72218218 is an even 8-digits composite number following 72218217
and preceding 72218219 . In scientific notation, it is written as 7.2218218 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 35600460 positive integers (up to 72218218) that are relatively prime to 72218218.
72218218 has 8 divisors, whose sum is 109853280
The reverse of 72218218 is 81281227
Previous prime number is 71
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
seventy-two million two hundred eighteen thousand two hundred eighteen
Scientific notation
7.2218218 × 10^7
Engineering notation
7.2218218 × 10^6
Prime Factorization
2 × 71 × 508579
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72218218
Product of the distinct prime numbers
The prime factorization of 72218218 is 2 × 71 × 508579.
Since it has a total of 3 prime factors.
7 , 2 , 27 , 99 , 916 , 142 , 5062 , 6927 , 63095 , 24550 , 664079 , 702129 , 875413 , 4297673 , 79558783 , 77115572 , 707172098 , 251584640 , 4207365349 , 6695085099
n×2
144436436
n×3
216654654
n×4
288872872
n×5
361091090
n÷2
36109109
n÷3
24072739.333333
n÷3
18054554.5
n÷5
14443643.6
n2
5215471011095524
n3
3.7665202245198E+23
n4
2.7201137867578E+31
n5
1.9644177043688E+39
2 √n
8498.1302649465
3 √n
416.43662935996
4 √n
92.185303953214
5 √n
37.301762583429
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
-72218217
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 72218218 can be divided by 8 positive divisors.
The sum of these divisors (counting 72218218) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010011011111011001101010
3
Ternary
12000220001202211
4
Quaternary
10103133121222
5
Quinary
121441440333
6
Senary
11055515334
8
Octal
423373152
10
Decimal
72218218
12
Duodecimal
20228b4a
16
Hexadecimal
44df66a
20
Vigesimal
12b75ai
36
Base36
16zvxm
md5
cf59e0f207d5a842414db0e1905199be
sha1
a502c746c63f9ed820fe82e396a3e4893f21995a
sha256
2cb2b3a72573f9220695d90ab122885ceb61c5515d47068fb335877c2ed88263
sha512
4ec2a8443f4a12bad941e2363635b32f479d10c06b2619ea3161fdee39fc3e703edd1a23087c9379139de31b14be3be4ceedac854c3431de7d3d510cf789e4d7
ripemd-160
56027b35de8c438c1d18037309bf4040afee9dba
Diameter
144436436
Circumference
453760446.24829
Area
1.6384885413468E+16
Volume
1.5777163022598E+24
Surface area
6.5539541653873E+16
Circumference
453760446.24829
Perimeter
288872872
Area
5215471011095524
Diagonal
102131983.34602
Surface area
31292826066573144
Volume
3.7665202245198E+23
Space diagonal
125085622.80809
Perimeter
216654654
Area
2.258365194155E+15
Altitude
62542811.404043
Surface area
2.258365194155E+15
Volume
4.4388866537237E+22
Height
34043994.448672