201215421 is an odd 9-digits composite number following 201215420
and preceding 201215422 . In scientific notation, it is written as 2.01215421 × 10^8.
The sum of its digits is 18. It has a total of 6 prime factors and 24 positive divisors.
There are 121947120 positive integers (up to 201215421) that are relatively prime to 201215421.
201215421 has 24 divisors, whose sum is 328814304
The reverse of 201215421 is 124512102
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 18
Digital Root 9
Name
two hundred one million two hundred fifteen thousand four hundred twenty-one
Scientific notation
2.01215421 × 10^8
Engineering notation
2.01215421 × 10^6
Prime Factorization
3 × 3 × 9 × 3 × 11 × 75277
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
22357269
Product of the distinct prime numbers
The prime factorization of 201215421 is 3 × 3 × 9 × 3 × 11 × 75277.
Since it has a total of 6 prime factors.
8 , 5 , 87 , 16 , 60 , 843 , 6565 , 5976 , 21276 , 79388 , 558975 , 128530 , 3355919 , 1799118 , 15632960 , 33173467 , 67211548 , 265043362 , 6237322747 , 8623370547
n×2
402430842
n×3
603646263
n×4
804861684
n×5
1006077105
n÷2
100607710.5
n÷3
67071807
n÷3
50303855.25
n÷5
40243084.2
n2
40487645648207241
n3
8.1467386644028E+24
n4
1.6392494501348E+33
n5
3.2984226823289E+41
2 √n
14185.042157146
3 √n
585.98579351069
4 √n
119.10097462719
5 √n
45.785952389034
1 , 3 , 9 , 11 , 27 , 33 , 81 , 99 , 243 , 297 , 891 , 2673 , 75277 , 225831 , 677493 , 828047 , 2032479 , 2484141 , 6097437 , 7452423 , 18292311 , 22357269 , 67071807 , 201215421
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-201215420
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 201215421 can be divided by 24 positive divisors.
The sum of these divisors (counting 201215421) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1011111111100100110110111101
3
Ternary
112000121210200000
4
Quaternary
23333210312331
5
Quinary
403002343141
6
Senary
31544424513
8
Octal
1377446675
10
Decimal
201215421
12
Duodecimal
57478139
16
Hexadecimal
bfe4dbd
20
Vigesimal
32hbib1
36
Base36
3bsqt9
md5
ae5338d00b0507a39dff67a453a7e7a9
sha1
4a115d23b323920e62b886c023fd36f088926975
sha256
ae7485b3b6c386179947fbe59267f3ebbe9b8ccc1a9b7064eb45f4ae21b35631
sha512
4cafb4980814bfa3b6017e9a0875801a7d519c37a1f03594a2c3d599b348ec11b092ca87677cfe784a2068c337b515987260a299e45e3f9bb7b364dfb0056f32
ripemd-160
0b5d98d948845104038f82aa007c1e897222dab3
Diameter
402430842
Circumference
1264273776.8052
Area
1.2719569012955E+17
Volume
3.4124979118405E+25
Surface area
5.0878276051822E+17
Circumference
1264273776.8052
Perimeter
804861684
Area
40487645648207241
Diagonal
284561577.33681
Surface area
242925873889243446
Volume
8.1467386644028E+24
Space diagonal
348515332.43836
Perimeter
603646263
Area
1.7531664835385E+16
Altitude
174257666.21918
Surface area
1.7531664835385E+16
Volume
9.6010235902565E+23
Height
94853859.112271