6728931821 is an odd 10-digits composite number following 6728931820
and preceding 6728931822 . In scientific notation, it is written as 6.728931821 × 10^9.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 6728767644 positive integers (up to 6728931821) that are relatively prime to 6728931821.
6728931821 has 4 divisors, whose sum is 6729096000
The reverse of 6728931821 is 1281398276
Previous prime number is 85199
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 47
Digital Root 2
Name
six billion seven hundred twenty-eight million nine hundred thirty-one thousand eight hundred twenty-one
Scientific notation
6.728931821 × 10^9
Engineering notation
6.728931821 × 10^9
Prime Factorization
85199 × 78979
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
6728931821
Product of the distinct prime numbers
The prime factorization of 6728931821 is 85199 × 78979.
Since it has a total of 2 prime factors.
9 , 1 , 29 , 59 , 997 , 52 , 8973 , 6039 , 73227 , 98219 , 343234 , 273680 , 3399207 , 3101898 , 76718234 , 43504564 , 58730208 , 786709979 , 2547426104 , 255895394
n×2
13457863642
n×3
20186795463
n×4
26915727284
n×5
33644659105
n÷2
3364465910.5
n÷3
2242977273.6667
n÷3
1682232955.25
n÷5
1345786364.2
n2
4.5278523451666E+19
n3
3.0467609726181E+29
n4
2.0501446859631E+39
n5
1.3795283815031E+49
2 √n
82030.066567083
3 √n
1887.9132854404
4 √n
286.40891495741
5 √n
92.38239681124
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
-6728931820
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 6728931821 can be divided by 4 positive divisors.
The sum of these divisors (counting 6728931821) is 1, the average is 0.25.
Base
System
Value
2
Binary
110010001000100110101100111101101
3
Ternary
122100221200011011002
4
Quaternary
12101010311213231
5
Quinary
102240101304241
6
Senary
3031412210045
8
Octal
62104654755
10
Decimal
6728931821
12
Duodecimal
1379609925
16
Hexadecimal
1911359ed
20
Vigesimal
552fg9b1
36
Base36
33a8d0t
md5
a4698df6495c6d06b8a40f3a9b0cf3ae
sha1
2698b047d3d8cac8181779430fbd9ac0fc619141
sha256
172289197b2db24cf986e59ecc6f1341243a2a9549951798898cbfbd44905ec7
sha512
bb34890d14ff62f0510bc0d464094dc296d3e472ece49f731093734a1821c8a478f08fbd91d7f452caa6816a7fab949e3de13d4293ea862840f6e60a38e84110
ripemd-160
1435c8e5d82fec4eace396a25a7b40013ce5cbd5
Diameter
13457863642
Circumference
42279125550.72
Area
1.4224667664115E+20
Volume
1.2762242518428E+30
Surface area
5.6898670656459E+20
Circumference
42279125550.72
Perimeter
26915727284
Area
4.5278523451666E+19
Diagonal
9516146641.5421
Surface area
2.7167114071E+20
Volume
3.0467609726181E+29
Space diagonal
11654851794.639
Perimeter
20186795463
Area
1.9606175777496E+19
Altitude
5827425897.3195
Surface area
1.9606175777496E+19
Volume
3.5906422406547E+28
Height
3172048880.514