91991057 is an odd 8-digits prime number following 91991056
and preceding 91991058 . In scientific notation, it is written as 9.1991057 × 10^7.
The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors.
There are 91991056 positive integers (up to 91991057) that are relatively prime to 91991057.
91991057 has 2 divisors, whose sum is 91991058
The reverse of 91991057 is 75019919
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
ninety-one million nine hundred ninety-one thousand fifty-seven
Scientific notation
9.1991057 × 10^7
Engineering notation
9.1991057 × 10^6
Prime Factorization
91991057
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
91991057
Product of the distinct prime numbers
The prime factorization of 91991057 is 91991057.
Since it has a total of 1 prime factors.
5 , 9 , 23 , 55 , 666 , 385 , 4636 , 7288 , 24438 , 13934 , 582106 , 936114 , 5968177 , 7113630 , 67443085 , 77649972 , 2145761 , 615434703 , 507578971 , 5586049113
n×2
183982114
n×3
275973171
n×4
367964228
n×5
459955285
n÷2
45995528.5
n÷3
30663685.666667
n÷3
22997764.25
n÷5
18398211.4
n2
8462354567977249
n3
7.7846094141701E+23
n4
7.1611444834165E+31
n5
6.5876125035921E+39
2 √n
9591.1968491946
3 √n
451.42111557394
4 √n
97.934656017135
5 √n
39.151564555954
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
91991058
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
45995529
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
9591.1969013257
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999782588
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 91991057 can be divided by 2 positive divisors.
The sum of these divisors (counting 91991057) is 91991058, the average is 45995529.
Base
System
Value
2
Binary
101011110111010110000010001
3
Ternary
20102002122000012
4
Quaternary
11132322300101
5
Quinary
142022203212
6
Senary
13043404305
8
Octal
536726021
10
Decimal
91991057
12
Duodecimal
26983695
16
Hexadecimal
57bac11
20
Vigesimal
18eihch
36
Base36
1iror5
md5
2d15eb4e8362e3113455bb74bed00f06
sha1
3119723966e741f7e3d10c4ed3840753185f418a
sha256
f2752039e8ff9070dadfe547b685a92db9ca2c287284cc71ffe72d4780cc09bd
sha512
1755fbe8a26c6c89a59291ea3e502316f8fa94f4a9f274e407257832757037caf51dc5f30bd8255d8b6e0a126988ba3bb3c2e5e41273fefbe6565df3e81a709d
ripemd-160
6670969e9fe316459c8a8aeb1382c8d8fa21b079
Diameter
183982114
Circumference
577996857.73432
Area
2.6585270942829E+16
Volume
3.2608095662163E+24
Surface area
1.0634108377132E+17
Circumference
577996857.73432
Perimeter
367964228
Area
8462354567977249
Diagonal
130095000.42644
Surface area
50774127407863494
Volume
7.7846094141701E+23
Space diagonal
159333184.56596
Perimeter
275973171
Area
3.6643070158498E+15
Altitude
79666592.282982
Surface area
3.6643070158498E+15
Volume
9.1742501760805E+22
Height
43365000.142145