91997438 is an even 8-digits composite number following 91997437
and preceding 91997439 . In scientific notation, it is written as 9.1997438 × 10^7.
The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors.
There are 39962496 positive integers (up to 91997438) that are relatively prime to 91997438.
91997438 has 16 divisors, whose sum is 157353840
The reverse of 91997438 is 83479919
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
ninety-one million nine hundred ninety-seven thousand four hundred thirty-eight
Scientific notation
9.1997438 × 10^7
Engineering notation
9.1997438 × 10^6
Prime Factorization
2 × 13 × 17 × 208139
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
91997438
Product of the distinct prime numbers
The prime factorization of 91997438 is 2 × 13 × 17 × 208139.
Since it has a total of 4 prime factors.
4 , 6 , 58 , 85 , 155 , 947 , 5114 , 2368 , 99004 , 67956 , 869797 , 388120 , 8832419 , 9218420 , 27222673 , 66627958 , 945735512 , 556352797 , 174929649 , 7697284688
n×2
183994876
n×3
275992314
n×4
367989752
n×5
459987190
n÷2
45998719
n÷3
30665812.666667
n÷3
22999359.5
n÷5
18399487.6
n2
8463528598563844
n3
7.786229475076E+23
n4
7.1631316338708E+31
n5
6.5898975837287E+39
2 √n
9591.5294922134
3 √n
451.43155300714
4 √n
97.936354293048
5 √n
39.152107693972
1 , 2 , 13 , 17 , 26 , 34 , 221 , 442 , 208139 , 416278 , 2705807 , 3538363 , 5411614 , 7076726 , 45998719 , 91997438
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
-91997437
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 91997438 can be divided by 16 positive divisors.
The sum of these divisors (counting 91997438) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101011110111100010011111110
3
Ternary
20102002221202112
4
Quaternary
11132330103332
5
Quinary
142022404223
6
Senary
13043454022
8
Octal
536742376
10
Decimal
91997438
12
Duodecimal
26987312
16
Hexadecimal
57bc4fe
20
Vigesimal
18ejdbi
36
Base36
1irtoe
md5
e061de9d5ad506cc29a794a6f5e8e8fe
sha1
92082bd806931dec84b5e792db4614c05bb7723e
sha256
9fccbcd02e69d0f432156d22e7bbbe59d6efdff0ff655e210ffa6bc3817f7d31
sha512
e6a9f48e4b7b40a10280ac9e105334f35998bca19fc464ad5d8e6a55ddaf313dc7cbae43220db86ed213ec41ad128f10616ca34239171c92f2e16f2c8d13aac2
ripemd-160
a6d8e15409a268c73045acb77c0271cb4d34b9fe
Diameter
183994876
Circumference
578036950.73976
Area
2.6588959268695E+16
Volume
3.2614881757418E+24
Surface area
1.0635583707478E+17
Circumference
578036950.73976
Perimeter
367989752
Area
8463528598563844
Diagonal
130104024.52318
Surface area
50781171591383064
Volume
7.786229475076E+23
Space diagonal
159344236.78217
Perimeter
275992314
Area
3.6648153860062E+15
Altitude
79672118.391084
Surface area
3.6648153860062E+15
Volume
9.1761594361681E+22
Height
43368008.174393