91997947 is an odd 8-digits composite number following 91997946
and preceding 91997948 . In scientific notation, it is written as 9.1997947 × 10^7.
The sum of its digits is 55. It has a total of 4 prime factors and 16 positive divisors.
There are 85300992 positive integers (up to 91997947) that are relatively prime to 91997947.
91997947 has 16 divisors, whose sum is 99015840
The reverse of 91997947 is 74979919
Previous prime number is 29
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 forty-seven
Scientific notation
9.1997947 × 10^7
Engineering notation
9.1997947 × 10^6
Prime Factorization
37 × 83 × 29 × 1033
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
91997947
Product of the distinct prime numbers
The prime factorization of 91997947 is 37 × 83 × 29 × 1033.
Since it has a total of 4 prime factors.
6 , 8 , 41 , 9 , 625 , 438 , 5181 , 9827 , 47743 , 33474 , 443323 , 224387 , 9542173 , 8783981 , 83250504 , 68684653 , 623023630 , 991357616 , 7962232534 , 4380350492
n×2
183995894
n×3
275993841
n×4
367991788
n×5
459989735
n÷2
45998973.5
n÷3
30665982.333333
n÷3
22999486.75
n÷5
18399589.4
n2
8463622252214809
n3
7.7863587138728E+23
n4
7.1632901628186E+31
n5
6.590079887446E+39
2 √n
9591.5560260054
3 √n
451.43238556017
4 √n
97.936489757421
5 √n
39.152151017741
1 , 29 , 37 , 83 , 1033 , 1073 , 2407 , 3071 , 29957 , 38221 , 85739 , 89059 , 1108409 , 2486431 , 3172343 , 91997947
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
-91997946
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 91997947 can be divided by 16 positive divisors.
The sum of these divisors (counting 91997947) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101011110111100011011111011
3
Ternary
20102002222110101
4
Quaternary
11132330123323
5
Quinary
142022413242
6
Senary
13043500231
8
Octal
536743373
10
Decimal
91997947
12
Duodecimal
26987677
16
Hexadecimal
57bc6fb
20
Vigesimal
18ejeh7
36
Base36
1iru2j
md5
6f7dd155f52c4a53b8429610a503dacb
sha1
f55357e59cce05cbe33b962b99c6818666391985
sha256
88d76c00f230b640c3dcaa0ff913fb51233c708d850607099fddaf8a1c47e826
sha512
91166be98dea9806a593b23e214372f5ab22071c7ac758d6671afc5e04cb486dc8b17d27c440f2f025657d14ab81bf61c2317328aed93512d9fa1cadb8a4b370
ripemd-160
193f64597c0104584f82325a92c4797779af3098
Diameter
183995894
Circumference
578040148.88109
Area
2.6589253490317E+16
Volume
3.2615423111623E+24
Surface area
1.0635701396127E+17
Circumference
578040148.88109
Perimeter
367991788
Area
8463622252214809
Diagonal
130104744.35788
Surface area
50781733513288854
Volume
7.7863587138728E+23
Space diagonal
159345118.39603
Perimeter
275993841
Area
3.6648559392266E+15
Altitude
79672559.198014
Surface area
3.6648559392266E+15
Volume
9.1763117455507E+22
Height
43368248.119294