991991036 is an even 9-digits composite number following 991991035
and preceding 991991037 . In scientific notation, it is written as 9.91991036 × 10^8.
The sum of its digits is 47. It has a total of 4 prime factors and 12 positive divisors.
There are 486637008 positive integers (up to 991991036) that are relatively prime to 991991036.
991991036 has 12 divisors, whose sum is 1768739112
The reverse of 991991036 is 630199199
Previous prime number is 53
Is Prime? no
Number parity even
Number length 9
Sum of Digits 47
Digital Root 2
Name
nine hundred ninety-one million nine hundred ninety-one thousand thirty-six
Scientific notation
9.91991036 × 10^8
Engineering notation
9.91991036 × 10^6
Prime Factorization
2 × 2 × 53 × 4679203
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
495995518
Product of the distinct prime numbers
The prime factorization of 991991036 is 2 × 2 × 53 × 4679203.
Since it has a total of 4 prime factors.
1 , 1 , 8 , 48 , 255 , 874 , 9905 , 127 , 80780 , 90012 , 798333 , 671239 , 9765381 , 7252860 , 54499806 , 95924248 , 329570298 , 535384881 , 7612691683 , 2679182926
n×2
1983982072
n×3
2975973108
n×4
3967964144
n×5
4959955180
n÷2
495995518
n÷3
330663678.66667
n÷3
247997759
n÷5
198398207.2
n2
984046215504353296
n3
9.7616502479004E+26
n4
9.6834695424844E+35
n5
9.6059149835235E+44
2 √n
31495.889192083
3 √n
997.32318639568
4 √n
177.4708122258
5 √n
62.994342815713
1 , 2 , 4 , 53 , 106 , 212 , 4679203 , 9358406 , 18716812 , 247997759 , 495995518 , 991991036
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-991991035
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 991991036 can be divided by 12 positive divisors.
The sum of these divisors (counting 991991036) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111011001000001001010011111100
3
Ternary
2120010121100212202
4
Quaternary
323020021103330
5
Quinary
4012422203121
6
Senary
242233451032
8
Octal
7310112374
10
Decimal
991991036
12
Duodecimal
238270a78
16
Hexadecimal
3b2094fc
20
Vigesimal
f9jihbg
36
Base36
gelt6k
md5
9890eafd8efaee976674e6eb6d02148a
sha1
f32efc14fa6c2c31bba21056c7a09615db5e1224
sha256
cef1e26e8ca4ee86b42c2f3d09affcae5c6b03d20536c437e372412fc6486eb4
sha512
3e250b1691ef3c32143b70157e40288fcb76b4b077abb48e22800aff099986ceafe0052fc91ba4cf5e59baf58026ae2374f165f0ff20eb6b33205d1fa509ae0a
ripemd-160
540dcf32cfba82608b81686a215ec76e3b841584
Diameter
1983982072
Circumference
6232863502.2491
Area
3.0914723614213E+18
Volume
4.0889504940956E+27
Surface area
1.2365889445685E+19
Circumference
6232863502.2491
Perimeter
3967964144
Area
984046215504353296
Diagonal
1402887176.8637
Surface area
5904277293026119776
Volume
9.7616502479004E+26
Space diagonal
1718178875.0049
Perimeter
2975973108
Area
4.2610451056235E+17
Altitude
859089437.50244
Surface area
4.2610451056235E+17
Volume
1.1504215143103E+26
Height
467629058.95458