191720149 is an odd 9-digits composite number following 191720148
and preceding 191720150 . In scientific notation, it is written as 1.91720149 × 10^8.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 191438764 positive integers (up to 191720149) that are relatively prime to 191720149.
191720149 has 4 divisors, whose sum is 192001536
The reverse of 191720149 is 941027191
Previous prime number is 683
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred ninety-one million seven hundred twenty thousand one hundred forty-nine
Scientific notation
1.91720149 × 10^8
Engineering notation
1.91720149 × 10^6
Prime Factorization
683 × 280703
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
191720149
Product of the distinct prime numbers
The prime factorization of 191720149 is 683 × 280703.
Since it has a total of 2 prime factors.
6 , 2 , 52 , 11 , 65 , 168 , 3520 , 7032 , 22661 , 17672 , 262146 , 50855 , 6696056 , 23422 , 40505658 , 37545237 , 312343548 , 539220192 , 4928602836 , 3003054639
n×2
383440298
n×3
575160447
n×4
766880596
n×5
958600745
n÷2
95860074.5
n÷3
63906716.333333
n÷3
47930037.25
n÷5
38344029.8
n2
36756615532582201
n3
7.0469838066424E+24
n4
1.3510487854101E+33
n5
2.5902327444509E+41
2 √n
13846.304525035
3 √n
576.61940365021
4 √n
117.6703213433
5 √n
45.345432819481
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
-191720148
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 191720149 can be divided by 4 positive divisors.
The sum of these divisors (counting 191720149) is 1, the average is 0.25.
Base
System
Value
2
Binary
1011011011010110101011010101
3
Ternary
111100202101121021
4
Quaternary
23123112223111
5
Quinary
343040021044
6
Senary
31005121141
8
Octal
1333265325
10
Decimal
191720149
12
Duodecimal
542591b1
16
Hexadecimal
b6d6ad5
20
Vigesimal
2ji5079
36
Base36
36587p
md5
eea053f4278e71470cd3f15cb79ad8a3
sha1
4e9b703395dbbde1b466c9ef47099be47ac31541
sha256
25b1f5d0c47043bd182dda1bc549bd85a57e44bab68dfd4c08d4755a404fa184
sha512
023581da952b06cbc1321cdbc08e08242473fa90335ed769fc06b3afeee274b7896a0f9553a4294c50762a003f6f791a4a885711e4bd973ad39aa97e808b6ef1
ripemd-160
6c7510ec305ec4ba47304d45a6e040fa307ccb56
Diameter
383440298
Circumference
1204613223.2871
Area
1.1547431332798E+17
Volume
2.9518336742552E+25
Surface area
4.6189725331194E+17
Circumference
1204613223.2871
Perimeter
766880596
Area
36756615532582201
Diagonal
271133234.89599
Surface area
220539693195493206
Volume
7.0469838066424E+24
Space diagonal
332069038.90268
Perimeter
575160447
Area
1.5916081404177E+16
Altitude
166034519.45134
Surface area
1.5916081404177E+16
Volume
8.304950060981E+23
Height
90377744.96533