221640251 is an odd 9-digits composite number following 221640250
and preceding 221640252 . In scientific notation, it is written as 2.21640251 × 10^8.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 189887400 positive integers (up to 221640251) that are relatively prime to 221640251.
221640251 has 8 divisors, whose sum is 253423104
The reverse of 221640251 is 152046122
Previous prime number is 12451
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 23
Digital Root 5
Name
two hundred twenty-one million six hundred forty thousand two hundred fifty-one
Scientific notation
2.21640251 × 10^8
Engineering notation
2.21640251 × 10^6
Prime Factorization
7 × 12451 × 2543
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
221640251
Product of the distinct prime numbers
The prime factorization of 221640251 is 7 × 12451 × 2543.
Since it has a total of 3 prime factors.
5 , 8 , 54 , 31 , 301 , 960 , 4442 , 1160 , 50007 , 13805 , 166993 , 446562 , 4059966 , 8675860 , 79252587 , 10788921 , 472031092 , 291658885 , 5681327902 , 6982654342
n×2
443280502
n×3
664920753
n×4
886561004
n×5
1108201255
n÷2
110820125.5
n÷3
73880083.666667
n÷3
55410062.75
n÷5
44328050.2
n2
49124400863343001
n3
1.0887944537576E+25
n4
2.4132067601824E+33
n5
5.3486375204173E+41
2 √n
14887.587145001
3 √n
605.17764607735
4 √n
122.01470052826
5 √n
46.679879540904
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
-221640250
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 221640251 can be divided by 8 positive divisors.
The sum of these divisors (counting 221640251) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101001101011111011000111011
3
Ternary
120110001111021012
4
Quaternary
31031133120323
5
Quinary
423214442001
6
Senary
33554304135
8
Octal
1515373073
10
Decimal
221640251
12
Duodecimal
6228804b
16
Hexadecimal
d35f63b
20
Vigesimal
39550cb
36
Base36
3nyipn
md5
137310ac51f624837847252b1134a288
sha1
c672e990882229bd8b4cc30c5794e306a0439235
sha256
d100dca5caaf7d4d0639ad80c4850d78cbd0568148f774c63979103ed02b66d5
sha512
b22de43856b4205f5822eb00231b6dc3ddd63f4ebf050921212d5be75fc8a829fabecef4af571151c7b7a3a05b2ab7107a56195f7a0dd4aefb0d59f70755e9b6
ripemd-160
8ed518e4d28ed7e73889eaf7dcdf9cfb198765f2
Diameter
443280502
Circumference
1392606768.5628
Area
1.5432885686428E+17
Volume
4.5607315429256E+25
Surface area
6.1731542745711E+17
Circumference
1392606768.5628
Perimeter
886561004
Area
49124400863343001
Diagonal
313446648.93198
Surface area
294746405180058006
Volume
1.0887944537576E+25
Space diagonal
383892175.73432
Perimeter
664920753
Area
2.1271489546673E+16
Altitude
191946087.86716
Surface area
2.1271489546673E+16
Volume
1.2831565692838E+24
Height
104482216.31066