389968281 is an odd 9-digits composite number following 389968280
and preceding 389968282 . In scientific notation, it is written as 3.89968281 × 10^8.
The sum of its digits is 54. It has a total of 4 prime factors and 12 positive divisors.
There are 256316760 positive integers (up to 389968281) that are relatively prime to 389968281.
389968281 has 12 divisors, whose sum is 571222080
The reverse of 389968281 is 182869983
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 54
Digital Root 9
Name
three hundred eighty-nine million nine hundred sixty-eight thousand two hundred eighty-one
Scientific notation
3.89968281 × 10^8
Engineering notation
3.89968281 × 10^6
Prime Factorization
3 × 3 × 71 × 610279
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129989427
Product of the distinct prime numbers
The prime factorization of 389968281 is 3 × 3 × 71 × 610279.
Since it has a total of 4 prime factors.
8 , 10 , 13 , 18 , 159 , 42 , 3479 , 4270 , 15737 , 99266 , 950346 , 40023 , 324973 , 1699969 , 88495885 , 36657618 , 210076678 , 113188486 , 5667753048 , 1665062978
n×2
779936562
n×3
1169904843
n×4
1559873124
n×5
1949841405
n÷2
194984140.5
n÷3
129989427
n÷3
97492070.25
n÷5
77993656.2
n2
152075260186094961
n3
5.9304527797399E+25
n4
2.3126884760668E+34
n5
9.018751495003E+42
2 √n
19747.614564803
3 √n
730.59454972671
4 √n
140.52620597171
5 √n
52.264386497043
1 , 3 , 9 , 71 , 213 , 639 , 610279 , 1830837 , 5492511 , 43329809 , 129989427 , 389968281
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-389968280
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 389968281 can be divided by 12 positive divisors.
The sum of these divisors (counting 389968281) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10111001111100111000110011001
3
Ternary
1000011210102220200
4
Quaternary
113033213012121
5
Quinary
1244312441111
6
Senary
102410212413
8
Octal
2717470631
10
Decimal
389968281
12
Duodecimal
aa724109
16
Hexadecimal
173e7199
20
Vigesimal
61h60e1
36
Base36
6g6dg9
md5
2cb952b51a7d083459466bd3354a1a1f
sha1
57e275b7c3fb6094fb369b12b31ac8a5181474bf
sha256
40e33427ed481765242ef5e503eb19ff07be92e9ac66a0d1068128a1e7bb186f
sha512
ce3edd28cc0f2635ef2ec94f83b0e057bb921aa1d0b8cfba77209e5ed3aa3d987bc1c23d56c95739378f8ad44e98f45f53e4dd2259dd874fa8ebbc2465bb5a19
ripemd-160
9a1e055c7388d320d8e3e7a7d2e10afb1dbf3c83
Diameter
779936562
Circumference
2450242973.4453
Area
4.7775852019339E+17
Volume
2.4841422513723E+26
Surface area
1.9110340807736E+18
Circumference
2450242973.4453
Perimeter
1559873124
Area
152075260186094961
Diagonal
551498431.88552
Surface area
912451561116569766
Volume
5.9304527797399E+25
Space diagonal
675444876.0323
Perimeter
1169904843
Area
6.5850519304143E+16
Altitude
337722438.01615
Surface area
6.5850519304143E+16
Volume
6.9891056267678E+24
Height
183832810.62851