389905581 is an odd 9-digits composite number following 389905580
and preceding 389905582 . In scientific notation, it is written as 3.89905581 × 10^8.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 239941872 positive integers (up to 389905581) that are relatively prime to 389905581.
389905581 has 8 divisors, whose sum is 559864480
The reverse of 389905581 is 185509983
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
three hundred eighty-nine million nine hundred five thousand five hundred eighty-one
Scientific notation
3.89905581 × 10^8
Engineering notation
3.89905581 × 10^6
Prime Factorization
13 × 3 × 9997579
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
389905581
Product of the distinct prime numbers
The prime factorization of 389905581 is 13 × 3 × 9997579.
Since it has a total of 3 prime factors.
6 , 8 , 19 , 61 , 362 , 852 , 7357 , 6028 , 63489 , 45244 , 118684 , 962231 , 1785302 , 8749563 , 96663489 , 99579238 , 777015913 , 795558875 , 6041950328 , 655508367
n×2
779811162
n×3
1169716743
n×4
1559622324
n×5
1949527905
n÷2
194952790.5
n÷3
129968527
n÷3
97476395.25
n÷5
77981116.2
n2
152026362094947561
n3
5.9275927039947E+25
n4
2.3112014771824E+34
n5
9.0115035476887E+42
2 √n
19746.026967469
3 √n
730.55539206888
4 √n
140.5205570992
5 √n
52.262705751216
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
-389905580
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 389905581 can be divided by 8 positive divisors.
The sum of these divisors (counting 389905581) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111001111010111110010101101
3
Ternary
1000011200020220110
4
Quaternary
113033113302231
5
Quinary
1244303434311
6
Senary
102405010233
8
Octal
2717276255
10
Decimal
389905581
12
Duodecimal
aa6b3979
16
Hexadecimal
173d7cad
20
Vigesimal
61gi3j1
36
Base36
6g512l
md5
c517c4363da472f43f7bae0a6a6e9e41
sha1
8961a0741d8ddcc17cf8296818eb8fe807758229
sha256
139163126206a9797da1aed3910a316e4a12de5df49ddb53d0c1b4075d038bad
sha512
845df9b20546f2f0dcf95b615a4c5425340072ad69f6ff2641f4026abe3bc3d935edc4c329342b67fdbf057e67dc330a2754301fdf850c008dea59bb51037d82
ripemd-160
3a2a5b266e080b9a771bfc1a0f086117c6c16909
Diameter
779811162
Circumference
2449849017.7265
Area
4.7760490230947E+17
Volume
2.4829442256456E+26
Surface area
1.9104196092379E+18
Circumference
2449849017.7265
Perimeter
1559622324
Area
152026362094947561
Diagonal
551409760.69516
Surface area
912158172569685366
Volume
5.9275927039947E+25
Space diagonal
675336276.44666
Perimeter
1169716743
Area
6.5829345809578E+16
Altitude
337668138.22333
Surface area
6.5829345809578E+16
Volume
6.9857349951776E+24
Height
183803253.56505