991640169 is an odd 9-digits composite number following 991640168
and preceding 991640170 . In scientific notation, it is written as 9.91640169 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 597252960 positive integers (up to 991640169) that are relatively prime to 991640169.
991640169 has 16 divisors, whose sum is 1211831040
The reverse of 991640169 is 961046199
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
nine hundred ninety-one million six hundred forty thousand one hundred sixty-nine
Scientific notation
9.91640169 × 10^8
Engineering notation
9.91640169 × 10^6
Prime Factorization
9 × 13 × 47 × 180331
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
991640169
Product of the distinct prime numbers
The prime factorization of 991640169 is 9 × 13 × 47 × 180331.
Since it has a total of 4 prime factors.
7 , 4 , 62 , 6 , 922 , 494 , 2593 , 2026 , 86692 , 65141 , 458482 , 841983 , 4286594 , 4374170 , 72225572 , 40906057 , 890877377 , 517256526 , 8114200951 , 6933883080
n×2
1983280338
n×3
2974920507
n×4
3966560676
n×5
4958200845
n÷2
495820084.5
n÷3
330546723
n÷3
247910042.25
n÷5
198328033.8
n2
983350224774348561
n3
9.7512958308142E+26
n4
9.6697766456376E+35
n5
9.5889389470723E+44
2 √n
31490.318655104
3 √n
997.20558820298
4 √n
177.4551172976
5 √n
62.989885968217
1 , 9 , 13 , 47 , 117 , 423 , 611 , 5499 , 180331 , 1622979 , 2344303 , 8475557 , 21098727 , 76280013 , 110182241 , 991640169
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
-991640168
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 991640169 can be divided by 16 positive divisors.
The sum of these divisors (counting 991640169) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111011000110110011101001101001
3
Ternary
2120002221112120200
4
Quaternary
323012303221221
5
Quinary
4012324441134
6
Senary
242222142413
8
Octal
7306635151
10
Decimal
991640169
12
Duodecimal
238121a09
16
Hexadecimal
3b1b3a69
20
Vigesimal
f9hf089
36
Base36
geeag9
md5
9807e73f6ef63c4aa98f820a901b2b21
sha1
0fb0d7c8a36080b985f314ec05e15ada7912094d
sha256
12da4915510a75070ce112af0a718e701f34f627ac6e477f4f945e2bb66a7764
sha512
00e4e93afffa5c70d54b00e9d9fd0dbda20bdeb7a2dee361e8ef088c50d4596a6ca1566cfb0d870f3b304c03dea8f55d4491666851ce4f3dc63e8e8b854cb3a5
ripemd-160
e9687ae3d9cfaf03080221dbb5bf59d8ef34b8a7
Diameter
1983280338
Circumference
6230658939.8699
Area
3.089285842057E+18
Volume
4.0846132460089E+27
Surface area
1.2357143368228E+19
Circumference
6230658939.8699
Perimeter
3966560676
Area
983350224774348561
Diagonal
1402390975.9937
Surface area
5900101348646091366
Volume
9.7512958308142E+26
Space diagonal
1717571155.5342
Perimeter
2974920507
Area
4.2580313773586E+17
Altitude
858785577.76709
Surface area
4.2580313773586E+17
Volume
1.1492012345541E+26
Height
467463658.66458