7828497981 is an odd 10-digits composite number following 7828497980
and preceding 7828497982 . In scientific notation, it is written as 7.828497981 × 10^9.
The sum of its digits is 63. It has a total of 4 prime factors and 12 positive divisors.
There are 5167324800 positive integers (up to 7828497981) that are relatively prime to 7828497981.
7828497981 has 12 divisors, whose sum is 11419790460
The reverse of 7828497981 is 1897948287
Previous prime number is 101
Is Prime? no Number parity odd Number length 10 Sum of Digits 63 Digital Root 9
Name
seven billion eight hundred twenty-eight million four hundred ninety-seven thousand nine hundred eighty-one
Scientific notation
7.828497981 × 10^9
Engineering notation
7.828497981 × 10^9
Prime Factorization
3 × 3 × 101 × 8612209
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
2609499327 Product of the distinct prime numbers
The prime factorization of 7828497981 is 3 × 3 × 101 × 8612209.
Since it has a total of 4 prime factors.
4 , 1 , 75 , 25 , 537 , 231 , 1246 , 4129 , 21221 , 39621 , 517347 , 507356 , 3666008 , 7966753 , 13864441 , 87257949 , 142340833 , 73141728 , 7871414114 , 6749608130
n×2
15656995962
n×3
23485493943
n×4
31313991924
n×5
39142489905
n÷2
3914248990.5
n÷3
2609499327
n÷3
1957124495.25
n÷5
1565699596.2
n2
6.1285380638521E+19
n3
4.7977247859348E+29
n4
3.7558978800084E+39
n5
2.9403038970488E+49
2 √n88478.799613241
3 √n1985.6048028154
4 √n297.45386131842
5 √n95.221646958029
1 , 3 , 9 , 101 , 303 , 909 , 8612209 , 25836627 , 77509881 , 869833109 , 2609499327 , 7828497981
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-7828497980 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7828497981 can be divided by 12 positive divisors.
The sum of these divisors (counting 7828497981) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111010010100111010110011000111101
3
Ternary
202012120200220100200
4
Quaternary
13102213112120331
5
Quinary
112013043413411
6
Senary
3332451514113
8
Octal
72247263075
10
Decimal
7828497981
12
Duodecimal
16258b8939
16
Hexadecimal
1d29d663d
20
Vigesimal
626824j1
36
Base36
3lgvvp9
md5
f9832a002545d81e6006003a4223a15c
sha1
3ac996b05887fdd3fe239d5a18df693f74b687a8
sha256
990f7e9b928b94271f0c57f32ac0a9c65936d73d81c4588871f6444b60c0b719
sha512
c6c3bcc101024298d8b949ab273af6839580e325d7f579494a3b7967db3218ffee4892a09c0a564297ca47cdda0dc95897dd0eb64c49962daf07da7f7213eee6
ripemd-160
57302c58847bdc689d024fe374adeb2b2811b9d0
Diameter
15656995962
Circumference
49187903491.504
Area
1.9253370158643E+20
Volume
2.0096662588585E+30
Surface area
7.7013480634573E+20
Circumference
49187903491.504
Perimeter
31313991924
Area
6.1285380638521E+19
Diagonal
11071168017.741
Surface area
3.6771228383113E+20
Volume
4.7977247859348E+29
Space diagonal
13559356250.042
Perimeter
23485493943
Area
2.6537348256779E+19
Altitude
6779678125.0212
Surface area
2.6537348256779E+19
Volume
5.6541728840021E+28
Height
3690389339.2469