201991421 is an odd 9-digits prime number following 201991420
and preceding 201991422 . In scientific notation, it is written as 2.01991421 × 10^8.
The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors.
There are 201991420 positive integers (up to 201991421) that are relatively prime to 201991421.
201991421 has 2 divisors, whose sum is 201991422
The reverse of 201991421 is 124199102
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 29 Digital Root 2
Name
two hundred one million nine hundred ninety-one thousand four hundred twenty-one
Scientific notation
2.01991421 × 10^8
Engineering notation
2.01991421 × 10^6
Prime Factorization
201991421
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
201991421 Product of the distinct prime numbers
The prime factorization of 201991421 is 201991421.
Since it has a total of 1 prime factors.
9 , 10 , 40 , 58 , 725 , 54 , 1736 , 2848 , 87491 , 91039 , 743948 , 890427 , 6289344 , 4298496 , 13994835 , 83430461 , 660694365 , 270691237 , 4121529922 , 1814779917
n×2
403982842
n×3
605974263
n×4
807965684
n×5
1009957105
n÷2
100995710.5
n÷3
67330473.666667
n÷3
50497855.25
n÷5
40398284.2
n2
40800534157599241
n3
8.2413578720525E+24
n4
1.6646835875454E+33
n5
3.3625180336368E+41
2 √n14212.368592181
3 √n586.73812429493
4 √n119.21563904195
5 √n45.821213320865
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
201991422 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
100995711 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
14212.368627361 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999900986 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 201991421 can be divided by 2 positive divisors.
The sum of these divisors (counting 201991421) is 201991422, the average is 100995711.
Base
System
Value
2
Binary
1100000010100010010011111101
3
Ternary
112002002020010202
4
Quaternary
30002202103331
5
Quinary
403202211141
6
Senary
32013213245
8
Octal
1402422375
10
Decimal
201991421
12
Duodecimal
57791225
16
Hexadecimal
c0a24fd
20
Vigesimal
3328ib1
36
Base36
3c9dkt
md5
586123b04ebb805ae398b0cfb2729481
sha1
51aa52d592a3555ceffce159b1482d5745ff9cd8
sha256
92d53bff79d488637b2ce57e89d6a41f0075976cc91f2ca6ebe7a916632b6274
sha512
61a7bfec520f294de196c5badccf7544a41bce65884bde76faa6947ca5ba5bcf417667eecd02f98816eb6878ee57b1fcdc852268ccd6f7df511f9198121fd360
ripemd-160
910d85969a0768980661ab068eb275bb89429d5d
Diameter
403982842
Circumference
1269149528.6035
Area
1.2817865837205E+17
Volume
3.4521319128593E+25
Surface area
5.1271463348821E+17
Circumference
1269149528.6035
Perimeter
807965684
Area
40800534157599241
Diagonal
285659007.06121
Surface area
244803204945595446
Volume
8.2413578720525E+24
Space diagonal
349859403.86504
Perimeter
605974263
Area
1.7667149534228E+16
Altitude
174929701.93252
Surface area
1.7667149534228E+16
Volume
9.7125333958558E+23
Height
95219669.020405