201991287 is an odd 9-digits composite number following 201991286
and preceding 201991288 . In scientific notation, it is written as 2.01991287 × 10^8.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 134536568 positive integers (up to 201991287) that are relatively prime to 201991287.
201991287 has 8 divisors, whose sum is 269570304
The reverse of 201991287 is 782199102
Previous prime number is 1103
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
two hundred one million nine hundred ninety-one thousand two hundred eighty-seven
Scientific notation
2.01991287 × 10^8
Engineering notation
2.01991287 × 10^6
Prime Factorization
3 × 1103 × 61043
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
201991287
Product of the distinct prime numbers
The prime factorization of 201991287 is 3 × 1103 × 61043.
Since it has a total of 3 prime factors.
6 , 10 , 48 , 5 , 903 , 223 , 10 , 6497 , 51205 , 3742 , 230880 , 514699 , 437307 , 122144 , 61846647 , 43948237 , 640906773 , 859778283 , 7973096730 , 6218754521
n×2
403982574
n×3
605973861
n×4
807965148
n×5
1009956435
n÷2
100995643.5
n÷3
67330429
n÷3
50497821.75
n÷5
40398257.4
n2
40800480023916369
n3
8.2413414702487E+24
n4
1.664679170182E+33
n5
3.3625068802715E+41
2 √n
14212.363877976
3 √n
586.73799454862
4 √n
119.2156192702
5 √n
45.821207241355
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
-201991286
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 201991287 can be divided by 8 positive divisors.
The sum of these divisors (counting 201991287) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100000010100010010001110111
3
Ternary
112002002012221210
4
Quaternary
30002202101313
5
Quinary
403202210122
6
Senary
32013212503
8
Octal
1402422167
10
Decimal
201991287
12
Duodecimal
57791133
16
Hexadecimal
c0a2477
20
Vigesimal
3328i47
36
Base36
3c9dh3
md5
e6efdac623efe38012a80f01199756d2
sha1
462ec1a8282cc09c8c24609176c9ec09a14fe709
sha256
ebf107a9355222083e3abe51b24cd050967859cf8efd031e12fc0ade1e6c612a
sha512
9ada603ff09276b53f0f2a1b4b1c8f06822a8c2bee195198a49e9eacf1156298bbac0869a22c42da3548202246cf2dd43fcabac1acff6b74ecc63650dc8380da
ripemd-160
10bd3698694d82af769691edd59d290cb48e5601
Diameter
403982574
Circumference
1269148686.6567
Area
1.2817848830607E+17
Volume
3.4521250424877E+25
Surface area
5.1271395322429E+17
Circumference
1269148686.6567
Perimeter
807965148
Area
40800480023916369
Diagonal
285658817.5566
Surface area
244802880143498214
Volume
8.2413414702487E+24
Space diagonal
349859171.77023
Perimeter
605973861
Area
1.7667126093656E+16
Altitude
174929585.88511
Surface area
1.7667126093656E+16
Volume
9.7125140661446E+23
Height
95219605.852199