201995781 is an odd 9-digits composite number following 201995780
and preceding 201995782 . In scientific notation, it is written as 2.01995781 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 122552640 positive integers (up to 201995781) that are relatively prime to 201995781.
201995781 has 16 divisors, whose sum is 294134400
The reverse of 201995781 is 187599102
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
two hundred one million nine hundred ninety-five thousand seven hundred eighty-one
Scientific notation
2.01995781 × 10^8
Engineering notation
2.01995781 × 10^6
Prime Factorization
13 × 3 × 71 × 72949
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
201995781
Product of the distinct prime numbers
The prime factorization of 201995781 is 13 × 3 × 71 × 72949.
Since it has a total of 4 prime factors.
2 , 5 , 100 , 79 , 753 , 196 , 7590 , 8365 , 87021 , 70771 , 543022 , 768705 , 9718443 , 4277747 , 10511172 , 83554057 , 985094606 , 557476539 , 4612731915 , 7482847575
n×2
403991562
n×3
605987343
n×4
807983124
n×5
1009978905
n÷2
100997890.5
n÷3
67331927
n÷3
50498945.25
n÷5
40399156.2
n2
40802295541799961
n3
8.2418915545587E+24
n4
1.6648273214804E+33
n5
3.3628809503257E+41
2 √n
14212.521978875
3 √n
586.74234586006
4 √n
119.21628235637
5 √n
45.821411130024
1 , 3 , 13 , 39 , 71 , 213 , 923 , 2769 , 72949 , 218847 , 948337 , 2845011 , 5179379 , 15538137 , 67331927 , 201995781
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-201995780
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 201995781 can be divided by 16 positive divisors.
The sum of these divisors (counting 201995781) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100000010100011011000000101
3
Ternary
112002002110010020
4
Quaternary
30002203120011
5
Quinary
403202331111
6
Senary
32013245353
8
Octal
1402433005
10
Decimal
201995781
12
Duodecimal
57793859
16
Hexadecimal
c0a3605
20
Vigesimal
3329991
36
Base36
3c9gxx
md5
27a35e173df56af2dbbc3f30f65ccc79
sha1
bcc6548c24757a40ba25b4a44bf00d1975c90537
sha256
3417b81ed0ed315d8951ca189a6989e06b47badf4cc9ba066d38507c03c2a764
sha512
bc476594e983eac1cde3b6fb21073312c3bdeb5bdd731e2b383fad3e31b71eb913e3ee014698e850e42c53a91f05b44377a9fed765a318e33ef48a84a9724825
ripemd-160
76f2dce0e68a84f68d07dd39104964d88364b3d6
Diameter
403991562
Circumference
1269176923.2915
Area
1.2818419192372E+17
Volume
3.4523554612647E+25
Surface area
5.1273676769487E+17
Circumference
1269176923.2915
Perimeter
807983124
Area
40802295541799961
Diagonal
285665173.03235
Surface area
244813773250799766
Volume
8.2418915545587E+24
Space diagonal
349866955.60656
Perimeter
605987343
Area
1.766791223596E+16
Altitude
174933477.80328
Surface area
1.766791223596E+16
Volume
9.713162346721E+23
Height
95221724.344115