7129121378 is an even 10-digits composite number following 7129121377
and preceding 7129121379 . In scientific notation, it is written as 7.129121378 × 10^9.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 3536493156 positive integers (up to 7129121378) that are relatively prime to 7129121378.
7129121378 has 8 divisors, whose sum is 10777884672
The reverse of 7129121378 is 8731219217
Previous prime number is 127
Is Prime? no
Number parity even
Number length 10
Sum of Digits 41
Digital Root 5
Name
seven billion one hundred twenty-nine million one hundred twenty-one thousand three hundred seventy-eight
Scientific notation
7.129121378 × 10^9
Engineering notation
7.129121378 × 10^9
Prime Factorization
2 × 127 × 28067407
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
7129121378
Product of the distinct prime numbers
The prime factorization of 7129121378 is 2 × 127 × 28067407.
Since it has a total of 3 prime factors.
2 , 7 , 59 , 32 , 351 , 999 , 8892 , 1371 , 47582 , 40372 , 731055 , 972403 , 8127705 , 2510105 , 38076601 , 59026871 , 368554137 , 762414249 , 2812496966 , 7070745376
n×2
14258242756
n×3
21387364134
n×4
28516485512
n×5
35645606890
n÷2
3564560689
n÷3
2376373792.6667
n÷3
1782280344.5
n÷5
1425824275.6
n2
5.0824371622257E+19
n3
3.6233311425565E+29
n4
2.5831167507972E+39
n5
1.8415352849979E+49
2 √n
84434.124487674
3 √n
1924.6215146594
4 √n
290.57550565675
5 √n
93.456002773728
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
-7129121377
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 7129121378 can be divided by 8 positive divisors.
The sum of these divisors (counting 7129121378) is 1, the average is 0.125.
Base
System
Value
2
Binary
110101000111011011100001001100010
3
Ternary
200101211200220000112
4
Quaternary
12220323130021202
5
Quinary
104100023341003
6
Senary
3135225451322
8
Octal
65073341142
10
Decimal
7129121378
12
Duodecimal
146b640b42
16
Hexadecimal
1a8edc262
20
Vigesimal
5b7h038i
36
Base36
39wht9e
md5
d4a2c15002bf36bd194830aeb01f570f
sha1
9d222b5f40a55f40ebffd2a79a25afcb8d6e7469
sha256
3f1ce7efa3a58aca15656e005723bde3366bae44e70c30a42d62ffe55cfaca0c
sha512
e7b84e400b636ad33a6618290652a28d7a3dcea28c87f8474f33b82b629ffa16405b33c019ee70ad353a6e38f98933f2bf658dc41983080ceb3f298286b00ec2
ripemd-160
7307819b4c90853df1170928811cf813fc508d8d
Diameter
14258242756
Circumference
44793590695.349
Area
1.596694725118E+20
Volume
1.5177373998638E+30
Surface area
6.386778900472E+20
Circumference
44793590695.349
Perimeter
28516485512
Area
5.0824371622257E+19
Diagonal
10082100140.572
Surface area
3.0494622973354E+20
Volume
3.6233311425565E+29
Space diagonal
12348000440.021
Perimeter
21387364134
Area
2.2007598478128E+19
Altitude
6174000220.0107
Surface area
2.2007598478128E+19
Volume
4.2701367023101E+28
Height
3360700046.8572