221821901 is an odd 9-digits composite number following 221821900
and preceding 221821902 . In scientific notation, it is written as 2.21821901 × 10^8.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 189429840 positive integers (up to 221821901) that are relatively prime to 221821901.
221821901 has 8 divisors, whose sum is 254448384
The reverse of 221821901 is 109128122
Previous prime number is 271
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 26
Digital Root 8
Name
two hundred twenty-one million eight hundred twenty-one thousand nine hundred one
Scientific notation
2.21821901 × 10^8
Engineering notation
2.21821901 × 10^6
Prime Factorization
7 × 271 × 116933
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
221821901
Product of the distinct prime numbers
The prime factorization of 221821901 is 7 × 271 × 116933.
Since it has a total of 3 prime factors.
4 , 10 , 49 , 13 , 391 , 443 , 9228 , 5959 , 24924 , 93212 , 101982 , 289389 , 4820218 , 1028421 , 77546330 , 832065 , 215325478 , 286762460 , 2738954674 , 1672922295
n×2
443643802
n×3
665465703
n×4
887287604
n×5
1109109505
n÷2
110910950.5
n÷3
73940633.666667
n÷3
55455475.25
n÷5
44364380.2
n2
49204955763253801
n3
1.0914736826026E+25
n4
2.4211276716638E+33
n5
5.3705914269216E+41
2 √n
14893.686615476
3 √n
605.34292968538
4 √n
122.03969278671
5 √n
46.687528532147
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
-221821900
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 221821901 can be divided by 8 positive divisors.
The sum of these divisors (counting 221821901) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101001110001011101111001101
3
Ternary
120110101201102222
4
Quaternary
31032023233031
5
Quinary
423241300101
6
Senary
34002225125
8
Octal
1516135715
10
Decimal
221821901
12
Duodecimal
623551a5
16
Hexadecimal
d38bbcd
20
Vigesimal
3967ef1
36
Base36
3o2evh
md5
63705849ac610e35140988197718c2ad
sha1
247a0f3349778fa319aff657f3b0509377e15751
sha256
54c089a6f68fb9f64929fdea2c779d6c92d774ef23ef153794cb2d8884fbf91c
sha512
8c00eb4052358c868e33e8782d07a8f45064169d3e6755ccecd0fe010c0dc52f08aa6f8e6e809b96b00872b4a5614aa047e2ff8ce78a32f589abff1bd0f05139
ripemd-160
cc8c3d5ae784e02f65f6a9f1aca153237bf2e9db
Diameter
443643802
Circumference
1393748109.1738
Area
1.5458192754605E+17
Volume
4.5719542704678E+25
Surface area
6.183277101842E+17
Circumference
1393748109.1738
Perimeter
887287604
Area
49204955763253801
Diagonal
313703540.82558
Surface area
295229734579522806
Volume
1.0914736826026E+25
Space diagonal
384206802.76351
Perimeter
665465703
Area
2.1306370841534E+16
Altitude
192103401.38176
Surface area
2.1306370841534E+16
Volume
1.2863140707582E+24
Height
104567846.94186