7129394921 is an odd 10-digits composite number following 7129394920
and preceding 7129394922 . In scientific notation, it is written as 7.129394921 × 10^9.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 6323188000 positive integers (up to 7129394921) that are relatively prime to 7129394921.
7129394921 has 8 divisors, whose sum is 7967217888
The reverse of 7129394921 is 1294939217
Previous prime number is 41
Is Prime? no Number parity odd Number length 10 Sum of Digits 47 Digital Root 2
Name
seven billion one hundred twenty-nine million three hundred ninety-four thousand nine hundred twenty-one
Scientific notation
7.129394921 × 10^9
Engineering notation
7.129394921 × 10^9
Prime Factorization
11 × 41 × 15807971
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
7129394921 Product of the distinct prime numbers
The prime factorization of 7129394921 is 11 × 41 × 15807971.
Since it has a total of 3 prime factors.
8 , 4 , 13 , 79 , 255 , 692 , 4875 , 955 , 57890 , 62907 , 173407 , 18005 , 852130 , 4800346 , 17932914 , 51782646 , 180917622 , 488109232 , 975227311 , 6222315257
n×2
14258789842
n×3
21388184763
n×4
28517579684
n×5
35646974605
n÷2
3564697460.5
n÷3
2376464973.6667
n÷3
1782348730.25
n÷5
1425878984.2
n2
5.0828271939581E+19
n3
3.6237482380925E+29
n4
2.583513228364E+39
n5
1.8418886088634E+49
2 √n84435.744332599
3 √n1924.6461301289
4 √n290.57829294804
5 √n93.456719940449
8 divisors
τ Total Divisors
8 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-7129394920 Sum of the proper positive divisors of n
A Arithmetic Mean
0.125 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
8 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7129394921 can be divided by 8 positive divisors.
The sum of these divisors (counting 7129394921) is 1, the average is 0.125.
Base
System
Value
2
Binary
110101000111100011110111011101001
3
Ternary
200101212012210020202
4
Quaternary
12220330132323221
5
Quinary
104100111114141
6
Senary
3135235401545
8
Octal
65074367351
10
Decimal
7129394921
12
Duodecimal
146b7532b5
16
Hexadecimal
1a8f1eee9
20
Vigesimal
5b7ie761
36
Base36
39wnobt
md5
2284ebe7a61bbce7e365a19107c74290
sha1
91d4d5369b297b40aa2ee5c59c8f341ac4e1a830
sha256
471d5c5ec30ff2763fc50d813ae77b5cbd37b6c0764365322cc8f8599453308a
sha512
6a1d75fabd8f119a812d2a8606a4344521e05ebde1880a4e6396bf48f3512354410d829d1af769fd2cb82ddd4951bb5bc963b9545dfb18138df93684854f0ffe
ripemd-160
b233b7d41a79043176c0b140f77154ef55d7cbc0
Diameter
14258789842
Circumference
44795309416.708
Area
1.5968172572005E+20
Volume
1.5179121124334E+30
Surface area
6.387269028802E+20
Circumference
44795309416.708
Perimeter
28517579684
Area
5.0828271939581E+19
Diagonal
10082486988.792
Surface area
3.0496963163748E+20
Volume
3.6237482380925E+29
Space diagonal
12348474230.396
Perimeter
21388184763
Area
2.200928736507E+19
Altitude
6174237115.1978
Surface area
2.200928736507E+19
Volume
4.2706282541134E+28
Height
3360828996.264