391868049 is an odd 9-digits composite number following 391868048
and preceding 391868050 . In scientific notation, it is written as 3.91868049 × 10^8.
The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors.
There are 261245364 positive integers (up to 391868049) that are relatively prime to 391868049.
391868049 has 4 divisors, whose sum is 522490736
The reverse of 391868049 is 940868193
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
three hundred ninety-one million eight hundred sixty-eight thousand forty-nine
Scientific notation
3.91868049 × 10^8
Engineering notation
3.91868049 × 10^6
Prime Factorization
3 × 130622683
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
391868049
Product of the distinct prime numbers
The prime factorization of 391868049 is 3 × 130622683.
Since it has a total of 2 prime factors.
1 , 7 , 6 , 79 , 741 , 846 , 5719 , 735 , 18753 , 78212 , 206154 , 578453 , 1548968 , 2443161 , 79643521 , 98269470 , 862973819 , 763933392 , 5661710311 , 2747396788
n×2
783736098
n×3
1175604147
n×4
1567472196
n×5
1959340245
n÷2
195934024.5
n÷3
130622683
n÷3
97967012.25
n÷5
78373609.8
n2
153560567827066401
n3
6.0175480117725E+25
n4
2.3580847991371E+34
n5
9.2405808961441E+42
2 √n
19795.657326798
3 √n
731.77901560407
4 √n
140.69704093121
5 √n
52.315209754588
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
-391868048
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 391868049 can be divided by 4 positive divisors.
The sum of these divisors (counting 391868049) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111010110110110111010010001
3
Ternary
1000022100221220110
4
Quaternary
113112312322101
5
Quinary
1300304234144
6
Senary
102515031533
8
Octal
2726667221
10
Decimal
391868049
12
Duodecimal
ab29b5a9
16
Hexadecimal
175b6e91
20
Vigesimal
6293a29
36
Base36
6hb3bl
md5
d41e2600bd5fee2697e6e80a68927777
sha1
bcb8757c3abb7c3d6c5b3fb2dc54c1d6185b6339
sha256
64505c7cb4d0fed637ad969c04b31f4d9419529d797aa6015b0b56c83eb36b8b
sha512
16056138cedf559f5d8d80880de2710f39490017374b6dfe3cd540583fc885991dc67dd496e0addceddca08e95ecd92807b1ee25c95cf2190204d52b50bf64f0
ripemd-160
120f9572b540bfc7e903e951aea6ae99423abeae
Diameter
783736098
Circumference
2462179567.8299
Area
4.8242475176659E+17
Volume
2.5206246168544E+26
Surface area
1.9296990070664E+18
Circumference
2462179567.8299
Perimeter
1567472196
Area
153560567827066401
Diagonal
554185109.55648
Surface area
921363406962398406
Volume
6.0175480117725E+25
Space diagonal
678735370.73089
Perimeter
1175604147
Area
6.6493676378901E+16
Altitude
339367685.36545
Surface area
6.6493676378901E+16
Volume
7.0917483420666E+24
Height
184728369.85216