72188730 is an even 8-digits composite number following 72188729
and preceding 72188731 . In scientific notation, it is written as 7.2188730 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 19169280 positive integers (up to 72188730) that are relatively prime to 72188730.
72188730 has 16 divisors, whose sum is 111155688
The reverse of 72188730 is 03788127
Previous prime number is 257
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
seventy-two million one hundred eighty-eight thousand seven hundred thirty
Scientific notation
7.2188730 × 10^7
Engineering notation
7.2188730 × 10^6
Prime Factorization
2 × 45 × 257 × 3121
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72188730
Product of the distinct prime numbers
The prime factorization of 72188730 is 2 × 45 × 257 × 3121.
Since it has a total of 4 prime factors.
3 , 10 , 70 , 69 , 504 , 738 , 2392 , 8460 , 54955 , 97480 , 430778 , 863641 , 1793608 , 4389747 , 42901038 , 4529669 , 284447644 , 984615702 , 8425244584 , 9037566791
n×2
144377460
n×3
216566190
n×4
288754920
n×5
360943650
n÷2
36094365
n÷3
24062910
n÷3
18047182.5
n÷5
14437746
n2
5211212739012900
n3
3.7619082938916E+23
n4
2.715673821125E+31
n5
1.9604104424126E+39
2 √n
8496.3951179309
3 √n
416.37994211671
4 √n
92.175892281718
5 √n
37.29871588939
1 , 2 , 45 , 90 , 257 , 514 , 3121 , 6242 , 11565 , 23130 , 140445 , 280890 , 802097 , 1604194 , 36094365 , 72188730
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
-72188729
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 72188730 can be divided by 16 positive divisors.
The sum of these divisors (counting 72188730) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010011011000001100111010
3
Ternary
12000211120022200
4
Quaternary
10103120030322
5
Quinary
121440014410
6
Senary
11055131030
8
Octal
423301472
10
Decimal
72188730
12
Duodecimal
20213a76
16
Hexadecimal
44d833a
20
Vigesimal
12b3bga
36
Base36
16z96i
md5
7d752d091fbab4c30d1641146204a312
sha1
40612e67fca760feaae28a44306f1529a96cc359
sha256
37e345980b364880f3ca5709cb3c52023419659314b9e3a1fa1c272f9153bd7d
sha512
8fa3a7dc05dfc9aa7e8da679340353295391b6a7847fc9d62a3f7714715820e211c4efb3c42c585cfb2cb9fe4f084f94353dd87606402b61efd83fba94c31e0b
ripemd-160
1a2daaea34f3af575c71d1f3472ce46360c60e5e
Diameter
144377460
Circumference
453575167.67995
Area
1.6371507657176E+16
Volume
1.5757844612758E+24
Surface area
6.5486030628706E+16
Circumference
453575167.67995
Perimeter
288754920
Area
5211212739012900
Diagonal
102090281.01649
Surface area
31267276434077400
Volume
3.7619082938916E+23
Space diagonal
125034548.09387
Perimeter
216566190
Area
2.2565213082551E+15
Altitude
62517274.046936
Surface area
2.2565213082551E+15
Volume
4.4334514413545E+22
Height
34030093.672163