201945821 is an odd 9-digits composite number following 201945820
and preceding 201945822 . In scientific notation, it is written as 2.01945821 × 10^8.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 151932480 positive integers (up to 201945821) that are relatively prime to 201945821.
201945821 has 16 divisors, whose sum is 260461440
The reverse of 201945821 is 128549102
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
two hundred one million nine hundred forty-five thousand eight hundred twenty-one
Scientific notation
2.01945821 × 10^8
Engineering notation
2.01945821 × 10^6
Prime Factorization
7 × 11 × 29 × 90437
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
201945821
Product of the distinct prime numbers
The prime factorization of 201945821 is 7 × 11 × 29 × 90437.
Since it has a total of 4 prime factors.
6 , 10 , 66 , 15 , 262 , 545 , 5605 , 8662 , 56671 , 93484 , 397869 , 355075 , 9526381 , 9200642 , 94291108 , 21131673 , 403675521 , 710774207 , 3683272983 , 220427038
n×2
403891642
n×3
605837463
n×4
807783284
n×5
1009729105
n÷2
100972910.5
n÷3
67315273.666667
n÷3
50486455.25
n÷5
40389164.2
n2
40782114619364041
n3
8.2357776189236E+24
n4
1.6631808728269E+33
n5
3.3587242683453E+41
2 √n
14210.764265162
3 √n
586.69396850531
4 √n
119.20891017521
5 √n
45.819144286426
1 , 7 , 11 , 29 , 77 , 203 , 319 , 2233 , 90437 , 633059 , 994807 , 2622673 , 6963649 , 18358711 , 28849403 , 201945821
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
-201945820
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 201945821 can be divided by 16 positive divisors.
The sum of these divisors (counting 201945821) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100000010010111001011011101
3
Ternary
112001222220120212
4
Quaternary
30002113023131
5
Quinary
403144231241
6
Senary
32012222205
8
Octal
1402271335
10
Decimal
201945821
12
Duodecimal
5776a965
16
Hexadecimal
c0972dd
20
Vigesimal
33234b1
36
Base36
3c8ee5
md5
019ab05225cb4eb00116b4dd95fffbe1
sha1
98cc625a4764a3c0c490dc7b8e6b711e81095507
sha256
0ab0300b12598545e0fc2d264b08fcf8eb8d1d969a7c9ec63531169adeeb9fc9
sha512
394b1f1ea807aedf92aac9bb5ab181fd89d78f3cf9fe6ca446074c89b186d010e36a8ddc355791f1021681b35045ea2cf201171344d863cc7562914ed32b07b5
ripemd-160
60723da8fee1d0ee856c751e5c66ad1ad5ff8363
Diameter
403891642
Circumference
1268863015.3535
Area
1.2812079168605E+17
Volume
3.4497944618946E+25
Surface area
5.124831667442E+17
Circumference
1268863015.3535
Perimeter
807783284
Area
40782114619364041
Diagonal
285594518.92277
Surface area
244692687716184246
Volume
8.2357776189236E+24
Space diagonal
349780422.34821
Perimeter
605837463
Area
1.7659173640209E+16
Altitude
174890211.1741
Surface area
1.7659173640209E+16
Volume
9.7059570044754E+23
Height
95198172.974256