389621918 is an even 9-digits composite number following 389621917
and preceding 389621919 . In scientific notation, it is written as 3.89621918 × 10^8.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 166980816 positive integers (up to 389621918) that are relatively prime to 389621918.
389621918 has 8 divisors, whose sum is 667923312
The reverse of 389621918 is 819126983
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 47
Digital Root 2
Name
three hundred eighty-nine million six hundred twenty-one thousand nine hundred eighteen
Scientific notation
3.89621918 × 10^8
Engineering notation
3.89621918 × 10^6
Prime Factorization
2 × 7 × 27830137
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
389621918
Product of the distinct prime numbers
The prime factorization of 389621918 is 2 × 7 × 27830137.
Since it has a total of 3 prime factors.
1 , 8 , 53 , 66 , 585 , 431 , 9575 , 3569 , 65288 , 40714 , 901292 , 551955 , 6178261 , 834927 , 61313577 , 15657868 , 975129245 , 857275775 , 7432246945 , 5493417290
n×2
779243836
n×3
1168865754
n×4
1558487672
n×5
1948109590
n÷2
194810959
n÷3
129873972.66667
n÷3
97405479.5
n÷5
77924383.6
n2
151805238985998724
n3
5.9146648376173E+25
n4
2.3044830583596E+34
n5
8.9787710919658E+42
2 √n
19738.842873887
3 √n
730.3781852275
4 √n
140.49499234452
5 √n
52.255099134289
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
-389621917
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 389621918 can be divided by 8 positive divisors.
The sum of these divisors (counting 389621918) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111001110010010100010011110
3
Ternary
1000011010211210102
4
Quaternary
113032102202132
5
Quinary
1244220400133
6
Senary
102354541102
8
Octal
2716224236
10
Decimal
389621918
12
Duodecimal
aa597792
16
Hexadecimal
1739289e
20
Vigesimal
61f2efi
36
Base36
6fyy72
md5
1d87fa683182b9c1b41529714935c367
sha1
648c0c4e78da85c2b410a0207335d7f8acba8960
sha256
e4723f97aee41d66c952a43dbb8ce443810f430e7a084477bdc2849c085031d5
sha512
9ccf57893b9fa01bc367e1c659fba41207b4b90ffb42a5a4bf129fc4c820db589ba194b1f8caa15ce2e145a29b32b65226d5e0951172705cfbfcba8ebe2ce19d
ripemd-160
3dce63b0d737c4c1da23bea6ce1e75767c066b1b
Diameter
779243836
Circumference
2448066710.5327
Area
4.7691022357486E+17
Volume
2.4775290136406E+26
Surface area
1.9076408942994E+18
Circumference
2448066710.5327
Perimeter
1558487672
Area
151805238985998724
Diagonal
551008600.63342
Surface area
910831433915992344
Volume
5.9146648376173E+25
Space diagonal
674844957.71843
Perimeter
1168865754
Area
6.5733596694721E+16
Altitude
337422478.85922
Surface area
6.5733596694721E+16
Volume
6.9704993585414E+24
Height
183669533.54447