201988981 is an odd 9-digits composite number following 201988980
and preceding 201988982 . In scientific notation, it is written as 2.01988981 × 10^8.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 191224800 positive integers (up to 201988981) that are relatively prime to 201988981.
201988981 has 8 divisors, whose sum is 212768000
The reverse of 201988981 is 189889102
Previous prime number is 1951
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
two hundred one million nine hundred eighty-eight thousand nine hundred eighty-one
Scientific notation
2.01988981 × 10^8
Engineering notation
2.01988981 × 10^6
Prime Factorization
19 × 1951 × 5449
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
201988981
Product of the distinct prime numbers
The prime factorization of 201988981 is 19 × 1951 × 5449.
Since it has a total of 3 prime factors.
5 , 2 , 81 , 94 , 262 , 390 , 713 , 918 , 11649 , 75554 , 166954 , 922473 , 6341105 , 3012648 , 49942945 , 97029803 , 559972893 , 760546937 , 429066882 , 1331567918
n×2
403977962
n×3
605966943
n×4
807955924
n×5
1009944905
n÷2
100994490.5
n÷3
67329660.333333
n÷3
50497245.25
n÷5
40397796.2
n2
40799548445418361
n3
8.2410592157502E+24
n4
1.66460315335E+33
n5
3.3623149471456E+41
2 √n
14212.282751198
3 √n
586.73576174115
4 √n
119.21527901741
5 √n
45.821102618836
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
-201988980
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 201988981 can be divided by 8 positive divisors.
The sum of these divisors (counting 201988981) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100000010100001101101110101
3
Ternary
112002002002210101
4
Quaternary
30002201231311
5
Quinary
403202121411
6
Senary
32013154101
8
Octal
1402415565
10
Decimal
201988981
12
Duodecimal
5778b931
16
Hexadecimal
c0a1b75
20
Vigesimal
3328c91
36
Base36
3c9bp1
md5
6d20f654458cc8b62894b8b7834a0964
sha1
e95ec27246bed1ac3c1ed6988c5ef7fdd74c653a
sha256
fad9309434f41687bd14f7ff7c87eed64525fbf58df23a6eb29c15d3ecb4a747
sha512
db7a5f253a53974a4ff909fbe63149aacb83d4435cfba969cfa04597dacd51cc909f03feca18bfd1b05ca55c1341efbd04030279cf1224479866b3092d9ff73f
ripemd-160
82bbfe0bbe0048416bf120a7f3411b749385f081
Diameter
403977962
Circumference
1269134197.6314
Area
1.2817556166591E+17
Volume
3.4520068119999E+25
Surface area
5.1270224666363E+17
Circumference
1269134197.6314
Perimeter
807955924
Area
40799548445418361
Diagonal
285655556.38012
Surface area
244797290672510166
Volume
8.2410592157502E+24
Space diagonal
349855177.66106
Perimeter
605966943
Area
1.7666722708333E+16
Altitude
174927588.83053
Surface area
1.7666722708333E+16
Volume
9.7121814260281E+23
Height
95218518.793374