221621390 is an even 9-digits composite number following 221621389
and preceding 221621391 . In scientific notation, it is written as 2.21621390 × 10^8.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 88648552 positive integers (up to 221621390) that are relatively prime to 221621390.
221621390 has 8 divisors, whose sum is 398918520
The reverse of 221621390 is 093126122
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 26
Digital Root 8
Name
two hundred twenty-one million six hundred twenty-one thousand three hundred ninety
Scientific notation
2.21621390 × 10^8
Engineering notation
2.21621390 × 10^6
Prime Factorization
2 × 5 × 22162139
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
221621390
Product of the distinct prime numbers
The prime factorization of 221621390 is 2 × 5 × 22162139.
Since it has a total of 3 prime factors.
2 , 8 , 36 , 74 , 862 , 124 , 5282 , 6806 , 28197 , 30155 , 869949 , 31925 , 4373095 , 5652376 , 40424746 , 46974448 , 967577692 , 578012462 , 6356176770 , 6354347002
n×2
443242780
n×3
664864170
n×4
886485560
n×5
1108106950
n÷2
110810695
n÷3
73873796.666667
n÷3
55405347.5
n÷5
44324278
n2
49116040505532100
n3
1.0885165168132E+25
n4
2.4123854349411E+33
n5
5.3463621330739E+41
2 √n
14886.953684351
3 √n
605.1604792506
4 √n
122.01210466323
5 √n
46.679085046966
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
-221621389
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 221621390 can be divided by 8 positive divisors.
The sum of these divisors (counting 221621390) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101001101011010110010001110
3
Ternary
120110000112101122
4
Quaternary
31031122302032
5
Quinary
423213341030
6
Senary
33554040542
8
Octal
1515326216
10
Decimal
221621390
12
Duodecimal
62279152
16
Hexadecimal
d35ac8e
20
Vigesimal
3952d9a
36
Base36
3ny45q
md5
3113698cdce356fd0948fab29b8b2b1f
sha1
6fca98060689491626ded6ca4dc4f0a4a8e0210c
sha256
7fd1caa6dd9b0e8c160eb405914fc0f833fa576ddbbcb5c37bef33c12409d291
sha512
fdc8ddaab6a6ea45f8431a7634cc3384f7bca3b712e6e099d1479117e5b4cca0c6d39376a4c2b338991f61f9f353b0b16d0423caba1f3d6d5a53c7f28329676d
ripemd-160
2a025e516c347f2d0b21125df8464385e68c42f4
Diameter
443242780
Circumference
1392488261.4047
Area
1.543025920256E+17
Volume
4.5595673233755E+25
Surface area
6.1721036810239E+17
Circumference
1392488261.4047
Perimeter
886485560
Area
49116040505532100
Diagonal
313419975.44998
Surface area
294696243033192600
Volume
1.0885165168132E+25
Space diagonal
383859507.52404
Perimeter
664864170
Area
2.1267869405548E+16
Altitude
191929753.76202
Surface area
2.1267869405548E+16
Volume
1.2828290174537E+24
Height
104473325.14999