7131561681 is an odd 10-digits composite number following 7131561680
and preceding 7131561682 . In scientific notation, it is written as 7.131561681 × 10^9.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 4754374452 positive integers (up to 7131561681) that are relatively prime to 7131561681.
7131561681 has 4 divisors, whose sum is 9508748912
The reverse of 7131561681 is 1861651317
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 39
Digital Root 3
Name
seven billion one hundred thirty-one million five hundred sixty-one thousand six hundred eighty-one
Scientific notation
7.131561681 × 10^9
Engineering notation
7.131561681 × 10^9
Prime Factorization
3 × 2377187227
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
7131561681
Product of the distinct prime numbers
The prime factorization of 7131561681 is 3 × 2377187227.
Since it has a total of 2 prime factors.
10 , 7 , 68 , 13 , 272 , 866 , 7014 , 8314 , 49773 , 1618 , 817934 , 508671 , 8571337 , 2960425 , 4272948 , 36584685 , 463298094 , 198359083 , 147849155 , 4286265184
n×2
14263123362
n×3
21394685043
n×4
28526246724
n×5
35657808405
n÷2
3565780840.5
n÷3
2377187227
n÷3
1782890420.25
n÷5
1426312336.2
n2
5.0859172009908E+19
n3
3.6270532223324E+29
n4
2.5866553775334E+39
n5
1.844689237237E+49
2 √n
84448.574179793
3 √n
1924.8410893502
4 √n
290.60036851283
5 √n
93.4623999083
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
-7131561680
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 7131561681 can be divided by 4 positive divisors.
The sum of these divisors (counting 7131561681) is 1, the average is 0.25.
Base
System
Value
2
Binary
110101001000100101111111011010001
3
Ternary
200102000021212111010
4
Quaternary
12221010233323101
5
Quinary
104101134433211
6
Senary
3135354041133
8
Octal
65104577321
10
Decimal
7131561681
12
Duodecimal
14704191a9
16
Hexadecimal
1a912fed1
20
Vigesimal
5b8c5441
36
Base36
39xy47l
md5
fd5dea56add49e71b62bd6151be73e6d
sha1
411e0441fd9019464f0549b0180fee8ac8cde048
sha256
e390ef4cf8a7115a46dc5c16abe91d563127c7f293769986c9dd95aa6e172bd7
sha512
390cbb00c2062d6b3d3674ffeba0f5812c1f3cb4e1be90525c41ed17590344f3cc62bdf096db11baf428f93db263a568998e7a2b0fa116179dbc628b654256b3
ripemd-160
32f7f658e7f0d0090bc525185a5250249b73ef57
Diameter
14263123362
Circumference
44808923571.304
Area
1.5977880115399E+20
Volume
1.5192965009945E+30
Surface area
6.3911520461594E+20
Circumference
44808923571.304
Perimeter
28526246724
Area
5.0859172009908E+19
Diagonal
10085551250.17
Surface area
3.0515503205945E+20
Volume
3.6270532223324E+29
Space diagonal
12352227168.803
Perimeter
21394685043
Area
2.2022667488011E+19
Altitude
6176113584.4017
Surface area
2.2022667488011E+19
Volume
4.274523215393E+28
Height
3361850416.7235