18873889 is an odd 8-digits prime number following 18873888
and preceding 18873890 . In scientific notation, it is written as 1.8873889 × 10^7.
The sum of its digits is 52. It has a total of 1 prime factors and 2 positive divisors.
There are 18873888 positive integers (up to 18873889) that are relatively prime to 18873889.
18873889 has 2 divisors, whose sum is 18873890
The reverse of 18873889 is 98837881
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 52 Digital Root 7
Name
eighteen million eight hundred seventy-three thousand eight hundred eighty-nine
Scientific notation
1.8873889 × 10^7
Engineering notation
1.8873889 × 10^6
Prime Factorization
18873889
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
18873889 Product of the distinct prime numbers
The prime factorization of 18873889 is 18873889.
Since it has a total of 1 prime factors.
5 , 1 , 38 , 17 , 399 , 942 , 9172 , 3332 , 89639 , 12197 , 288805 , 897438 , 4205916 , 4616067 , 10978182 , 35662417 , 632702659 , 391653392 , 7699601472 , 3951562204
n×2
37747778
n×3
56621667
n×4
75495556
n×5
94369445
n÷2
9436944.5
n÷3
6291296.3333333
n÷3
4718472.25
n÷5
3774777.8
n2
356223685984321
n3
6.7233263084389E+21
n4
1.2689531445626E+29
n5
2.3950080796675E+36
2 √n4344.4089356321
3 √n266.24847699835
4 √n65.912130413393
5 √n28.521494559653
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
18873890 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
9436945 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4344.4090507225 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999998940335 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18873889 can be divided by 2 positive divisors.
The sum of these divisors (counting 18873889) is 18873890, the average is 9436945.
Base
System
Value
2
Binary
1000111111111111000100001
3
Ternary
1022111220002221
4
Quaternary
1013333320201
5
Quinary
14312431024
6
Senary
1512311041
8
Octal
107777041
10
Decimal
18873889
12
Duodecimal
63a2481
16
Hexadecimal
11ffe21
20
Vigesimal
5hj4e9
36
Base36
b8j6p
md5
819ee4fb7b5ac740d478efaa4764dc6a
sha1
01468a0f6aa3b6049b9ec1dc79f21469fbcf93a7
sha256
24f1b2eafb2ee8a907d99f33c4eec00b56c898feb89abd500baafe0b090d34b9
sha512
b07e45dccb9a0a9b5fdc0d17cd0efcfab4bcf2d9eaf94a06658614d4ac0260db494b837bad35ba7fa52a0d97e66ccbed37261b7cf34868ff895b40d869771010
ripemd-160
48fdeed928360cd0527b128150328af1ec6fcb40
Diameter
37747778
Circumference
118588142.05414
Area
1.119109714923E+15
Volume
2.8162603384372E+22
Surface area
4.4764388596921E+15
Circumference
118588142.05414
Perimeter
75495556
Area
356223685984321
Diagonal
26691709.798524
Surface area
2137342115905926
Volume
6.7233263084389E+21
Space diagonal
32690534.684415
Perimeter
56621667
Area
1.5424938074608E+14
Altitude
16345267.342208
Surface area
1.5424938074608E+14
Volume
7.9235160413785E+20
Height
8897236.5995081