215442021 is an odd 9-digits composite number following 215442020
and preceding 215442022 . In scientific notation, it is written as 2.15442021 × 10^8.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 141365376 positive integers (up to 215442021) that are relatively prime to 215442021.
215442021 has 16 divisors, whose sum is 291807936
The reverse of 215442021 is 120244512
Previous prime number is 293
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 21
Digital Root 3
Name
two hundred fifteen million four hundred forty-two thousand twenty-one
Scientific notation
2.15442021 × 10^8
Engineering notation
2.15442021 × 10^6
Prime Factorization
3 × 83 × 293 × 2953
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
215442021
Product of the distinct prime numbers
The prime factorization of 215442021 is 3 × 83 × 293 × 2953.
Since it has a total of 4 prime factors.
10 , 3 , 75 , 41 , 595 , 545 , 9953 , 610 , 64424 , 67862 , 519418 , 450643 , 1297772 , 5729464 , 80983463 , 94807228 , 129562109 , 656046929 , 6819949191 , 1994773605
n×2
430884042
n×3
646326063
n×4
861768084
n×5
1077210105
n÷2
107721010.5
n÷3
71814007
n÷3
53860505.25
n÷5
43088404.2
n2
46415264412564441
n3
9.9997983702923E+24
n4
2.1543767704883E+33
n5
4.6414328542945E+41
2 √n
14677.943350483
3 √n
599.4829072643
4 √n
121.15256229434
5 √n
46.415825943394
1 , 3 , 83 , 249 , 293 , 879 , 2953 , 8859 , 24319 , 72957 , 245099 , 735297 , 865229 , 2595687 , 71814007 , 215442021
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
-215442020
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 215442021 can be divided by 16 positive divisors.
The sum of these divisors (counting 215442021) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100110101110110001001100101
3
Ternary
120000101120220010
4
Quaternary
30311312021211
5
Quinary
420123121041
6
Senary
33213400433
8
Octal
1465661145
10
Decimal
215442021
12
Duodecimal
60199119
16
Hexadecimal
cd76265
20
Vigesimal
376a511
36
Base36
3k9o4l
md5
6960d82e9720bd59e0e14e04d0aea222
sha1
95c111958913b7c6b7e490c2e9a6fafbc8ed2b0a
sha256
0dca271d31e891eb24e3d00a3635e18c702d827f7b089156dcd982cb702a3da0
sha512
3bc04f7a6c567630063791d6f992e5d6676b62c9718b1bf744960ccf8b84241202954d4004433dea95f1480990394b53b880d1906818429ba760bebe557b213a
ripemd-160
7ea3b48a7650eeefafbcb02ad1ce429859c22280
Diameter
430884042
Circumference
1353662140.8963
Area
1.4581785369294E+17
Volume
4.1887057463319E+25
Surface area
5.8327141477176E+17
Circumference
1353662140.8963
Perimeter
861768084
Area
46415264412564441
Diagonal
304681028.00327
Surface area
278491586475386646
Volume
9.9997983702923E+24
Space diagonal
373156526.45732
Perimeter
646326063
Area
2.0098399052326E+16
Altitude
186578263.22866
Surface area
2.0098399052326E+16
Volume
1.1784875396886E+24
Height
101560342.66776