191291213 is an odd 9-digits composite number following 191291212
and preceding 191291214 . In scientific notation, it is written as 1.91291213 × 10^8.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 191143548 positive integers (up to 191291213) that are relatively prime to 191291213.
191291213 has 4 divisors, whose sum is 191438880
The reverse of 191291213 is 312192191
Previous prime number is 1307
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2
Name
one hundred ninety-one million two hundred ninety-one thousand two hundred thirteen
Scientific notation
1.91291213 × 10^8
Engineering notation
1.91291213 × 10^6
Prime Factorization
1307 × 146359
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
191291213
Product of the distinct prime numbers
The prime factorization of 191291213 is 1307 × 146359.
Since it has a total of 2 prime factors.
8 , 1 , 15 , 23 , 131 , 957 , 3426 , 8591 , 65778 , 87417 , 431687 , 593079 , 5546221 , 7021801 , 11543429 , 85574865 , 817642686 , 5435728 , 1302453602 , 7515397469
n×2
382582426
n×3
573873639
n×4
765164852
n×5
956456065
n÷2
95645606.5
n÷3
63763737.666667
n÷3
47822803.25
n÷5
38258242.6
n2
36592328171011369
n3
6.9997908423268E+24
n4
1.338998480975E+33
n5
2.5613864363086E+41
2 √n
13830.806664833
3 √n
576.18905851049
4 √n
117.60445002139
5 √n
45.325124345334
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-191291212
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 191291213 can be divided by 4 positive divisors.
The sum of these divisors (counting 191291213) is 1, the average is 0.25.
Base
System
Value
2
Binary
1011011001101101111101001101
3
Ternary
111022221121012202
4
Quaternary
23121231331031
5
Quinary
342432304323
6
Senary
30552011245
8
Octal
1331557515
10
Decimal
191291213
12
Duodecimal
54090b25
16
Hexadecimal
b66df4d
20
Vigesimal
2jfb80d
36
Base36
35w18t
md5
dcb22a9de36df46a774bd419a10daf20
sha1
424d58a706d6b3893602d236cf6d7ad5609dedf4
sha256
e81f7ee7d7e57546e43204986fc00b15460a4d89d1f1981d5477bd96242e494b
sha512
2d2e3f86ca825ca59b352a85a5c14bc9886e709d3a2691a8f52ba383b2b23d9d0f512015f9efb49abc78484cb019f71fdbb118a2cabae5f22b4cd543b5dee06b
ripemd-160
b44b016e0e5dcae045428a1719ad18055fa1f1a2
Diameter
382582426
Circumference
1201918138.9142
Area
1.149581893598E+17
Volume
2.9320655315892E+25
Surface area
4.5983275743918E+17
Circumference
1201918138.9142
Perimeter
765164852
Area
36592328171011369
Diagonal
270526627.7874
Surface area
219553969026068214
Volume
6.9997908423268E+24
Space diagonal
331326099.95748
Perimeter
573873639
Area
1.5844942889856E+16
Altitude
165663049.97874
Surface area
1.5844942889856E+16
Volume
8.2493326191613E+23
Height
90175542.5958