221241921 is an odd 9-digits composite number following 221241920
and preceding 221241922 . In scientific notation, it is written as 2.21241921 × 10^8.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 147460032 positive integers (up to 221241921) that are relatively prime to 221241921.
221241921 has 8 divisors, whose sum is 295058400
The reverse of 221241921 is 129142122
Previous prime number is 7643
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 24
Digital Root 6
Name
two hundred twenty-one million two hundred forty-one thousand nine hundred twenty-one
Scientific notation
2.21241921 × 10^8
Engineering notation
2.21241921 × 10^6
Prime Factorization
3 × 7643 × 9649
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
221241921
Product of the distinct prime numbers
The prime factorization of 221241921 is 3 × 7643 × 9649.
Since it has a total of 3 prime factors.
3 , 7 , 96 , 5 , 371 , 637 , 1351 , 5220 , 23948 , 38631 , 761737 , 909179 , 7737554 , 6902205 , 42256774 , 78948038 , 349353714 , 515585815 , 8330376516 , 7156043026
n×2
442483842
n×3
663725763
n×4
884967684
n×5
1106209605
n÷2
110620960.5
n÷3
73747307
n÷3
55310480.25
n÷5
44248384.2
n2
48947987607770241
n3
1.0829346807427E+25
n4
2.3959054908504E+33
n5
5.300747333302E+41
2 √n
14874.20320555
3 √n
604.81488861247
4 √n
121.95984259399
5 √n
46.663088928589
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
-221241920
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 221241921 can be divided by 8 positive divisors.
The sum of these divisors (counting 221241921) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101001011111110001001000001
3
Ternary
120102022020212020
4
Quaternary
31023332021001
5
Quinary
423114220141
6
Senary
33541552053
8
Octal
1513761101
10
Decimal
221241921
12
Duodecimal
62115629
16
Hexadecimal
d2fe241
20
Vigesimal
392f4g1
36
Base36
3npzcx
md5
3c5bc6f2bd2a0dba282b2c51ce079f6b
sha1
4679f50a342b20793dc83de8f9af8f0eb3580ee3
sha256
1eacfc10f0d7b9656d752a418b36a85734453e1db2cf14231409e6d5b33f552e
sha512
08c6c0552b5302beaf8dbe9e3be753befffb5b2b647aa55e3cf45dfd999233c3e64517662ab92353718861e7fceb895e7db2fc48aef0c6eefb66a2c06654bf44
ripemd-160
7f88c986990c1438016ca390ac8869062c0808a4
Diameter
442483842
Circumference
1390103987.3594
Area
1.5377463827658E+17
Volume
4.5361861831186E+25
Surface area
6.150985531063E+17
Circumference
1390103987.3594
Perimeter
884967684
Area
48947987607770241
Diagonal
312883325.24368
Surface area
293687925646621446
Volume
1.0829346807427E+25
Space diagonal
383202247.93614
Perimeter
663725763
Area
2.1195100366227E+16
Altitude
191601123.96807
Surface area
2.1195100366227E+16
Volume
1.2762507605588E+24
Height
104294441.74789