389945561 is an odd 9-digits composite number following 389945560
and preceding 389945562 . In scientific notation, it is written as 3.89945561 × 10^8.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 378710640 positive integers (up to 389945561) that are relatively prime to 389945561.
389945561 has 8 divisors, whose sum is 401344704
The reverse of 389945561 is 165549983
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
three hundred eighty-nine million nine hundred forty-five thousand five hundred sixty-one
Scientific notation
3.89945561 × 10^8
Engineering notation
3.89945561 × 10^6
Prime Factorization
67 × 71 × 81973
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
389945561
Product of the distinct prime numbers
The prime factorization of 389945561 is 67 × 71 × 81973.
Since it has a total of 3 prime factors.
7 , 8 , 52 , 28 , 334 , 580 , 8854 , 8811 , 37254 , 84324 , 266719 , 566467 , 6921943 , 3999782 , 26659421 , 43794161 , 575712969 , 487563573 , 5748274882 , 1559018638
n×2
779891122
n×3
1169836683
n×4
1559782244
n×5
1949727805
n÷2
194972780.5
n÷3
129981853.66667
n÷3
97486390.25
n÷5
77989112.2
n2
152057540543604721
n3
5.9294162951556E+25
n4
2.312149563617E+34
n5
9.0161245870054E+42
2 √n
19747.039297069
3 √n
730.58036102526
4 √n
140.52415912244
5 √n
52.263777486212
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
-389945560
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 389945561 can be divided by 8 positive divisors.
The sum of these divisors (counting 389945561) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111001111100001100011011001
3
Ternary
1000011202021202012
4
Quaternary
113033201203121
5
Quinary
1244311224221
6
Senary
102405515305
8
Octal
2717414331
10
Decimal
389945561
12
Duodecimal
aa712b35
16
Hexadecimal
173e18d9
20
Vigesimal
61h33i1
36
Base36
6g5vx5
md5
286b243340a865bf2b18262eb20534c6
sha1
bdb0bda98d13e9d7f6bd9ae01998b846d8c629b2
sha256
2d1cbff0bb6cf6fb3169415cc2c7bbe916bb5f1d4ac97412dd35665e6d302e84
sha512
cbd581a7d7027ab46c74578a83255247cbe11709456ce44d6aa91d7d757ae9baed1df4b8b32dd13a9577584f3cb31243340f4843d863bde6ee0fa9a5f8a652dd
ripemd-160
78cc7a4f3f7dd72f5d2549245beda57e57509c1f
Diameter
779891122
Circumference
2450100219.4751
Area
4.7770285229472E+17
Volume
2.4837080897249E+26
Surface area
1.9108114091789E+18
Circumference
2450100219.4751
Perimeter
1559782244
Area
152057540543604721
Diagonal
551466300.95339
Surface area
912345243261628326
Volume
5.9294162951556E+25
Space diagonal
675405523.83795
Perimeter
1169836683
Area
6.5842846473872E+16
Altitude
337702761.91897
Surface area
6.5842846473872E+16
Volume
6.9878841179709E+24
Height
183822100.3178