389621921 is an odd 9-digits composite number following 389621920
and preceding 389621922 . In scientific notation, it is written as 3.89621921 × 10^8.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 352864512 positive integers (up to 389621921) that are relatively prime to 389621921.
389621921 has 8 divisors, whose sum is 427510440
The reverse of 389621921 is 129126983
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
three hundred eighty-nine million six hundred twenty-one thousand nine hundred twenty-one
Scientific notation
3.89621921 × 10^8
Engineering notation
3.89621921 × 10^6
Prime Factorization
13 × 53 × 565489
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
389621921
Product of the distinct prime numbers
The prime factorization of 389621921 is 13 × 53 × 565489.
Since it has a total of 3 prime factors.
6 , 10 , 2 , 30 , 370 , 574 , 985 , 3746 , 26309 , 26150 , 240364 , 113479 , 7618479 , 4070239 , 39212734 , 31778590 , 883609199 , 137389583 , 1939114499 , 1159095202
n×2
779243842
n×3
1168865763
n×4
1558487684
n×5
1948109605
n÷2
194810960.5
n÷3
129873973.66667
n÷3
97405480.25
n÷5
77924384.2
n2
151805241323730241
n3
5.914664974242E+25
n4
2.3044831293356E+34
n5
8.9787714376383E+42
2 √n
19738.842949879
3 √n
730.37818710208
4 √n
140.49499261497
5 √n
52.255099214759
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
-389621920
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 389621921 can be divided by 8 positive divisors.
The sum of these divisors (counting 389621921) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111001110010010100010100001
3
Ternary
1000011010211210112
4
Quaternary
113032102202201
5
Quinary
1244220400141
6
Senary
102354541105
8
Octal
2716224241
10
Decimal
389621921
12
Duodecimal
aa597795
16
Hexadecimal
173928a1
20
Vigesimal
61f2eg1
36
Base36
6fyy75
md5
e93e94749839db1d90751b2dff4671b6
sha1
bc9e834f669d3475787d2f9b12091bfe5f898996
sha256
37adf632e87730257b93a82cb146052c491d732d067e94f7a31fa4cb9a01ba13
sha512
489a756f7ae09bb0eddac68fd0431f95362a80419a36f07cc4db530f5a59eb5f71ef14930dab62b7f98aac9c1380deb59407cc8c66c565b75be55703e9851674
ripemd-160
21e9e5bfe45ba4f8148a0943b9d046662a28ce09
Diameter
779243842
Circumference
2448066729.3823
Area
4.7691023091906E+17
Volume
2.4775290708698E+26
Surface area
1.9076409236762E+18
Circumference
2448066729.3823
Perimeter
1558487684
Area
151805241323730241
Diagonal
551008604.87606
Surface area
910831447942381446
Volume
5.914664974242E+25
Space diagonal
674844962.91459
Perimeter
1168865763
Area
6.5733597706989E+16
Altitude
337422481.45729
Surface area
6.5733597706989E+16
Volume
6.9704995195552E+24
Height
183669534.95869