221991738 is an even 9-digits composite number following 221991737
and preceding 221991739 . In scientific notation, it is written as 2.21991738 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 72321600 positive integers (up to 221991738) that are relatively prime to 221991738.
221991738 has 16 divisors, whose sum is 444134880
The reverse of 221991738 is 837199122
Previous prime number is 7979
Is Prime? no
Number parity even
Number length 9
Sum of Digits 42
Digital Root 6
Name
two hundred twenty-one million nine hundred ninety-one thousand seven hundred thirty-eight
Scientific notation
2.21991738 × 10^8
Engineering notation
2.21991738 × 10^6
Prime Factorization
2 × 3 × 7979 × 4637
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
221991738
Product of the distinct prime numbers
The prime factorization of 221991738 is 2 × 3 × 7979 × 4637.
Since it has a total of 4 prime factors.
9 , 2 , 57 , 32 , 135 , 157 , 7604 , 6699 , 99037 , 2713 , 794035 , 62391 , 6264544 , 6710817 , 92901513 , 64640733 , 788010485 , 229840311 , 3842507440 , 4892133840
n×2
443983476
n×3
665975214
n×4
887966952
n×5
1109958690
n÷2
110995869
n÷3
73997246
n÷3
55497934.5
n÷5
44398347.6
n2
49280331740260644
n3
1.0939826492237E+25
n4
2.4285510964301E+33
n5
5.3911827871833E+41
2 √n
14899.387168605
3 √n
605.49738302423
4 √n
122.06304587632
5 √n
46.694675565382
1 , 2 , 3 , 6 , 4637 , 7979 , 9274 , 13911 , 15958 , 23937 , 27822 , 47874 , 36998623 , 73997246 , 110995869 , 221991738
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221991737
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221991738 can be divided by 16 positive divisors.
The sum of these divisors (counting 221991738) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101001110110101001100111010
3
Ternary
120110201100102020
4
Quaternary
31032311030322
5
Quinary
423312213423
6
Senary
34010015310
8
Octal
1516651472
10
Decimal
221991738
12
Duodecimal
62417536
16
Hexadecimal
d3b533a
20
Vigesimal
3978j6i
36
Base36
3o61x6
md5
23c80e17ed96a2bca87bcda0b568ec8e
sha1
e9548c984548d87f29b1eea57e0155ee0b563d26
sha256
53c703bc303fa3d74c47f8c8b5d7b62d93e72b5f75385f8e3b678fae9a3d6f02
sha512
12cd7496593e2ba2b10084aac905fe4b604612e405f96d9839e471cc39cdeefb4d45bc41ade5c17c8469ad81192f505beb9e4afc5271a6620e96adc6face18df
ripemd-160
b28038a354237087b807f037367461c95b2beef3
Diameter
443983476
Circumference
1394815226.5169
Area
1.5481872816167E+17
Volume
4.5824638052745E+25
Surface area
6.1927491264668E+17
Circumference
1394815226.5169
Perimeter
887966952
Area
49280331740260644
Diagonal
313943726.61437
Surface area
295681990441563864
Volume
1.0939826492237E+25
Space diagonal
384500969.07652
Perimeter
665975214
Area
2.1339009596995E+16
Altitude
192250484.53826
Surface area
2.1339009596995E+16
Volume
1.2892709162775E+24
Height
104647908.87146