7156721961 is an odd 10-digits composite number following 7156721960
and preceding 7156721962 . In scientific notation, it is written as 7.156721961 × 10^9.
The sum of its digits is 45. It has a total of 3 prime factors and 6 positive divisors.
There are 4771147968 positive integers (up to 7156721961) that are relatively prime to 7156721961.
7156721961 has 6 divisors, whose sum is 10337487290
The reverse of 7156721961 is 1691276517
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 45
Digital Root 9
Name
seven billion one hundred fifty-six million seven hundred twenty-one thousand nine hundred sixty-one
Scientific notation
7.156721961 × 10^9
Engineering notation
7.156721961 × 10^9
Prime Factorization
3 × 3 × 795191329
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2385573987
Product of the distinct prime numbers
The prime factorization of 7156721961 is 3 × 3 × 795191329.
Since it has a total of 3 prime factors.
6 , 10 , 91 , 87 , 947 , 810 , 7124 , 6950 , 91064 , 26195 , 412297 , 468660 , 8038143 , 7544399 , 23305978 , 9173032 , 948740636 , 578200227 , 6812530121 , 9736330644
n×2
14313443922
n×3
21470165883
n×4
28626887844
n×5
35783609805
n÷2
3578360980.5
n÷3
2385573987
n÷3
1789180490.25
n÷5
1431344392.2
n2
5.121866922706E+19
n3
3.6655777487049E+29
n4
2.623352077391E+39
n5
1.8774601423699E+49
2 √n
84597.411077408
3 √n
1927.102057371
4 √n
290.85634096132
5 √n
93.528254450486
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-7156721960
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7156721961 can be divided by 6 positive divisors.
The sum of these divisors (counting 7156721961) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
110101010100100101110100100101001
3
Ternary
200110202122010220100
4
Quaternary
12222210232210221
5
Quinary
104124110100321
6
Senary
3142053220013
8
Octal
65244564451
10
Decimal
7156721961
12
Duodecimal
1478931609
16
Hexadecimal
1aa92e929
20
Vigesimal
5bg9a4i1
36
Base36
3acxe09
md5
800b71290140fad9089f480b66b5d01a
sha1
c7b89d258c39c1f95209bfae91721ed4fddfda79
sha256
0797c134680e3e5c9f40f6b1180cf17af7599eabf7a2149a0b4ffd3df98c6f0d
sha512
ffaf9f6315b2a8991ba9119f814a92fd37002d626a0b354c6893cdaf699dd5e574bb4d7e9c852df7512b8d454bb12953ebf7ff07c9e70781de475a84f76c9bd3
ripemd-160
b1ca55649c7c1a497f3b9235aba7dacadd978b18
Diameter
14313443922
Circumference
44967010272.925
Area
1.6090819497038E+20
Volume
1.5354336168658E+30
Surface area
6.4363277988151E+20
Circumference
44967010272.925
Perimeter
28626887844
Area
5.121866922706E+19
Diagonal
10121133259.38
Surface area
3.0731201536236E+20
Volume
3.6655777487049E+29
Space diagonal
12395806052.096
Perimeter
21470165883
Area
2.2178334349333E+19
Altitude
6197903026.048
Surface area
2.2178334349333E+19
Volume
4.3199248051263E+28
Height
3373711086.4599