390996839 is an odd 9-digits composite number following 390996838
and preceding 390996840 . In scientific notation, it is written as 3.90996839 × 10^8.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 370418040 positive integers (up to 390996839) that are relatively prime to 390996839.
390996839 has 4 divisors, whose sum is 411575640
The reverse of 390996839 is 938699093
Previous prime number is 19
Is Prime? no Number parity odd Number length 9 Sum of Digits 56 Digital Root 2
Name
three hundred ninety million nine hundred ninety-six thousand eight hundred thirty-nine
Scientific notation
3.90996839 × 10^8
Engineering notation
3.90996839 × 10^6
Prime Factorization
19 × 20578781
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
390996839 Product of the distinct prime numbers
The prime factorization of 390996839 is 19 × 20578781.
Since it has a total of 2 prime factors.
7 , 6 , 61 , 63 , 119 , 314 , 3390 , 7905 , 87683 , 26370 , 113356 , 27603 , 5374552 , 7631664 , 49949665 , 40083374 , 722292643 , 418931175 , 4389730255 , 9302675272
n×2
781993678
n×3
1172990517
n×4
1563987356
n×5
1954984195
n÷2
195498419.5
n÷3
130332279.66667
n÷3
97749209.75
n÷5
78199367.8
n2
152878528107991921
n3
5.9775021241197E+25
n4
2.3371844356466E+34
n5
9.1383172649782E+42
2 √n19773.640003803
3 √n731.23631061134
4 √n140.61877543132
5 √n52.291927366671
4 divisors
τ Total Divisors
4 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-390996838 Sum of the proper positive divisors of n
A Arithmetic Mean
0.25 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
4 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 390996839 can be divided by 4 positive divisors.
The sum of these divisors (counting 390996839) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111010011100010001101100111
3
Ternary
1000020201200211102
4
Quaternary
113103202031213
5
Quinary
1300043344324
6
Senary
102444230315
8
Octal
2723421547
10
Decimal
390996839
12
Duodecimal
aab3b39b
16
Hexadecimal
174e2367
20
Vigesimal
623ec1j
36
Base36
6gsf3b
md5
b486b137adc468cfc189882838d908a2
sha1
8722270a76a30c4e8c54bf70e7abf00b9511c18a
sha256
92d977d435c3805e3bdb41987df68fd5467ec5ce340a4dbfce2a2e15936e20fb
sha512
2e7bc68e61e5125b2daa78a61d123312030b07aba668e314c964e7231bc8c653f4e36a8d86e04774c7b7387bae396291208f5a57e008d701e4f2caef970f2fbd
ripemd-160
ab66c86ea155e791ec1780e31ad7795bc0f029fb
Diameter
781993678
Circumference
2456705593.9585
Area
4.8028206079569E+17
Volume
2.5038502346603E+26
Surface area
1.9211282431828E+18
Circumference
2456705593.9585
Perimeter
1563987356
Area
152878528107991921
Diagonal
552953032.55881
Surface area
917271168647951526
Volume
5.9775021241197E+25
Space diagonal
677226390.74683
Perimeter
1172990517
Area
6.6198344517347E+16
Altitude
338613195.37341
Surface area
6.6198344517347E+16
Volume
7.0445538108701E+24
Height
184317677.5196