389747887 is an odd 9-digits composite number following 389747886
and preceding 389747888 . In scientific notation, it is written as 3.89747887 × 10^8.
The sum of its digits is 61. It has a total of 3 prime factors and 8 positive divisors.
There are 386181432 positive integers (up to 389747887) that are relatively prime to 389747887.
389747887 has 8 divisors, whose sum is 393322496
The reverse of 389747887 is 788747983
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 61
Digital Root 7
Name
three hundred eighty-nine million seven hundred forty-seven thousand eight hundred eighty-seven
Scientific notation
3.89747887 × 10^8
Engineering notation
3.89747887 × 10^6
Prime Factorization
1063 × 127 × 2887
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
389747887
Product of the distinct prime numbers
The prime factorization of 389747887 is 1063 × 127 × 2887.
Since it has a total of 3 prime factors.
7 , 8 , 43 , 44 , 224 , 268 , 2548 , 6371 , 31634 , 99308 , 613614 , 403652 , 4434243 , 5231758 , 94084236 , 64912016 , 685899851 , 968275986 , 3815040936 , 6318541157
n×2
779495774
n×3
1169243661
n×4
1558991548
n×5
1948739435
n÷2
194873943.5
n÷3
129915962.33333
n÷3
97436971.75
n÷5
77949577.4
n2
151903415420964769
n3
5.9204035188404E+25
n4
2.3074647616554E+34
n5
8.9932951518216E+42
2 √n
19742.033507215
3 √n
730.45688981413
4 √n
140.50634685741
5 √n
52.258477625674
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
-389747886
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 389747887 can be divided by 8 positive divisors.
The sum of these divisors (counting 389747887) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111001110110001010010101111
3
Ternary
1000011101020120221
4
Quaternary
113032301102233
5
Quinary
1244233413022
6
Senary
102401352211
8
Octal
2716612257
10
Decimal
389747887
12
Duodecimal
aa638667
16
Hexadecimal
173b14af
20
Vigesimal
61fi9e7
36
Base36
6g1ne7
md5
5a84c54fab3d39e7996edcf1d9e45e30
sha1
c1a4909acc12fef006f3239423c004e0daf790cf
sha256
2ed6f447ac59ede424e764679b1eafec5c3939480c745fe3cdb1ee5f58d93922
sha512
69215bc56662e7db640c9238474e0cdfeab10cc6f9395c25ac4e57762590be3d414922683cb5c286ac5e493587fc7fa33585fd31cde6d938da866ad60ac72f94
ripemd-160
1e1b54173733ce639ee87151cf864ee61a001d6d
Diameter
779495774
Circumference
2448858197.1027
Area
4.772186539417E+17
Volume
2.4799328268102E+26
Surface area
1.9088746157668E+18
Circumference
2448858197.1027
Perimeter
1558991548
Area
151903415420964769
Diagonal
551186747.70166
Surface area
911420492525788614
Volume
5.9204035188404E+25
Space diagonal
675063142.42661
Perimeter
1169243661
Area
6.5776108338088E+16
Altitude
337531571.21331
Surface area
6.5776108338088E+16
Volume
6.9772624592213E+24
Height
183728915.90055