991369968 is an even 9-digits composite number following 991369967
and preceding 991369969 . In scientific notation, it is written as 9.91369968 × 10^8.
The sum of its digits is 60. It has a total of 6 prime factors and 20 positive divisors.
There are 330456640 positive integers (up to 991369968) that are relatively prime to 991369968.
991369968 has 20 divisors, whose sum is 2561039208
The reverse of 991369968 is 869963199
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 60
Digital Root 6
Name
nine hundred ninety-one million three hundred sixty-nine thousand nine hundred sixty-eight
Scientific notation
9.91369968 × 10^8
Engineering notation
9.91369968 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 20653541
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
123921246
Product of the distinct prime numbers
The prime factorization of 991369968 is 2 × 2 × 2 × 2 × 3 × 20653541.
Since it has a total of 6 prime factors.
2 , 6 , 45 , 16 , 711 , 818 , 9526 , 6603 , 28900 , 82574 , 131117 , 508059 , 2680329 , 408956 , 75258107 , 23228758 , 505448969 , 561805156 , 5765924055 , 1256458269
n×2
1982739936
n×3
2974109904
n×4
3965479872
n×5
4956849840
n÷2
495684984
n÷3
330456656
n÷3
247842492
n÷5
198273993.6
n2
982814413452321024
n3
9.7433269361417E+26
n4
9.6592417128963E+35
n5
9.5758821478183E+44
2 √n
31486.028139478
3 √n
997.11500748898
4 √n
177.44302786945
5 √n
62.98645291134
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 20653541 , 41307082 , 61960623 , 82614164 , 123921246 , 165228328 , 247842492 , 330456656 , 495684984 , 991369968
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-991369967
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 991369968 can be divided by 20 positive divisors.
The sum of these divisors (counting 991369968) is 1, the average is 0.05.
Base
System
Value
2
Binary
111011000101110001101011110000
3
Ternary
2120002102210221020
4
Quaternary
323011301223300
5
Quinary
4012242314333
6
Senary
242212255440
8
Octal
7305615360
10
Decimal
991369968
12
Duodecimal
238011580
16
Hexadecimal
3b171af0
20
Vigesimal
f9g14i8
36
Base36
ge8hyo
md5
0c2da614de584fc3478b8d1c1fe8921f
sha1
f5e6542b760ff4d17cb0c7e84d42605072f60466
sha256
9569f98163503e3af97078acc7b4eac82a477654f996af5327297783d2a855c8
sha512
d446843b4a40de7cf49659bb9b9094051e3559667d55e28f6999aa390f010f5ecf5cb4dd1528a02768b21b95843c40805264b532912f5205e292d5dec1893481
ripemd-160
542206cbe321b0b41d648f61cc89d1cd4764fb97
Diameter
1982739936
Circumference
6228961216.9167
Area
3.087602541144E+18
Volume
4.0812752432142E+27
Surface area
1.2350410164576E+19
Circumference
6228961216.9167
Perimeter
3965479872
Area
982814413452321024
Diagonal
1402008854.075
Surface area
5896886480713926144
Volume
9.7433269361417E+26
Space diagonal
1717103153.6739
Perimeter
2974109904
Area
4.2557112462761E+17
Altitude
858551576.83697
Surface area
4.2557112462761E+17
Volume
1.1482620913106E+26
Height
467336284.69166