191497890 is an even 9-digits composite number following 191497889
and preceding 191497891 . In scientific notation, it is written as 1.91497890 × 10^8.
The sum of its digits is 48. It has a total of 5 prime factors and 32 positive divisors.
There are 50937984 positive integers (up to 191497890) that are relatively prime to 191497890.
191497890 has 32 divisors, whose sum is 460748160
The reverse of 191497890 is 098794191
Previous prime number is 409
Is Prime? no
Number parity even
Number length 9
Sum of Digits 48
Digital Root 3
Name
one hundred ninety-one million four hundred ninety-seven thousand eight hundred ninety
Scientific notation
1.91497890 × 10^8
Engineering notation
1.91497890 × 10^6
Prime Factorization
2 × 5 × 3 × 409 × 15607
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
191497890
Product of the distinct prime numbers
The prime factorization of 191497890 is 2 × 5 × 3 × 409 × 15607.
Since it has a total of 5 prime factors.
5 , 3 , 61 , 65 , 524 , 155 , 3076 , 253 , 62572 , 96660 , 909752 , 828895 , 4778323 , 336506 , 25818572 , 56927420 , 240901101 , 446746445 , 2964903349 , 9061176985
n×2
382995780
n×3
574493670
n×4
765991560
n×5
957489450
n÷2
95748945
n÷3
63832630
n÷3
47874472.5
n÷5
38299578
n2
36671441874452100
n3
7.0225037422152E+24
n4
1.3447946491513E+33
n5
2.5752533779577E+41
2 √n
13838.276265489
3 √n
576.39649470542
4 √n
117.63620303924
5 √n
45.334914251263
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 409 , 818 , 1227 , 2045 , 2454 , 4090 , 6135 , 12270 , 15607 , 31214 , 46821 , 78035 , 93642 , 156070 , 234105 , 468210 , 6383263 , 12766526 , 19149789 , 31916315 , 38299578 , 63832630 , 95748945 , 191497890
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-191497889
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 191497890 can be divided by 32 positive divisors.
The sum of these divisors (counting 191497890) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1011011010100000011010100010
3
Ternary
111100100002201110
4
Quaternary
23122200122202
5
Quinary
343010413030
6
Senary
31000244150
8
Octal
1332403242
10
Decimal
191497890
12
Duodecimal
54170656
16
Hexadecimal
b6a06a2
20
Vigesimal
2jgh4ea
36
Base36
360gpu
md5
251df5daa0abdf59a16c6956804667d9
sha1
7a146a913bca0c6c6b330d561fa57c30c88a77d2
sha256
b0ad7b60d828d95ddac4eff904b4f3d6a944af4dba74d91e4663dbdbb76debaa
sha512
0017963e9a1a7ee44ddc15fb1a9824e7040d88bbc54b058db97b63889ce7c72113b8ede795000b4830e356c6b4fa6836a1d89817b905027954c1cb260a33f277
ripemd-160
550836e1261212033445a98c0b05dc6be069a7b5
Diameter
382995780
Circumference
1203216728.8039
Area
1.1520673238932E+17
Volume
2.9415794888467E+25
Surface area
4.608269295573E+17
Circumference
1203216728.8039
Perimeter
765991560
Area
36671441874452100
Diagonal
270818913.20383
Surface area
220028651246712600
Volume
7.0225037422152E+24
Space diagonal
331684075.02224
Perimeter
574493670
Area
1.587920012834E+16
Altitude
165842037.51112
Surface area
1.587920012834E+16
Volume
8.2761000283805E+23
Height
90272971.067944