221979521 is an odd 9-digits composite number following 221979520
and preceding 221979522 . In scientific notation, it is written as 2.21979521 × 10^8.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 221675952 positive integers (up to 221979521) that are relatively prime to 221979521.
221979521 has 4 divisors, whose sum is 222283092
The reverse of 221979521 is 125979122
Previous prime number is 733
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
two hundred twenty-one million nine hundred seventy-nine thousand five hundred twenty-one
Scientific notation
2.21979521 × 10^8
Engineering notation
2.21979521 × 10^6
Prime Factorization
733 × 302837
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
221979521
Product of the distinct prime numbers
The prime factorization of 221979521 is 733 × 302837.
Since it has a total of 2 prime factors.
10 , 10 , 4 , 64 , 707 , 74 , 5274 , 9477 , 42792 , 14049 , 548463 , 263354 , 3260217 , 4172625 , 22297035 , 25390988 , 945212404 , 58306641 , 2727097951 , 2266566649
n×2
443959042
n×3
665938563
n×4
887918084
n×5
1109897605
n÷2
110989760.5
n÷3
73993173.666667
n÷3
55494880.25
n÷5
44395904.2
n2
49274907743389441
n3
1.0938020418197E+25
n4
2.4280165331195E+33
n5
5.3896994700196E+41
2 √n
14898.977179659
3 √n
605.48627525764
4 √n
122.06136645007
5 √n
46.694161599038
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
-221979520
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 221979521 can be divided by 4 positive divisors.
The sum of these divisors (counting 221979521) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101001110110010001110000001
3
Ternary
120110200201122202
4
Quaternary
31032302032001
5
Quinary
423311321041
6
Senary
34005442545
8
Octal
1516621601
10
Decimal
221979521
12
Duodecimal
62410455
16
Hexadecimal
d3b2381
20
Vigesimal
39778g1
36
Base36
3o5sht
md5
741fb7f731a0ec747383eac5e1123311
sha1
28ff1c300f6336be6299d38570c160642b731a8e
sha256
4789afed1c68fcad06f1ca39f9840f24c282024b14cfb92647a6a455f9c17da5
sha512
1c769e5bf57c44f4e9dbb5556428bd9f74dabe1b564f853e0fc099053ac018b1a1d9e7de4c202055a30e4214d56fb376e8500c084daa7f2b78fa3661e3d49bb6
ripemd-160
24bdc340730ce97ea70bfe8cb79b9abd3b96d21b
Diameter
443959042
Circumference
1394738464.842
Area
1.5480168817295E+17
Volume
4.5817072787496E+25
Surface area
6.1920675269179E+17
Circumference
1394738464.842
Perimeter
887918084
Area
49274907743389441
Diagonal
313926449.16728
Surface area
295649446460336646
Volume
1.0938020418197E+25
Space diagonal
384479808.6118
Perimeter
665938563
Area
2.1336660937455E+16
Altitude
192239904.3059
Surface area
2.1336660937455E+16
Volume
1.2890580684106E+24
Height
104642149.72243