7129665721 is an odd 10-digits composite number following 7129665720
and preceding 7129665722 . In scientific notation, it is written as 7.129665721 × 10^9.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 7043766052 positive integers (up to 7129665721) that are relatively prime to 7129665721.
7129665721 has 4 divisors, whose sum is 7215565392
The reverse of 7129665721 is 1275669217
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 46
Digital Root 1
Name
seven billion one hundred twenty-nine million six hundred sixty-five thousand seven hundred twenty-one
Scientific notation
7.129665721 × 10^9
Engineering notation
7.129665721 × 10^9
Prime Factorization
83 × 85899587
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
7129665721
Product of the distinct prime numbers
The prime factorization of 7129665721 is 83 × 85899587.
Since it has a total of 2 prime factors.
9 , 3 , 24 , 32 , 248 , 954 , 3759 , 5609 , 71024 , 46708 , 261538 , 954591 , 978929 , 4481916 , 10674092 , 49227264 , 871458390 , 750109044 , 9281099327 , 5829748478
n×2
14259331442
n×3
21388997163
n×4
28518662884
n×5
35648328605
n÷2
3564832860.5
n÷3
2376555240.3333
n÷3
1782416430.25
n÷5
1425933144.2
n2
5.0832133293202E+19
n3
3.6241611826585E+29
n4
2.5839057751379E+39
n5
1.8422384431295E+49
2 √n
84437.347903638
3 √n
1924.6704981423
4 √n
290.58105221029
5 √n
93.457429893974
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
-7129665720
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 7129665721 can be divided by 4 positive divisors.
The sum of these divisors (counting 7129665721) is 1, the average is 0.25.
Base
System
Value
2
Binary
110101000111101100001000010111001
3
Ternary
200101212201112201101
4
Quaternary
12220331201002321
5
Quinary
104100143300341
6
Senary
3135245251401
8
Octal
65075410271
10
Decimal
7129665721
12
Duodecimal
146b863b61
16
Hexadecimal
1a8f610b9
20
Vigesimal
5b808461
36
Base36
39wtha1
md5
fef5d30e2f8ae2d7a800c50bf89e5882
sha1
3ab96c2e518496769f08330ca1172fcf7f95aee6
sha256
e01d6a2750534c0a788d2bcbd0aa00d93db305a7fb2b918156bb984c724ae445
sha512
16607e9764653810bd7921d842c08bc7fc1635c6cb8341845ab986403085aba526e4da093f9ead3a5223087caeb736e862d9889ffe8f22c3d70926abe514d567
ripemd-160
8a06b4a233f241361bbe22fafebe7c54b8888ec7
Diameter
14259331442
Circumference
44797010903.289
Area
1.5969385652022E+20
Volume
1.5180850862487E+30
Surface area
6.3877542608089E+20
Circumference
44797010903.289
Perimeter
28518662884
Area
5.0832133293202E+19
Diagonal
10082869957.825
Surface area
3.0499279975921E+20
Volume
3.6241611826585E+29
Space diagonal
12348943269.754
Perimeter
21388997163
Area
2.2010959380235E+19
Altitude
6174471634.8771
Surface area
2.2010959380235E+19
Volume
4.2711149139515E+28
Height
3360956652.6083