18882989 is an odd 8-digits prime number following 18882988
and preceding 18882990 . In scientific notation, it is written as 1.8882989 × 10^7.
The sum of its digits is 53. It has a total of 1 prime factors and 2 positive divisors.
There are 18882988 positive integers (up to 18882989) that are relatively prime to 18882989.
18882989 has 2 divisors, whose sum is 18882990
The reverse of 18882989 is 98928881
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8
Name
eighteen million eight hundred eighty-two thousand nine hundred eighty-nine
Scientific notation
1.8882989 × 10^7
Engineering notation
1.8882989 × 10^6
Prime Factorization
18882989
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
18882989
Product of the distinct prime numbers
The prime factorization of 18882989 is 18882989.
Since it has a total of 1 prime factors.
3 , 7 , 91 , 45 , 625 , 63 , 6518 , 648 , 26569 , 62289 , 712254 , 401490 , 7311485 , 6785345 , 49607713 , 95729494 , 749571817 , 336533704 , 4757088056 , 3786234514
n×2
37765978
n×3
56648967
n×4
75531956
n×5
94414945
n÷2
9441494.5
n÷3
6294329.6666667
n÷3
4720747.25
n÷5
3776597.8
n2
356567273574121
n3
6.7330559046601E+21
n4
1.2714022058408E+29
n5
2.4007873867468E+36
2 √n
4345.4561325596
3 √n
266.2912604765
4 √n
65.920073820951
5 √n
28.524244343328
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
18882990
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9441495
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4345.4562476223
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998940846
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18882989 can be divided by 2 positive divisors.
The sum of these divisors (counting 18882989) is 18882990, the average is 9441495.
Base
System
Value
2
Binary
1001000000010000110101101
3
Ternary
1022112100120222
4
Quaternary
1020002012231
5
Quinary
14313223424
6
Senary
1512421125
8
Octal
110020655
10
Decimal
18882989
12
Duodecimal
63a77a5
16
Hexadecimal
12021ad
20
Vigesimal
5i0799
36
Base36
b8q7h
md5
be39c7d2f9c7b0f218fb361b3c31c43b
sha1
aed157375e3eeb8c30842050c915832da084fb7c
sha256
e06416992e8ac1925ea0d6a20125ec7d7bb1c1f014b8746e4c172a11e415469d
sha512
4055118cbc17120b258c7dfc5eb29cc6accb93534fddff580adc5009d12d1ff238b0dadaa289ac04a57dd0f971e72f46ab2705050ec3c9daa68ee73ef4a82b10
ripemd-160
ff35a29bfbc6f077b61162c7d02a15d168d616a8
Diameter
37765978
Circumference
118645319.04043
Area
1.120189127171E+15
Volume
2.8203358621719E+22
Surface area
4.480756508684E+15
Circumference
118645319.04043
Perimeter
75531956
Area
356567273574121
Diagonal
26704579.141942
Surface area
2139403641444726
Volume
6.7330559046601E+21
Space diagonal
32706296.346764
Perimeter
56648967
Area
1.5439815853667E+14
Altitude
16353148.173382
Surface area
1.5439815853667E+14
Volume
7.9349824804888E+20
Height
8901526.3806473