18389961 is an odd 8-digits composite number following 18389960
and preceding 18389962 . In scientific notation, it is written as 1.8389961 × 10^7.
The sum of its digits is 45. It has a total of 3 prime factors and 6 positive divisors.
There are 12259968 positive integers (up to 18389961) that are relatively prime to 18389961.
18389961 has 6 divisors, whose sum is 26563290
The reverse of 18389961 is 16998381
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
eighteen million three hundred eighty-nine thousand nine hundred sixty-one
Scientific notation
1.8389961 × 10^7
Engineering notation
1.8389961 × 10^6
Prime Factorization
3 × 3 × 2043329
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
6129987
Product of the distinct prime numbers
The prime factorization of 18389961 is 3 × 3 × 2043329.
Since it has a total of 3 prime factors.
4 , 10 , 76 , 39 , 134 , 614 , 9605 , 3518 , 36087 , 41949 , 566484 , 912344 , 174890 , 7980114 , 31076964 , 99242931 , 77243712 , 500448645 , 8198021709 , 277183032
n×2
36779922
n×3
55169883
n×4
73559844
n×5
91949805
n÷2
9194980.5
n÷3
6129987
n÷3
4597490.25
n÷5
3677992.2
n2
338190665581521
n3
6.2193131506082E+21
n4
1.1437292628647E+29
n5
2.1033136538641E+36
2 √n
4288.3517812791
3 √n
263.95320279327
4 √n
65.485508177605
5 √n
28.373712353856
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18389960
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18389961 can be divided by 6 positive divisors.
The sum of these divisors (counting 18389961) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1000110001001101111001001
3
Ternary
1021121022021200
4
Quaternary
1012021233021
5
Quinary
14201434321
6
Senary
1454054413
8
Octal
106115711
10
Decimal
18389961
12
Duodecimal
61aa409
16
Hexadecimal
1189bc9
20
Vigesimal
5eiei1
36
Base36
ay5s9
md5
f526ad464a0bd41e532ed63a1e8810a7
sha1
d4aa4272ac31e76c1a41e31318453518b7ffdcff
sha256
f973cde03d2358db621f3c9bfc375fe675db704851db62225f4e2b3970fd0721
sha512
c1b9103ec68d02f832385101a4105be805cfe075c5eaaf38b4bdb532d3f6cb47205995795520a01dbb4310d1ab756aef6cedde215121f4db83d8bae47f49a339
ripemd-160
27928a36387ccf99ff8bb34611b5b42d595cd0af
Diameter
36779922
Circumference
115547532.75481
Area
1.0624573105035E+15
Volume
2.6051398005767E+22
Surface area
4.2498292420142E+15
Circumference
115547532.75481
Perimeter
73559844
Area
338190665581521
Diagonal
26007332.257712
Surface area
2029143993489126
Volume
6.2193131506082E+21
Space diagonal
31852346.80121
Perimeter
55169883
Area
1.4644085385818E+14
Altitude
15926173.400605
Surface area
1.4644085385818E+14
Volume
7.3295308385296E+20
Height
8669110.7525708