201991257 is an odd 9-digits composite number following 201991256
and preceding 201991258 . In scientific notation, it is written as 2.01991257 × 10^8.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 120290400 positive integers (up to 201991257) that are relatively prime to 201991257.
201991257 has 8 divisors, whose sum is 210292992
The reverse of 201991257 is 752199102
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
two hundred one million nine hundred ninety-one thousand two hundred fifty-seven
Scientific notation
2.01991257 × 10^8
Engineering notation
2.01991257 × 10^6
Prime Factorization
117 × 31 × 55691
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
201991257
Product of the distinct prime numbers
The prime factorization of 201991257 is 117 × 31 × 55691.
Since it has a total of 3 prime factors.
8 , 10 , 69 , 28 , 850 , 911 , 7282 , 1329 , 18667 , 7986 , 752406 , 81973 , 2123363 , 860451 , 96062407 , 59589721 , 500965008 , 841317618 , 8703723598 , 889413669
n×2
403982514
n×3
605973771
n×4
807965028
n×5
1009956285
n÷2
100995628.5
n÷3
67330419
n÷3
50497814.25
n÷5
40398251.4
n2
40800467904440049
n3
8.241337798206E+24
n4
1.6646781812212E+33
n5
3.3625043832535E+41
2 √n
14212.362822557
3 √n
586.73796550093
4 √n
119.21561484368
5 √n
45.82120588027
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
-201991256
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 201991257 can be divided by 8 positive divisors.
The sum of these divisors (counting 201991257) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100000010100010010001011001
3
Ternary
112002002012220200
4
Quaternary
30002202101121
5
Quinary
403202210012
6
Senary
32013212413
8
Octal
1402422131
10
Decimal
201991257
12
Duodecimal
57791109
16
Hexadecimal
c0a2459
20
Vigesimal
3328i2h
36
Base36
3c9dg9
md5
ea1b6b0ea0a5f370b3e61bde7788fcd6
sha1
41ebe8eafd30aecb130e6a722ead5a03cf5c3389
sha256
5f3f201091c933307505efd332c969e90d3b3f1b5c1166913072ac2b9b0f7694
sha512
4e2b6431df8fac88e8981aa4b16de282ce53a64841a93c46a013f5e7c2e3f6ae9b7413eb506ef650b5fccd229d0bc9ec98637ff38db19c95675aef6a70edda43
ripemd-160
44f01a971e8d39909294ebf7f82fd5f7958a13c3
Diameter
403982514
Circumference
1269148498.1611
Area
1.2817845023161E+17
Volume
3.4521235043461E+25
Surface area
5.1271380092646E+17
Circumference
1269148498.1611
Perimeter
807965028
Area
40800467904440049
Diagonal
285658775.13019
Surface area
244802807426640294
Volume
8.241337798206E+24
Space diagonal
349859119.8087
Perimeter
605973771
Area
1.7667120845768E+16
Altitude
174929559.90435
Surface area
1.7667120845768E+16
Volume
9.7125097386008E+23
Height
95219591.710063