389612721 is an odd 9-digits composite number following 389612720
and preceding 389612722 . In scientific notation, it is written as 3.89612721 × 10^8.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 259741812 positive integers (up to 389612721) that are relatively prime to 389612721.
389612721 has 4 divisors, whose sum is 519483632
The reverse of 389612721 is 127216983
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
three hundred eighty-nine million six hundred twelve thousand seven hundred twenty-one
Scientific notation
3.89612721 × 10^8
Engineering notation
3.89612721 × 10^6
Prime Factorization
3 × 129870907
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
389612721
Product of the distinct prime numbers
The prime factorization of 389612721 is 3 × 129870907.
Since it has a total of 2 prime factors.
10 , 6 , 84 , 35 , 76 , 863 , 8848 , 4871 , 1598 , 84915 , 573113 , 588755 , 118795 , 5547981 , 44750765 , 51314067 , 685185198 , 775508249 , 4129190306 , 964372443
n×2
779225442
n×3
1168838163
n×4
1558450884
n×5
1948063605
n÷2
194806360.5
n÷3
129870907
n÷3
97403180.25
n÷5
77922544.2
n2
151798072365023841
n3
5.9142460016692E+25
n4
2.3042654773737E+34
n5
8.9777114254593E+42
2 √n
19738.609905462
3 √n
730.37243833912
4 √n
140.4941632434
5 √n
52.254852436317
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-389612720
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 389612721 can be divided by 4 positive divisors.
The sum of these divisors (counting 389612721) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111001110010000010010110001
3
Ternary
1000011010101011210
4
Quaternary
113032100102301
5
Quinary
1244220101341
6
Senary
102354430333
8
Octal
2716202261
10
Decimal
389612721
12
Duodecimal
aa5923a9
16
Hexadecimal
173904b1
20
Vigesimal
61f1bg1
36
Base36
6fyr3l
md5
4fee611761245c0088bce56a56a4403e
sha1
d60234eabeac6814466697d631270ae46f230f9d
sha256
16dbb261bd7f75b0d6951d4315a50093210b7aff06b5767240d8a2fbb08db679
sha512
a4211f05a18c0a0242081e68c541daa89fdc7b6ebd75f3473f404da9e78d48e84b6586a38a5b03f0c0068930e57be2ecbc2b3ea4c0dfdf5a198d1cddc2c3fcfc
ripemd-160
5c94ef822f57d2aa4807ed1b987401df1cabcb20
Diameter
779225442
Circumference
2448008924.0775
Area
4.7688770897105E+17
Volume
2.4773535720489E+26
Surface area
1.9075508358842E+18
Circumference
2448008924.0775
Perimeter
1558450884
Area
151798072365023841
Diagonal
550995594.11128
Surface area
910788434190143046
Volume
5.9142460016692E+25
Space diagonal
674829028.04716
Perimeter
1168838163
Area
6.573049345681E+16
Altitude
337414514.02358
Surface area
6.573049345681E+16
Volume
6.9700057556428E+24
Height
183665198.03709