18889745 is an odd 8-digits composite number following 18889744
and preceding 18889746 . In scientific notation, it is written as 1.8889745 × 10^7.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 12952800 positive integers (up to 18889745) that are relatively prime to 18889745.
18889745 has 8 divisors, whose sum is 23130600
The reverse of 18889745 is 54798881
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
eighteen million eight hundred eighty-nine thousand seven hundred forty-five
Scientific notation
1.8889745 × 10^7
Engineering notation
1.8889745 × 10^6
Prime Factorization
49 × 5 × 77101
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18889745
Product of the distinct prime numbers
The prime factorization of 18889745 is 49 × 5 × 77101.
Since it has a total of 3 prime factors.
3 , 7 , 75 , 96 , 717 , 995 , 7870 , 8568 , 62520 , 83369 , 241853 , 205705 , 320054 , 6526453 , 5173413 , 82573039 , 902663703 , 644701203 , 1575997849 , 6410548704
n×2
37779490
n×3
56669235
n×4
75558980
n×5
94448725
n÷2
9444872.5
n÷3
6296581.6666667
n÷3
4722436.25
n÷5
3777949
n2
356822466165025
n3
6.7402853961285E+21
n4
1.2732227236009E+29
n5
2.4050852577027E+36
2 √n
4346.2334267731
3 √n
266.32301479323
4 √n
65.925969289599
5 √n
28.526285145464
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
-18889744
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 18889745 can be divided by 8 positive divisors.
The sum of these divisors (counting 18889745) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001000000011110000010001
3
Ternary
1022112200212012
4
Quaternary
1020003300101
5
Quinary
14313432440
6
Senary
1512512305
8
Octal
110036021
10
Decimal
18889745
12
Duodecimal
63ab695
16
Hexadecimal
1203c11
20
Vigesimal
5i1475
36
Base36
b8vf5
md5
0b109f8d84815f60953002eb97a45073
sha1
d3c4c5d42e1c2fa896894050a266a9adce88ea9f
sha256
f387b145a7ea71b40cc272836556699a85964b5f16dae0a353d1e33c114b6d5c
sha512
c6631cd14b1ac741e011e70c2a0e34954eb594e0bbea8e9642c66eb99c59dca01a6f66189e86eb15b59d1513d84548ef4ef83261fc83e4da5b90d3c891920f5e
ripemd-160
f23043e1aebe2efc5d55c1b25a4c27a3562d8380
Diameter
37779490
Circumference
118687768.24037
Area
1.1209908383398E+15
Volume
2.8233641444768E+22
Surface area
4.4839633533593E+15
Circumference
118687768.24037
Perimeter
75558980
Area
356822466165025
Diagonal
26714133.568769
Surface area
2140934796990150
Volume
6.7402853961285E+21
Space diagonal
32717998.08202
Perimeter
56669235
Area
1.5450866016996E+14
Altitude
16358999.04101
Surface area
1.5450866016996E+14
Volume
7.9435025178918E+20
Height
8904711.1895898