991330665 is an odd 9-digits composite number following 991330664
and preceding 991330666 . In scientific notation, it is written as 9.91330665 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 485326080 positive integers (up to 991330665) that are relatively prime to 991330665.
991330665 has 16 divisors, whose sum is 1145091584
The reverse of 991330665 is 566033199
Previous prime number is 181
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
nine hundred ninety-one million three hundred thirty thousand six hundred sixty-five
Scientific notation
9.91330665 × 10^8
Engineering notation
9.91330665 × 10^6
Prime Factorization
15 × 13 × 181 × 28087
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
991330665
Product of the distinct prime numbers
The prime factorization of 991330665 is 15 × 13 × 181 × 28087.
Since it has a total of 4 prime factors.
3 , 8 , 42 , 48 , 937 , 693 , 4627 , 212 , 77077 , 56019 , 860686 , 717302 , 9669978 , 7297706 , 1197514 , 17844342 , 15730541 , 693141830 , 6986791695 , 2241220222
n×2
1982661330
n×3
2973991995
n×4
3965322660
n×5
4956653325
n÷2
495665332.5
n÷3
330443555
n÷3
247832666.25
n÷5
198266133
n2
982736487369342225
n3
9.7421681554361E+26
n4
9.6577100360703E+35
n5
9.5739841124348E+44
2 √n
31485.403999314
3 √n
997.10183039388
4 √n
177.44126915493
5 √n
62.985953482086
1 , 13 , 15 , 181 , 195 , 2353 , 2715 , 28087 , 35295 , 365131 , 421305 , 5083747 , 5476965 , 66088711 , 76256205 , 991330665
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
-991330664
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 991330665 can be divided by 16 positive divisors.
The sum of these divisors (counting 991330665) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111011000101101000000101101001
3
Ternary
2120002100211000120
4
Quaternary
323011220011221
5
Quinary
4012240040130
6
Senary
242211353453
8
Octal
7305500551
10
Decimal
991330665
12
Duodecimal
237bb2889
16
Hexadecimal
3b168169
20
Vigesimal
f9fg6d5
36
Base36
ge7nmx
md5
70db24d73a5cd929553652fbcaca3f88
sha1
0f5e6371f1d33d293e3ef2ec29cccada8d6a3f9f
sha256
5797a27c3f0546ca32bdba2390fbcb6a7503c01413392ad0527e339c90ac6224
sha512
1231d0bc9d2bf29403327f8415531f08b9d8f69e2ad6e07533213befacff3596f462bc279c1414215ed742ba42af4717aaacee849789cae8cf37b48fb5895341
ripemd-160
f8f48a84bab81b1d032166806378cc65033b201e
Diameter
1982661330
Circumference
6228714268.8846
Area
3.0873577291342E+18
Volume
4.0807898542873E+27
Surface area
1.2349430916537E+19
Circumference
6228714268.8846
Perimeter
3965322660
Area
982736487369342225
Diagonal
1401953271.2393
Surface area
5896418924216053350
Volume
9.7421681554361E+26
Space diagonal
1717035078.881
Perimeter
2973991995
Area
4.2553738164387E+17
Altitude
858517539.44052
Surface area
4.2553738164387E+17
Volume
1.1481255276948E+26
Height
467317757.07978