389905908 is an even 9-digits composite number following 389905907
and preceding 389905909 . In scientific notation, it is written as 3.89905908 × 10^8.
The sum of its digits is 51. It has a total of 5 prime factors and 24 positive divisors.
There are 111291264 positive integers (up to 389905908) that are relatively prime to 389905908.
389905908 has 24 divisors, whose sum is 715536360
The reverse of 389905908 is 809509983
Previous prime number is 1493
Is Prime? no
Number parity even
Number length 9
Sum of Digits 51
Digital Root 6
Name
three hundred eighty-nine million nine hundred five thousand nine hundred eight
Scientific notation
3.89905908 × 10^8
Engineering notation
3.89905908 × 10^6
Prime Factorization
2 × 2 × 21 × 1493 × 3109
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
194952954
Product of the distinct prime numbers
The prime factorization of 389905908 is 2 × 2 × 21 × 1493 × 3109.
Since it has a total of 5 prime factors.
8 , 5 , 66 , 76 , 985 , 815 , 8159 , 8539 , 86254 , 90388 , 388802 , 766243 , 8577284 , 6310980 , 91626518 , 35513550 , 475676938 , 619361424 , 2185567917 , 8988979046
n×2
779811816
n×3
1169717724
n×4
1559623632
n×5
1949529540
n÷2
194952954
n÷3
129968636
n÷3
97476477
n÷5
77981181.6
n2
152026617093304464
n3
5.9276076177933E+25
n4
2.3112092304834E+34
n5
9.0115413358962E+42
2 √n
19746.035247614
3 √n
730.55559629913
4 √n
140.52058656159
5 √n
52.262714517389
1 , 2 , 4 , 21 , 42 , 84 , 1493 , 2986 , 3109 , 5972 , 6218 , 12436 , 31353 , 62706 , 65289 , 125412 , 130578 , 261156 , 4641737 , 9283474 , 18566948 , 97476477 , 194952954 , 389905908
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-389905907
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 389905908 can be divided by 24 positive divisors.
The sum of these divisors (counting 389905908) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
10111001111010111110111110100
3
Ternary
1000011200021100120
4
Quaternary
113033113313310
5
Quinary
1244303442113
6
Senary
102405011540
8
Octal
2717276764
10
Decimal
389905908
12
Duodecimal
aa6b3bb0
16
Hexadecimal
173d7df4
20
Vigesimal
61gi4f8
36
Base36
6g51bo
md5
0562708b26ad418bbb2be99e21ac749e
sha1
5db6766a65ab02b2f5a1d64db5f7e4d8ca6e25f4
sha256
ce59024500182660a71a70b21f091cc8d283410b6c205b79994c566caee7bc95
sha512
c1a3e595699e91489613155c06284cbbd14b7292922a2707f6376acbfbbc536f2ca77b0210cf353b12d7685f8a9542e02845fc6edc19b90e967263635a1e4e58
ripemd-160
cf0b95e5e942c51c6cb79f678c12998c1708f493
Diameter
779811816
Circumference
2449851072.3281
Area
4.7760570341043E+17
Volume
2.482950472723E+26
Surface area
1.9104228136417E+18
Circumference
2449851072.3281
Perimeter
1559623632
Area
152026617093304464
Diagonal
551410223.143
Surface area
912159702559826784
Volume
5.9276076177933E+25
Space diagonal
675336842.82728
Perimeter
1169717724
Area
6.5829456227106E+16
Altitude
337668421.41364
Surface area
6.5829456227106E+16
Volume
6.9857525712578E+24
Height
183803407.71433