221369905 is an odd 9-digits composite number following 221369904
and preceding 221369906 . In scientific notation, it is written as 2.21369905 × 10^8.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 170489088 positive integers (up to 221369905) that are relatively prime to 221369905.
221369905 has 16 divisors, whose sum is 275608080
The reverse of 221369905 is 509963122
Previous prime number is 373
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
two hundred twenty-one million three hundred sixty-nine thousand nine hundred five
Scientific notation
2.21369905 × 10^8
Engineering notation
2.21369905 × 10^6
Prime Factorization
5 × 29 × 373 × 4093
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
221369905
Product of the distinct prime numbers
The prime factorization of 221369905 is 5 × 29 × 373 × 4093.
Since it has a total of 4 prime factors.
7 , 10 , 16 , 73 , 837 , 958 , 2961 , 2645 , 24048 , 3303 , 346043 , 872630 , 7903680 , 9948830 , 72188266 , 86016060 , 251308162 , 534975675 , 5486020819 , 3685695089
n×2
442739810
n×3
664109715
n×4
885479620
n×5
1106849525
n÷2
110684952.5
n÷3
73789968.333333
n÷3
55342476.25
n÷5
44273981
n2
49004634839709025
n3
1.0848151359026E+25
n4
2.4014542357732E+33
n5
5.3160969603497E+41
2 √n
14878.50479719
3 √n
604.93149054622
4 √n
121.97747659789
5 √n
46.66848641142
1 , 5 , 29 , 145 , 373 , 1865 , 4093 , 10817 , 20465 , 54085 , 118697 , 593485 , 1526689 , 7633445 , 44273981 , 221369905
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
-221369904
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 221369905 can be divided by 16 positive divisors.
The sum of these divisors (counting 221369905) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101001100011101011000110001
3
Ternary
120102112202102101
4
Quaternary
31030131120301
5
Quinary
423132314110
6
Senary
33544420401
8
Octal
1514353061
10
Decimal
221369905
12
Duodecimal
62177701
16
Hexadecimal
d31d631
20
Vigesimal
393b4f5
36
Base36
3nsq41
md5
76504aaac9409ddbe28ce566e11b2b24
sha1
c808408a55ed2db2f4903fbacb44656d9637ca42
sha256
e9fd9e7c240e1cbd3b3d508aca27593decff1adc34e4fcf6cb95b50d281dd559
sha512
95c3a0f759996798ed68c9f9c1f4ac32d0f5fac073b0de0a076b57f17630072ca634156b66ad4e84fae09bb44fbf0cea76604ca6ea874d7a25c0f94eb565c84d
ripemd-160
88afa66d13c331885b73db670e751387e4409daa
Diameter
442739810
Circumference
1390908134.5477
Area
1.5395260080428E+17
Volume
4.5440630152729E+25
Surface area
6.1581040321712E+17
Circumference
1390908134.5477
Perimeter
885479620
Area
49004634839709025
Diagonal
313064321.95224
Surface area
294027809038254150
Volume
1.0848151359026E+25
Space diagonal
383423922.7267
Perimeter
664109715
Area
2.1219629337184E+16
Altitude
191711961.36335
Surface area
2.1219629337184E+16
Volume
1.2784668982176E+24
Height
104354773.98408