991291241 is an odd 9-digits composite number following 991291240
and preceding 991291242 . In scientific notation, it is written as 9.91291241 × 10^8.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 970199892 positive integers (up to 991291241) that are relatively prime to 991291241.
991291241 has 4 divisors, whose sum is 1012382592
The reverse of 991291241 is 142192199
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
nine hundred ninety-one million two hundred ninety-one thousand two hundred forty-one
Scientific notation
9.91291241 × 10^8
Engineering notation
9.91291241 × 10^6
Prime Factorization
47 × 21091303
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
991291241
Product of the distinct prime numbers
The prime factorization of 991291241 is 47 × 21091303.
Since it has a total of 2 prime factors.
4 , 2 , 22 , 39 , 847 , 59 , 1826 , 9622 , 45806 , 99586 , 972841 , 536668 , 8759652 , 3063595 , 32111242 , 11201482 , 348283211 , 380776654 , 856699944 , 5499593770
n×2
1982582482
n×3
2973873723
n×4
3965164964
n×5
4956456205
n÷2
495645620.5
n÷3
330430413.66667
n÷3
247822810.25
n÷5
198258248.2
n2
982658324483320081
n3
9.7410058995605E+26
n4
9.6561738267637E+35
n5
9.5720805360443E+44
2 √n
31484.777925213
3 √n
997.08861238128
4 √n
177.43950497342
5 √n
62.985452499353
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-991291240
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 991291241 can be divided by 4 positive divisors.
The sum of these divisors (counting 991291241) is 1, the average is 0.25.
Base
System
Value
2
Binary
111011000101011110011101101001
3
Ternary
2120002021210221102
4
Quaternary
323011132131221
5
Quinary
4012232304431
6
Senary
242210451145
8
Octal
7305363551
10
Decimal
991291241
12
Duodecimal
237b93ab5
16
Hexadecimal
3b15e769
20
Vigesimal
f9fb821
36
Base36
ge6t7t
md5
de79fd518f88ce7c6cc6b00fe69043ea
sha1
1e0fa1ef05309ef7f29e45602f31a685e8256cf4
sha256
3a8dc596d30a567c42356d32f8aff59c1871aa1e15cd09f0a5cb6135f33d22d6
sha512
dd09990a8c6dd9caf0e042dcbc3a1c8bcca559cfb03a4441af568c7136718d56a8f2b1b20917a0a33148ced9dd8803b2099acee92476f78310193bbe512ab17a
ripemd-160
5ee26366ae2263697e9737c5cfb50119491f3d46
Diameter
1982582482
Circumference
6228466560.587
Area
3.0871121731857E+18
Volume
4.0803030096846E+27
Surface area
1.2348448692743E+19
Circumference
6228466560.587
Perimeter
3965164964
Area
982658324483320081
Diagonal
1401897517.2839
Surface area
5895949946899920486
Volume
9.7410058995605E+26
Space diagonal
1716966794.51
Perimeter
2973873723
Area
4.255035361214E+17
Altitude
858483397.255
Surface area
4.255035361214E+17
Volume
1.1479885545262E+26
Height
467299172.42795