389640891 is an odd 9-digits composite number following 389640890
and preceding 389640892 . In scientific notation, it is written as 3.89640891 × 10^8.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 250810560 positive integers (up to 389640891) that are relatively prime to 389640891.
389640891 has 16 divisors, whose sum is 537497600
The reverse of 389640891 is 198046983
Previous prime number is 463
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
three hundred eighty-nine million six hundred forty thousand eight hundred ninety-one
Scientific notation
3.89640891 × 10^8
Engineering notation
3.89640891 × 10^6
Prime Factorization
3 × 31 × 463 × 9049
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
389640891
Product of the distinct prime numbers
The prime factorization of 389640891 is 3 × 31 × 463 × 9049.
Since it has a total of 4 prime factors.
4 , 10 , 84 , 13 , 592 , 889 , 4869 , 1236 , 19486 , 93600 , 328959 , 251273 , 1952088 , 4599784 , 36247046 , 83062152 , 392456988 , 956702432 , 5992615886 , 7472359501
n×2
779281782
n×3
1168922673
n×4
1558563564
n×5
1948204455
n÷2
194820445.5
n÷3
129880297
n÷3
97410222.75
n÷5
77928178.2
n2
151820023939273881
n3
5.915528939934E+25
n4
2.3049319668922E+34
n5
8.9809574527425E+42
2 √n
19739.32346865
3 √n
730.3900405157
4 √n
140.49670269672
5 √n
52.255608046462
1 , 3 , 31 , 93 , 463 , 1389 , 9049 , 14353 , 27147 , 43059 , 280519 , 841557 , 4189687 , 12569061 , 129880297 , 389640891
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-389640890
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 389640891 can be divided by 16 positive divisors.
The sum of these divisors (counting 389640891) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111001110010111001010111011
3
Ternary
1000011011210211010
4
Quaternary
113032113022323
5
Quinary
1244222002031
6
Senary
102355205003
8
Octal
2716271273
10
Decimal
389640891
12
Duodecimal
aa5a6763
16
Hexadecimal
173972bb
20
Vigesimal
61f524b
36
Base36
6fzcu3
md5
b0c3dfa9cba8df8a80246ce924caabaa
sha1
3d45d6abe56f38e5557542d6b80d61f206b3375f
sha256
4a506e2b86be13076335a5b3b90af71f05d4a8e4e810bf185bbfb31839023438
sha512
b0337481a7d6f0e2cecb5f7d0b862fb3c85a7a3db3f7535fc2a6d4a4c3c0727113d41bfbbbd075c236ed8188bf17a3e58f0c8f7cf2679581c67a478784e53fda
ripemd-160
079ded2ecaff452c42335b88e76a27b6ab710044
Diameter
779281782
Circumference
2448185921.4076
Area
4.7695667187545E+17
Volume
2.4778909679726E+26
Surface area
1.9078266875018E+18
Circumference
2448185921.4076
Perimeter
1558563564
Area
151820023939273881
Diagonal
551035432.50734
Surface area
910920143635643286
Volume
5.915528939934E+25
Space diagonal
674877819.91841
Perimeter
1168922673
Area
6.5739998767286E+16
Altitude
337438909.9592
Surface area
6.5739998767286E+16
Volume
6.9715177128877E+24
Height
183678477.50245