393996861 is an odd 9-digits composite number following 393996860
and preceding 393996862 . In scientific notation, it is written as 3.93996861 × 10^8.
The sum of its digits is 54. It has a total of 2 prime factors and 4 positive divisors.
There are 262664568 positive integers (up to 393996861) that are relatively prime to 393996861.
393996861 has 4 divisors, whose sum is 437774300
The reverse of 393996861 is 168699393
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 54
Digital Root 9
Name
three hundred ninety-three million nine hundred ninety-six thousand eight hundred sixty-one
Scientific notation
3.93996861 × 10^8
Engineering notation
3.93996861 × 10^6
Prime Factorization
9 × 43777429
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
393996861
Product of the distinct prime numbers
The prime factorization of 393996861 is 9 × 43777429.
Since it has a total of 2 prime factors.
10 , 8 , 97 , 92 , 270 , 846 , 4753 , 9793 , 85141 , 8295 , 223501 , 279676 , 8525543 , 9543671 , 65309185 , 88834492 , 975297292 , 308914135 , 6346998956 , 9677853609
n×2
787993722
n×3
1181990583
n×4
1575987444
n×5
1969984305
n÷2
196998430.5
n÷3
131332287
n÷3
98499215.25
n÷5
78799372.2
n2
155233526477853321
n3
6.1161522154235E+25
n4
2.409744774275E+34
n5
9.4943187687552E+42
2 √n
19849.354170854
3 √n
733.10174613308
4 √n
140.88773605553
5 √n
52.371926819586
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
-393996860
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 393996861 can be divided by 4 positive divisors.
The sum of these divisors (counting 393996861) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111011110111110101000111101
3
Ternary
1000110101010002100
4
Quaternary
113132332220331
5
Quinary
1301330344421
6
Senary
103032415313
8
Octal
2736765075
10
Decimal
393996861
12
Duodecimal
abb47539
16
Hexadecimal
177bea3d
20
Vigesimal
6329c31
36
Base36
6ikpx9
md5
acbb66723a0ec57c123ce5d298f807cd
sha1
53137139a46d76d7a919d36fbb4ea088f0f9b73d
sha256
73571d4fb6846b9e0aa1bd6b0b11a5e2e699d6d56a95b10c00132517615809c5
sha512
b7be951944ccf33c3e920b35bfb7a2f348f162e6ca4b28a45c8cbe08797b56d81200511e204fbddff48fd37078f484ee50af06325c61b0199aeab25109a7b92c
ripemd-160
df879644da2b1afa712903ae9d7b955d0397fb4b
Diameter
787993722
Circumference
2475555288.1101
Area
4.8768050637366E+17
Volume
2.5619278490948E+26
Surface area
1.9507220254946E+18
Circumference
2475555288.1101
Perimeter
1575987444
Area
155233526477853321
Diagonal
557195704.35863
Surface area
931401158867119926
Volume
6.1161522154235E+25
Space diagonal
682422581.27465
Perimeter
1181990583
Area
6.7218088724433E+16
Altitude
341211290.63733
Surface area
6.7218088724433E+16
Volume
7.2079545104918E+24
Height
185731901.45288