18389725 is an odd 8-digits composite number following 18389724
and preceding 18389726 . In scientific notation, it is written as 1.8389725 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors.
There are 14676480 positive integers (up to 18389725) that are relatively prime to 18389725.
18389725 has 12 divisors, whose sum is 22858036
The reverse of 18389725 is 52798381
Previous prime number is 673
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
eighteen million three hundred eighty-nine thousand seven hundred twenty-five
Scientific notation
1.8389725 × 10^7
Engineering notation
1.8389725 × 10^6
Prime Factorization
5 × 5 × 673 × 1093
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
3677945
Product of the distinct prime numbers
The prime factorization of 18389725 is 5 × 5 × 673 × 1093.
Since it has a total of 4 prime factors.
3 , 9 , 69 , 10 , 697 , 236 , 8743 , 5045 , 88426 , 97114 , 966027 , 303968 , 3706039 , 5457688 , 22718001 , 26805485 , 953619580 , 956476634 , 152792277 , 8133760578
n×2
36779450
n×3
55169175
n×4
73558900
n×5
91948625
n÷2
9194862.5
n÷3
6129908.3333333
n÷3
4597431.25
n÷5
3677945
n2
338181985575625
n3
6.2190737146897E+21
n4
1.1436705536787E+29
n5
2.1031786972749E+36
2 √n
4288.3242647916
3 √n
263.95207367682
4 √n
65.485298081261
5 √n
28.373639529009
1 , 5 , 25 , 673 , 1093 , 3365 , 5465 , 16825 , 27325 , 735589 , 3677945 , 18389725
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18389724
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18389725 can be divided by 12 positive divisors.
The sum of these divisors (counting 18389725) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000110001001101011011101
3
Ternary
1021121021221221
4
Quaternary
1012021223131
5
Quinary
14201432400
6
Senary
1454053341
8
Octal
106115335
10
Decimal
18389725
12
Duodecimal
61aa251
16
Hexadecimal
1189add
20
Vigesimal
5eie65
36
Base36
ay5lp
md5
14394f84c96ab49461c3185a09c00620
sha1
2c3858e9c48e441493cb5eee50e7c02c58e54ddd
sha256
bcfb92fe45aec9c7cb156cad50e127bdcd5cd8774c2de11b3517ac68d243c78c
sha512
7b126b09bcea15b41dc485132a15b9eb372825206c615ae8c250b2f5b5af8555504408d3410928a1fbe687dc5e690af30fa98de78bd89a8012361a56f187fa8f
ripemd-160
a55264a948616f19b14049e76e8db7755fd740be
Diameter
36779450
Circumference
115546049.92307
Area
1.0624300414608E+15
Volume
2.6050395058937E+22
Surface area
4.2497201658432E+15
Circumference
115546049.92307
Perimeter
73558900
Area
338181985575625
Diagonal
26006998.503312
Surface area
2029091913453750
Volume
6.2190737146897E+21
Space diagonal
31851938.03722
Perimeter
55169175
Area
1.4643709530538E+14
Altitude
15925969.01861
Surface area
1.4643709530538E+14
Volume
7.3292486605935E+20
Height
8668999.5011039