389638821 is an odd 9-digits composite number following 389638820
and preceding 389638822 . In scientific notation, it is written as 3.89638821 × 10^8.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 217979520 positive integers (up to 389638821) that are relatively prime to 389638821.
389638821 has 16 divisors, whose sum is 610344000
The reverse of 389638821 is 128836983
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
three hundred eighty-nine million six hundred thirty-eight thousand eight hundred twenty-one
Scientific notation
3.89638821 × 10^8
Engineering notation
3.89638821 × 10^6
Prime Factorization
3 × 13 × 11 × 908249
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
389638821
Product of the distinct prime numbers
The prime factorization of 389638821 is 3 × 13 × 11 × 908249.
Since it has a total of 4 prime factors.
3 , 6 , 41 , 54 , 600 , 478 , 3876 , 3544 , 51317 , 95620 , 580558 , 997566 , 8593667 , 9928822 , 55017276 , 52612700 , 353672404 , 360885746 , 2880151288 , 6548637440
n×2
779277642
n×3
1168916463
n×4
1558555284
n×5
1948194105
n÷2
194819410.5
n÷3
129879607
n÷3
97409705.25
n÷5
77927764.2
n2
151818410830270041
n3
5.9154346602E+25
n4
2.3048829867029E+34
n5
8.9807188948186E+42
2 √n
19739.271035172
3 √n
730.38874709391
4 √n
140.49651609621
5 √n
52.255552523882
1 , 3 , 11 , 13 , 33 , 39 , 143 , 429 , 908249 , 2724747 , 9990739 , 11807237 , 29972217 , 35421711 , 129879607 , 389638821
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
-389638820
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 389638821 can be divided by 16 positive divisors.
The sum of these divisors (counting 389638821) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111001110010110101010100101
3
Ternary
1000011011200222110
4
Quaternary
113032112222211
5
Quinary
1244221420241
6
Senary
102355151233
8
Octal
2716265245
10
Decimal
389638821
12
Duodecimal
aa5a5519
16
Hexadecimal
17396aa5
20
Vigesimal
61f4h11
36
Base36
6fzb8l
md5
52569aebe92bd91e6e950b5c8e8b1777
sha1
1b4123cbaf6c63b589d30698ae55773c9cad7160
sha256
396f7d7bbfb7da18d02c291d9e4840891251cb5a8ce052a4a74d7aa6686c483f
sha512
14582fa3f4d08d17408853340cd5f251ae00acaa085b269d7fae17ccf5483d4cd4b533c3b88828bdfd975c48cef616da6e75fcef2d01c53aa1c6f92005adb8a1
ripemd-160
804e137d554a2305160f472ddd92cc640c0fa69e
Diameter
779277642
Circumference
2448172915.214
Area
4.7695160414405E+17
Volume
2.47785147617E+26
Surface area
1.9078064165762E+18
Circumference
2448172915.214
Perimeter
1558555284
Area
151818410830270041
Diagonal
551032505.08526
Surface area
910910464981620246
Volume
5.9154346602E+25
Space diagonal
674874234.57324
Perimeter
1168916463
Area
6.5739300270598E+16
Altitude
337437117.28662
Surface area
6.5739300270598E+16
Volume
6.9714066031556E+24
Height
183677501.69509