191131489 is an odd 9-digits composite number following 191131488
and preceding 191131490 . In scientific notation, it is written as 1.91131489 × 10^8.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 183128400 positive integers (up to 191131489) that are relatively prime to 191131489.
191131489 has 8 divisors, whose sum is 199235520
The reverse of 191131489 is 984131191
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred ninety-one million one hundred thirty-one thousand four hundred eighty-nine
Scientific notation
1.91131489 × 10^8
Engineering notation
1.91131489 × 10^6
Prime Factorization
29 × 131 × 50311
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
191131489
Product of the distinct prime numbers
The prime factorization of 191131489 is 29 × 131 × 50311.
Since it has a total of 3 prime factors.
6 , 8 , 13 , 62 , 712 , 992 , 6806 , 4112 , 12152 , 48931 , 379652 , 377003 , 5623625 , 2050964 , 39944161 , 52797340 , 690848830 , 728278257 , 3425651101 , 9611118418
n×2
382262978
n×3
573394467
n×4
764525956
n×5
955657445
n÷2
95565744.5
n÷3
63710496.333333
n÷3
47782872.25
n÷5
38226297.8
n2
36531246087357121
n3
6.982271459702E+24
n4
1.334531940695E+33
n5
2.550710769431E+41
2 √n
13825.031247704
3 √n
576.02864541342
4 √n
117.57989304173
5 √n
45.31755271756
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-191131488
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 191131489 can be divided by 8 positive divisors.
The sum of these divisors (counting 191131489) is 1, the average is 0.125.
Base
System
Value
2
Binary
1011011001000110111101100001
3
Ternary
111022122111010001
4
Quaternary
23121012331201
5
Quinary
342412201424
6
Senary
30544340001
8
Octal
1331067541
10
Decimal
191131489
12
Duodecimal
54014601
16
Hexadecimal
b646f61
20
Vigesimal
2jeb8e9
36
Base36
35sm01
md5
bcd103565251728f21c30d17a42b1244
sha1
b47576dacf83c734a55f0bffd224f8fa861fd47c
sha256
0fac397dce73d975e5d91191306ed63252ff57d26b7e14ba5c9bb2c293b01829
sha512
f78c8c7b67d2914b7298960525717f4efc3ffa8e17adb137c4d908ff9be3b8b76996037e54b60af1692dab526eccec0c7ad456c67c9bb02dd59f0f39aeb6a488
ripemd-160
4ccadb05592af767d2db97403a3a6858ef647a3d
Diameter
382262978
Circumference
1200914563.4242
Area
1.1476629433452E+17
Volume
2.9247270297559E+25
Surface area
4.5906517733809E+17
Circumference
1200914563.4242
Perimeter
764525956
Area
36531246087357121
Diagonal
270300743.94036
Surface area
219187476524142726
Volume
6.982271459702E+24
Space diagonal
331049449.87429
Perimeter
573394467
Area
1.5818493571776E+16
Altitude
165524724.93715
Surface area
1.5818493571776E+16
Volume
8.2286858287343E+23
Height
90100247.980121