991640169 (number)

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.

Interesting facts

Basic properties

Name

Name nine hundred ninety-one million six hundred forty thousand one hundred sixty-nine

Notation

Scientific notation 9.91640169 × 10^8
Engineering notation 9.91640169 × 10^6

Prime Factorization of 991640169

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.

Most popular turbo-numbers

Basic calculations (n = 991640169)

Multiplication

n×y
n×2 1983280338
n×3 2974920507
n×4 3966560676
n×5 4958200845

Division

n÷y
n÷2 495820084.5
n÷3 330546723
n÷3 247910042.25
n÷5 198328033.8

Exponentiation

ny
n2 983350224774348561
n3 9.7512958308142E+26
n4 9.6697766456376E+35
n5 9.5889389470723E+44

Nth Root

y√n
2√n 31490.318655104
3√n 997.20558820298
4√n 177.4551172976
5√n 62.989885968217

Divisors of 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 conversion 991640169

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

Cryptographic Hash Functions

md5 9807e73f6ef63c4aa98f820a901b2b21
sha1 0fb0d7c8a36080b985f314ec05e15ada7912094d
sha256 12da4915510a75070ce112af0a718e701f34f627ac6e477f4f945e2bb66a7764
sha512 00e4e93afffa5c70d54b00e9d9fd0dbda20bdeb7a2dee361e8ef088c50d4596a6ca1566cfb0d870f3b304c03dea8f55d4491666851ce4f3dc63e8e8b854cb3a5
ripemd-160 e9687ae3d9cfaf03080221dbb5bf59d8ef34b8a7

991640169 as geometric shapes

Circle

Radius = n
Diameter 1983280338
Circumference 6230658939.8699
Area 3.089285842057E+18

Sphere

Radius = n
Volume 4.0846132460089E+27
Surface area 1.2357143368228E+19
Circumference 6230658939.8699

Square

Length = n
Perimeter 3966560676
Area 983350224774348561
Diagonal 1402390975.9937

Cube

Length = n
Surface area 5900101348646091366
Volume 9.7512958308142E+26
Space diagonal 1717571155.5342

Equilateral Triangle

Length = n
Perimeter 2974920507
Area 4.2580313773586E+17
Altitude 858785577.76709

Triangular Pyramid

Length = n
Surface area 4.2580313773586E+17
Volume 1.1492012345541E+26
Height 467463658.66458