389940981 is an odd 9-digits composite number following 389940980
and preceding 389940982 . In scientific notation, it is written as 3.89940981 × 10^8.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 255055632 positive integers (up to 389940981) that are relatively prime to 389940981.
389940981 has 8 divisors, whose sum is 529731360
The reverse of 389940981 is 189049983
Previous prime number is 53
Is Prime? no Number parity odd Number length 9 Sum of Digits 51 Digital Root 6
Name
three hundred eighty-nine million nine hundred forty thousand nine hundred eighty-one
Scientific notation
3.89940981 × 10^8
Engineering notation
3.89940981 × 10^6
Prime Factorization
3 × 53 × 2452459
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
389940981 Product of the distinct prime numbers
The prime factorization of 389940981 is 3 × 53 × 2452459.
Since it has a total of 3 prime factors.
1 , 9 , 86 , 86 , 227 , 48 , 8323 , 7819 , 74277 , 11578 , 40210 , 725253 , 5472070 , 2312228 , 44855813 , 61869589 , 208086592 , 618250484 , 2706811672 , 3436643005
n×2
779881962
n×3
1169822943
n×4
1559763924
n×5
1949704905
n÷2
194970490.5
n÷3
129980327
n÷3
97485245.25
n÷5
77988196.2
n2
152053968663242361
n3
5.9292073705488E+25
n4
2.3120409386242E+34
n5
9.0155951171929E+42
2 √n19746.923329977
3 √n730.57750073613
4 √n140.52374649851
5 √n52.263654715626
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
-389940980 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 389940981 can be divided by 8 positive divisors.
The sum of these divisors (counting 389940981) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111001111100000011011110101
3
Ternary
1000011202001110120
4
Quaternary
113033200123311
5
Quinary
1244311102411
6
Senary
102405442153
8
Octal
2717403365
10
Decimal
389940981
12
Duodecimal
aa710359
16
Hexadecimal
173e06f5
20
Vigesimal
61h2c91
36
Base36
6g5sdx
md5
10071e0042d0627deebf398c61f7dbda
sha1
b3d9deaa3acc944f92221f4b37765e181ec05c5f
sha256
172ae3548c5160fa9207196f086e9504b7a09d2265aa9d76bda87c74eea50593
sha512
99560dafbd3df5d59ec53ee60f5d40d9d0a578f15c4f1a4b0e8194378168708ab8e864112403708c9619aec0006796e89f29f0d90a267dec66349ae8852854ed
ripemd-160
57d2c4129c1fb9f3ccb4c0093f6bbe8dd632d0ac
Diameter
779881962
Circumference
2450071442.4864
Area
4.7769163090161E+17
Volume
2.4836205755902E+26
Surface area
1.9107665236065E+18
Circumference
2450071442.4864
Perimeter
1559763924
Area
152053968663242361
Diagonal
551459823.85527
Surface area
912323811979454166
Volume
5.9292073705488E+25
Space diagonal
675397591.04525
Perimeter
1169822943
Area
6.5841299804305E+16
Altitude
337698795.52263
Surface area
6.5841299804305E+16
Volume
6.9876378979605E+24
Height
183819941.28509