72389487 is an odd 8-digits composite number following 72389486
and preceding 72389488 . In scientific notation, it is written as 7.2389487 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 43731072 positive integers (up to 72389487) that are relatively prime to 72389487.
72389487 has 16 divisors, whose sum is 106018560
The reverse of 72389487 is 78498327
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
seventy-two million three hundred eighty-nine thousand four hundred eighty-seven
Scientific notation
7.2389487 × 10^7
Engineering notation
7.2389487 × 10^6
Prime Factorization
3 × 19 × 23 × 55217
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72389487
Product of the distinct prime numbers
The prime factorization of 72389487 is 3 × 19 × 23 × 55217.
Since it has a total of 4 prime factors.
4 , 10 , 74 , 50 , 87 , 629 , 2570 , 2200 , 74055 , 51474 , 556779 , 490748 , 2992541 , 9739313 , 48657038 , 89301762 , 848279139 , 906082909 , 5005905023 , 9283417211
n×2
144778974
n×3
217168461
n×4
289557948
n×5
361947435
n÷2
36194743.5
n÷3
24129829
n÷3
18097371.75
n÷5
14477897.4
n2
5240237828123169
n3
3.7933812813583E+23
n4
2.7460092495293E+31
n5
1.9878220087068E+39
2 √n
8508.2011612326
3 √n
416.76556933975
4 √n
92.239910891287
5 √n
37.319438410882
1 , 3 , 19 , 23 , 57 , 69 , 437 , 1311 , 55217 , 165651 , 1049123 , 1269991 , 3147369 , 3809973 , 24129829 , 72389487
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
-72389486
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 72389487 can be divided by 16 positive divisors.
The sum of these divisors (counting 72389487) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010100001001001101101111
3
Ternary
12001012202201010
4
Quaternary
10110021031233
5
Quinary
122012430422
6
Senary
11103320303
8
Octal
424111557
10
Decimal
72389487
12
Duodecimal
202b0093
16
Hexadecimal
450936f
20
Vigesimal
12c8de7
36
Base36
173k33
md5
f5e07bdb3a0e36ec9137e774fdd7cfbc
sha1
59a6904016fa72e85dc39aa023ae5806bd795708
sha256
d806f4d81e8fd2eb1bf7407cb626d581fe2db5dd857f9b9a2ef52e902bb099bd
sha512
1435105c6182f0b94d6e369317bc60a3f624ac5897be4d94317157194dc115af4872329d320d20ffcd4905152795097191f77f08993fe27a836fcebdb73eaa88
ripemd-160
c21ee4292b269f4dbe3299808a236274781bf15d
Diameter
144778974
Circumference
454836561.11267
Area
1.6462692663895E+16
Volume
1.5889678354374E+24
Surface area
6.585077065558E+16
Circumference
454836561.11267
Perimeter
289557948
Area
5240237828123169
Diagonal
102374194.28863
Surface area
31441426968739014
Volume
3.7933812813583E+23
Space diagonal
125382269.41785
Perimeter
217168461
Area
2.2690895405134E+15
Altitude
62691134.708923
Surface area
2.2690895405134E+15
Volume
4.470542712791E+22
Height
34124731.429544