221291251 is an odd 9-digits composite number following 221291250
and preceding 221291252 . In scientific notation, it is written as 2.21291251 × 10^8.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 218259792 positive integers (up to 221291251) that are relatively prime to 221291251.
221291251 has 4 divisors, whose sum is 224322712
The reverse of 221291251 is 152192122
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 25
Digital Root 7
Name
two hundred twenty-one million two hundred ninety-one thousand two hundred fifty-one
Scientific notation
2.21291251 × 10^8
Engineering notation
2.21291251 × 10^6
Prime Factorization
73 × 3031387
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
221291251
Product of the distinct prime numbers
The prime factorization of 221291251 is 73 × 3031387.
Since it has a total of 2 prime factors.
3 , 4 , 53 , 88 , 752 , 568 , 1184 , 7320 , 14541 , 42171 , 644008 , 242374 , 6959564 , 744350 , 12349266 , 42487306 , 503348608 , 607095552 , 5057489880 , 3229453175
n×2
442582502
n×3
663873753
n×4
885165004
n×5
1106456255
n÷2
110645625.5
n÷3
73763750.333333
n÷3
55322812.75
n÷5
44258250.2
n2
48969817769145001
n3
1.0836592235376E+25
n4
2.3980430523433E+33
n5
5.306659470049E+41
2 √n
14875.861353212
3 √n
604.85983684702
4 √n
121.96664032928
5 √n
46.665169623689
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
-221291250
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 221291251 can be divided by 4 positive divisors.
The sum of these divisors (counting 221291251) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101001100001010001011110011
3
Ternary
120102101202112021
4
Quaternary
31030022023303
5
Quinary
423122310001
6
Senary
33543012311
8
Octal
1514121363
10
Decimal
221291251
12
Duodecimal
6213a097
16
Hexadecimal
d30a2f3
20
Vigesimal
393182b
36
Base36
3nr1f7
md5
6afbaea6f73b83285fadbdb44e9dd1b9
sha1
23a49660f08d7e28b6ab173bfee2ef98bb525b25
sha256
8b698954595b3f4605149c1bc7fa9d84ecc76c4fa8a689e1e662918589b8d067
sha512
cda96f73dbb46ad1586df687d6ebb7735232ba182bb5f8e72a5cc5df007d5d06c8b6b345c6d83c77455c66ac1ec8d678dd6503ad8451f2c9a89fb1eae01cf293
ripemd-160
5e0132a629eaa858692595f447f99d236b22030f
Diameter
442582502
Circumference
1390413936.8906
Area
1.5384321975118E+17
Volume
4.5392211408808E+25
Surface area
6.1537287900471E+17
Circumference
1390413936.8906
Perimeter
885165004
Area
48969817769145001
Diagonal
312953088.39871
Surface area
293818906614870006
Volume
1.0836592235376E+25
Space diagonal
383287690.00248
Perimeter
663873753
Area
2.1204553103387E+16
Altitude
191643845.00124
Surface area
2.1204553103387E+16
Volume
1.2771046424313E+24
Height
104317696.1329