121644218 is an even 9-digits composite number following 121644217
and preceding 121644219 . In scientific notation, it is written as 1.21644218 × 10^8.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 59809536 positive integers (up to 121644218) that are relatively prime to 121644218.
121644218 has 16 divisors, whose sum is 185529960
The reverse of 121644218 is 812446121
Previous prime number is 137
Is Prime? no
Number parity even
Number length 9
Sum of Digits 29
Digital Root 2
Name
one hundred twenty-one million six hundred forty-four thousand two hundred eighteen
Scientific notation
1.21644218 × 10^8
Engineering notation
1.21644218 × 10^6
Prime Factorization
2 × 109 × 137 × 4073
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
121644218
Product of the distinct prime numbers
The prime factorization of 121644218 is 2 × 109 × 137 × 4073.
Since it has a total of 4 prime factors.
5 , 6 , 93 , 4 , 175 , 6 , 7304 , 1140 , 92761 , 53001 , 749335 , 262979 , 8840168 , 6819044 , 61870053 , 90447976 , 116856218 , 664836115 , 1569414026 , 477132447
n×2
243288436
n×3
364932654
n×4
486576872
n×5
608221090
n÷2
60822109
n÷3
40548072.666667
n÷3
30411054.5
n÷5
24328843.6
n2
14797315772831524
n3
1.8000079056852E+24
n4
2.1896055408089E+32
n5
2.6635285374016E+40
2 √n
11029.24376374
3 √n
495.4849758346
4 √n
105.02020645447
5 √n
41.401711446039
1 , 2 , 109 , 137 , 218 , 274 , 4073 , 8146 , 14933 , 29866 , 443957 , 558001 , 887914 , 1116002 , 60822109 , 121644218
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
-121644217
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 121644218 can be divided by 16 positive divisors.
The sum of these divisors (counting 121644218) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111010000000010010010111010
3
Ternary
22110220011111102
4
Quaternary
13100002102322
5
Quinary
222120103333
6
Senary
20023131402
8
Octal
720022272
10
Decimal
121644218
12
Duodecimal
348a3b62
16
Hexadecimal
74024ba
20
Vigesimal
1i05aai
36
Base36
20f9a2
md5
ffe09efef83f0ff2e798128acf44cce8
sha1
ad26190990376541840c7918e90ff0a8529db72f
sha256
95c1494fc1a99f602129bd5948b944da50504d644deee2116823e4c5f2332410
sha512
e4b8729cc270cc6e75f6646716b3bbd244c94fbad25a07444cf11bce81ccad2c280b8a16b686852b544f22ad4f6ad0cd6ea8095b4801b2bec304f24bd28344f6
ripemd-160
8e47fce3b2dc19020f2f71807275450195c147f7
Diameter
243288436
Circumference
764313163.24095
Area
4.6487138524776E+16
Volume
7.539855483872E+24
Surface area
1.859485540991E+17
Circumference
764313163.24095
Perimeter
486576872
Area
14797315772831524
Diagonal
172030902.87987
Surface area
88783894636989144
Volume
1.8000079056852E+24
Space diagonal
210693966.02298
Perimeter
364932654
Area
6.4074256835461E+15
Altitude
105346983.01149
Surface area
6.4074256835461E+15
Volume
2.1213296604989E+23
Height
57343634.29329