million nine hundred ninety-seven thousand nine hundred forty-three
Scientific notation
9.1997943 × 10^7
Engineering notation
9.1997943 × 10^6
Prime Factorization
3 × 19 × 61 × 26459
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
91997943
Product of the distinct prime numbers
The prime factorization of 91997943 is 3 × 19 × 61 × 26459.
Since it has a total of 4 prime factors.
6 , 5 , 78 , 7 , 779 , 963 , 3546 , 8968 , 18147 , 85098 , 307841 , 778614 , 9472114 , 2483063 , 3721519 , 14228163 , 389819447 , 38656792 , 1986361880 , 1813546663
n×2
183995886
n×3
275993829
n×4
367991772
n×5
459989715
n÷2
45998971.5
n÷3
30665981
n÷3
22999485.75
n÷5
18399588.6
n2
8463621516231249
n3
7.7863576982382E+23
n4
7.1632889170013E+31
n5
6.5900784547881E+39
2 √n
9591.5558174886
3 √n
451.43237901753
4 √n
97.93648869287
5 √n
39.15215067728
1 , 3 , 19 , 57 , 61 , 183 , 1159 , 3477 , 26459 , 79377 , 502721 , 1508163 , 1613999 , 4841997 , 30665981 , 91997943
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
-91997942
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 91997943 can be divided by 16 positive divisors.
The sum of these divisors (counting 91997943) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101011110111100011011110111
3
Ternary
20102002222110020
4
Quaternary
11132330123313
5
Quinary
142022413233
6
Senary
13043500223
8
Octal
536743367
10
Decimal
91997943
12
Duodecimal
26987673
16
Hexadecimal
57bc6f7
20
Vigesimal
18ejeh3
36
Base36
1iru2f
md5
ba383c060e157313c1405c207f309dba
sha1
9ac5fc5e4b3a98decbb0b34f845048ae0b00447a
sha256
4ce1820aa7e6a855412b050fc36234f15777529f3394304d92931b52b6a98676
sha512
18754e9ae09cf74077f47ae15e3fc71b3152df1229389aee1b3b6724813c7a9e1217ac98f21c24376bc35d25733a4a5d85e212ba98df52d63f0806bdd29e1fdd
ripemd-160
47e54ace0d5f03e369e887f6db46546a662511b5
Diameter
183995886
Circumference
578040123.74835
Area
2.6589251178157E+16
Volume
3.2615418857343E+24
Surface area
1.0635700471263E+17
Circumference
578040123.74835
Perimeter
367991772
Area
8463621516231249
Diagonal
130104738.70103
Surface area
50781729097387494
Volume
7.7863576982382E+23
Space diagonal
159345111.46783
Perimeter
275993829
Area
3.6648556205364E+15
Altitude
79672555.733913
Surface area
3.6648556205364E+15
Volume
9.1763105486138E+22
Height
43368246.233676