389888921 is an odd 9-digits prime number following 389888920
and preceding 389888922 . In scientific notation, it is written as 3.89888921 × 10^8.
The sum of its digits is 56. It has a total of 1 prime factors and 2 positive divisors.
There are 389888920 positive integers (up to 389888921) that are relatively prime to 389888921.
389888921 has 2 divisors, whose sum is 389888922
The reverse of 389888921 is 129888983
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 56
Digital Root 2
Name
three hundred eighty-nine million eight hundred eighty-eight thousand nine hundred twenty-one
Scientific notation
3.89888921 × 10^8
Engineering notation
3.89888921 × 10^6
Prime Factorization
389888921
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
389888921
Product of the distinct prime numbers
The prime factorization of 389888921 is 389888921.
Since it has a total of 1 prime factors.
9 , 4 , 46 , 28 , 200 , 921 , 7716 , 4075 , 53965 , 27255 , 431406 , 812424 , 4302256 , 7174438 , 35891690 , 94719781 , 598640003 , 438928873 , 6622038832 , 8584935482
n×2
779777842
n×3
1169666763
n×4
1559555684
n×5
1949444605
n÷2
194944460.5
n÷3
129962973.66667
n÷3
97472230.25
n÷5
77977784.2
n2
152013370718544241
n3
5.9268329087026E+25
n4
2.3108064877214E+34
n5
9.0095784813748E+42
2 √n
19745.605105947
3 √n
730.54498679234
4 √n
140.51905602425
5 √n
52.262259124339
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
389888922
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
194944461
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
19745.605131269
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999948703
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 389888921 can be divided by 2 positive divisors.
The sum of these divisors (counting 389888921) is 389888922, the average is 194944461.
Base
System
Value
2
Binary
10111001111010011101110011001
3
Ternary
1000011122102001102
4
Quaternary
113033103232121
5
Quinary
1244302421141
6
Senary
102404401145
8
Octal
2717235631
10
Decimal
389888921
12
Duodecimal
aa6a61b5
16
Hexadecimal
173d3b99
20
Vigesimal
61gg261
36
Base36
6g4o7t
md5
5540cb505ea53efffabba949e919639a
sha1
3831d4693852b7f3d2e0f810bffa3f968e4ec8cf
sha256
04a83e97a3623e6fe9dbbc44b0b2430777e8b36a875c3f83bf537812c721728d
sha512
910b42c990d6fd80c190f5e33d7a0ce47a506b3589f76e61a65fa98c2e0e1401fb016cf48b2c62d3067f1a4cc7453b6c7ad671ca18edbbdf7eb7fe67ddd749a1
ripemd-160
dcdbffc55ed24fa21e3ccd5064b7ce8ebf23d053
Diameter
779777842
Circumference
2449744339.8593
Area
4.775640886968E+17
Volume
2.4826259633379E+26
Surface area
1.9102563547872E+18
Circumference
2449744339.8593
Perimeter
1559555684
Area
152013370718544241
Diagonal
551386199.89721
Surface area
912080224311265446
Volume
5.9268329087026E+25
Space diagonal
675307420.48021
Perimeter
1169666763
Area
6.582372037858E+16
Altitude
337653710.2401
Surface area
6.582372037858E+16
Volume
6.9848395678387E+24
Height
183795399.96574