991330668 is an even 9-digits composite number following 991330667
and preceding 991330669 . In scientific notation, it is written as 9.91330668 × 10^8.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 330048576 positive integers (up to 991330668) that are relatively prime to 991330668.
991330668 has 24 divisors, whose sum is 1929891600
The reverse of 991330668 is 866033199
Previous prime number is 859
Is Prime? no Number parity even Number length 9 Sum of Digits 45 Digital Root 9
Name
nine hundred ninety-one million three hundred thirty thousand six hundred sixty-eight
Scientific notation
9.91330668 × 10^8
Engineering notation
9.91330668 × 10^6
Prime Factorization
2 × 2 × 9 × 859 × 32057
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
495665334 Product of the distinct prime numbers
The prime factorization of 991330668 is 2 × 2 × 9 × 859 × 32057.
Since it has a total of 5 prime factors.
8 , 9 , 42 , 33 , 999 , 235 , 2610 , 915 , 66151 , 20807 , 703005 , 287200 , 218379 , 1756691 , 49685270 , 91469967 , 33402740 , 194794024 , 6371433838 , 5859587564
n×2
1982661336
n×3
2973992004
n×4
3965322672
n×5
4956653340
n÷2
495665334
n÷3
330443556
n÷3
247832667
n÷5
198266133.6
n2
982736493317326224
n3
9.7421682438824E+26
n4
9.6577101529764E+35
n5
9.5739842573004E+44
2 √n31485.404046955
3 √n997.1018313997
4 √n177.44126928918
5 √n62.985953520208
1 , 2 , 4 , 9 , 18 , 36 , 859 , 1718 , 3436 , 7731 , 15462 , 30924 , 32057 , 64114 , 128228 , 288513 , 577026 , 1154052 , 27536963 , 55073926 , 110147852 , 247832667 , 495665334 , 991330668
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-991330667 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 991330668 can be divided by 24 positive divisors.
The sum of these divisors (counting 991330668) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111011000101101000000101101100
3
Ternary
2120002100211000200
4
Quaternary
323011220011230
5
Quinary
4012240040133
6
Senary
242211353500
8
Octal
7305500554
10
Decimal
991330668
12
Duodecimal
237bb2890
16
Hexadecimal
3b16816c
20
Vigesimal
f9fg6d8
36
Base36
ge7nn0
md5
6e889e8608972a126c1dc815ad247680
sha1
6ed152636ef73f5f512956b8b43337fbcea91124
sha256
2170bbb1213b49bdf2b3943351613ba8f84bda5aa8c144565c8a57fca5d2333d
sha512
b5c909b87042f77714c70749712e679f85e0bf1d2834dd771f6eedf7ce92d7ebf0e137c5883c7be22223dfad6b7e2cf337655b8fce7c28101a0f8669b8097917
ripemd-160
e3a740621ee17f5a0df73a9edf13b481ce016fc4
Diameter
1982661336
Circumference
6228714287.7341
Area
3.0873577478203E+18
Volume
4.0807898913356E+27
Surface area
1.2349430991281E+19
Circumference
6228714287.7341
Perimeter
3965322672
Area
982736493317326224
Diagonal
1401953275.482
Surface area
5896418959903957344
Volume
9.7421682438824E+26
Space diagonal
1717035084.0772
Perimeter
2973992004
Area
4.2553738421942E+17
Altitude
858517542.0386
Surface area
4.2553738421942E+17
Volume
1.1481255381183E+26
Height
467317758.49399