7644540981 is an odd 10-digits composite number following 7644540980
and preceding 7644540982 . In scientific notation, it is written as 7.644540981 × 10^9.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 3798527040 positive integers (up to 7644540981) that are relatively prime to 7644540981.
7644540981 has 16 divisors, whose sum is 11694875264
The reverse of 7644540981 is 1890454467
Previous prime number is 253
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 48
Digital Root 3
Name
seven billion six hundred forty-four million five hundred forty thousand nine hundred eighty-one
Scientific notation
7.644540981 × 10^9
Engineering notation
7.644540981 × 10^9
Prime Factorization
3 × 7 × 253 × 1438837
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
7644540981
Product of the distinct prime numbers
The prime factorization of 7644540981 is 3 × 7 × 253 × 1438837.
Since it has a total of 4 prime factors.
1 , 6 , 12 , 44 , 523 , 817 , 2228 , 9084 , 68867 , 54121 , 482722 , 314182 , 4879786 , 8456635 , 89664267 , 49573732 , 161783420 , 866913970 , 4628488739 , 6598284161
n×2
15289081962
n×3
22933622943
n×4
30578163924
n×5
38222704905
n÷2
3822270490.5
n÷3
2548180327
n÷3
1911135245.25
n÷5
1528908196.2
n2
5.8439006810188E+19
n3
4.4673938244942E+29
n4
3.4151175169613E+39
n5
2.6107005813341E+49
2 √n
87433.065718869
3 √n
1969.9285346884
4 √n
295.69082792483
5 √n
94.769869509149
1 , 3 , 7 , 21 , 253 , 759 , 1771 , 5313 , 1438837 , 4316511 , 10071859 , 30215577 , 364025761 , 1092077283 , 2548180327 , 7644540981
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-7644540980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7644540981 can be divided by 16 positive divisors.
The sum of these divisors (counting 7644540981) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111000111101001100111000000110101
3
Ternary
201201202112220210110
4
Quaternary
13013221213000311
5
Quinary
111124000302411
6
Senary
3302321013233
8
Octal
70751470065
10
Decimal
7644540981
12
Duodecimal
1594184219
16
Hexadecimal
1c7a67035
20
Vigesimal
5j8i7c91
36
Base36
3ifd1kl
md5
22ce4acabd7c5920aabf4673d5a0dac3
sha1
5cb35cf2f60997737e8c3e4d079d8c798d0c3a2b
sha256
65d24efb1494059c06c82a4c928de0b81936b065eba3928e1055bdbc73a193e0
sha512
a82ba852c2ff7613a7e720b7b7038ed4e99846547685fac6bea69231823911921dc224563c2269e05e6194b31dfc77fc633a54d73e42cd2e16a8f00060afb078
ripemd-160
c03162a274bf60fa53ab0edadd9f45d463de4152
Diameter
15289081962
Circumference
48032067571.951
Area
1.8359155447797E+20
Volume
1.8712975492965E+30
Surface area
7.3436621791189E+20
Circumference
48032067571.951
Perimeter
30578163924
Area
5.8439006810188E+19
Diagonal
10811013533.447
Surface area
3.5063404086113E+20
Volume
4.4673938244942E+29
Space diagonal
13240733379.634
Perimeter
22933622943
Area
2.5304832234778E+19
Altitude
6620366689.8172
Surface area
2.5304832234778E+19
Volume
5.2648741125513E+28
Height
3603671177.8157