221247897 is an odd 9-digits composite number following 221247896
and preceding 221247898 . In scientific notation, it is written as 2.21247897 × 10^8.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 136152528 positive integers (up to 221247897) that are relatively prime to 221247897.
221247897 has 4 divisors, whose sum is 226920960
The reverse of 221247897 is 798742122
Previous prime number is 39
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
two hundred twenty-one million two hundred forty-seven thousand eight hundred ninety-seven
Scientific notation
2.21247897 × 10^8
Engineering notation
2.21247897 × 10^6
Prime Factorization
39 × 5673023
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
221247897
Product of the distinct prime numbers
The prime factorization of 221247897 is 39 × 5673023.
Since it has a total of 2 prime factors.
8 , 6 , 45 , 85 , 77 , 454 , 6303 , 6580 , 22548 , 64890 , 517368 , 767683 , 9287408 , 9574854 , 50407493 , 60918518 , 48765447 , 553791877 , 2461617765 , 1812919402
n×2
442495794
n×3
663743691
n×4
884991588
n×5
1106239485
n÷2
110623948.5
n÷3
73749299
n÷3
55311974.25
n÷5
44249579.4
n2
48950631926922609
n3
1.0830224370653E+25
n4
2.3961643660451E+33
n5
5.3014632685381E+41
2 √n
14874.404088904
3 √n
604.82033414651
4 √n
121.96066615472
5 √n
46.663341010659
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221247896
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221247897 can be divided by 4 positive divisors.
The sum of these divisors (counting 221247897) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101001011111111100110011001
3
Ternary
120102022120001120
4
Quaternary
31023333212121
5
Quinary
423114413042
6
Senary
33542035453
8
Octal
1513774631
10
Decimal
221247897
12
Duodecimal
62118b89
16
Hexadecimal
d2ff999
20
Vigesimal
392fjeh
36
Base36
3nq3yx
md5
797fa2c45fa62ca48a5b070ff26b85bb
sha1
45d13b33f5e95c5af038faad30ea815280f01b2e
sha256
7ac907e56180655f1d323bb87a9da158d2de070dd1c6ba238ada220ed62f6c06
sha512
93cc743d87ed0ae6ff8d3711ab8923dcc19584026d70933621536508c27bcdbcb4f0bcf441d1f4cfd635c69fb68326c34230ba40fae38a9a05a078c725ae3727
ripemd-160
4e4f612dbfba622897735450d7b4586754537392
Diameter
442495794
Circumference
1390141535.6748
Area
1.537829456502E+17
Volume
4.5365537759429E+25
Surface area
6.1513178260079E+17
Circumference
1390141535.6748
Perimeter
884991588
Area
48950631926922609
Diagonal
312891776.58393
Surface area
293703791561535654
Volume
1.0830224370653E+25
Space diagonal
383212598.67177
Perimeter
663743691
Area
2.1196245390008E+16
Altitude
191606299.33588
Surface area
2.1196245390008E+16
Volume
1.2763541823767E+24
Height
104297258.86131