7972391645 is an odd 10-digits composite number following 7972391644
and preceding 7972391646 . In scientific notation, it is written as 7.972391645 × 10^9.
The sum of its digits is 53. It has a total of 4 prime factors and 16 positive divisors.
There are 6265573440 positive integers (up to 7972391645) that are relatively prime to 7972391645.
7972391645 has 16 divisors, whose sum is 9735769728
The reverse of 7972391645 is 5461932797
Previous prime number is 827
Is Prime? no Number parity odd Number length 10 Sum of Digits 53 Digital Root 8
Name
seven billion nine hundred seventy-two million three hundred ninety-one thousand six hundred forty-five
Scientific notation
7.972391645 × 10^9
Engineering notation
7.972391645 × 10^9
Prime Factorization
5 × 61 × 827 × 31607
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
7972391645 Product of the distinct prime numbers
The prime factorization of 7972391645 is 5 × 61 × 827 × 31607.
Since it has a total of 4 prime factors.
8 , 8 , 37 , 18 , 547 , 65 , 6532 , 1925 , 61455 , 45262 , 402631 , 959601 , 3268998 , 6244403 , 7569242 , 71979463 , 881367749 , 540534900 , 923544476 , 6066723701
n×2
15944783290
n×3
23917174935
n×4
31889566580
n×5
39861958225
n÷2
3986195822.5
n÷3
2657463881.6667
n÷3
1993097911.25
n÷5
1594478329
n2
6.3559028541266E+19
n3
5.067174681067E+29
n4
4.0397501091094E+39
n5
3.2206470017752E+49
2 √n89288.250318841
3 √n1997.6966520625
4 √n298.81139589855
5 √n95.569150372548
1 , 5 , 61 , 305 , 827 , 4135 , 31607 , 50447 , 158035 , 252235 , 1928027 , 9640135 , 26138989 , 130694945 , 1594478329 , 7972391645
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
-7972391644 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 7972391645 can be divided by 16 positive divisors.
The sum of these divisors (counting 7972391645) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111011011001100010000101011011101
3
Ternary
202120121110110100122
4
Quaternary
13123030100223131
5
Quinary
112311413013040
6
Senary
3355032004325
8
Octal
73314205335
10
Decimal
7972391645
12
Duodecimal
1665b306a5
16
Hexadecimal
1db310add
20
Vigesimal
64b78j25
36
Base36
3nuk0rh
md5
d73ab07f0a3128fb634a6e802cb8a2ea
sha1
5ea1114a9d193a54c308e8874bf1f8b1b551206f
sha256
992212e639f3258ec8d99438eea571d6ad3c6e6f210e49cd25e626c79b512dc3
sha512
f02ae892b037c5fc1ef638e52f0615d503c0c94c481c6aeffe5f5036057c55ebe6a84db00e606646abe9ac9e2ac6abfa1218fe9787fdcb296ccd516c3bd961ac
ripemd-160
1911ff44731844b5bec9c7bb1194a0c0ec1d7bdb
Diameter
15944783290
Circumference
50092014046.945
Area
1.9967657713454E+20
Volume
2.1225331669995E+30
Surface area
7.9870630853818E+20
Circumference
50092014046.945
Perimeter
31889566580
Area
6.3559028541266E+19
Diagonal
11274664388.909
Surface area
3.8135417124759E+20
Volume
5.067174681067E+29
Space diagonal
13808587386.978
Perimeter
23917174935
Area
2.7521866678298E+19
Altitude
6904293693.4888
Surface area
2.7521866678298E+19
Volume
5.9717226307321E+28
Height
3758221462.9697