8129121838 is an even 10-digits composite number following 8129121837
and preceding 8129121839 . In scientific notation, it is written as 8.129121838 × 10^9.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 4052160000 positive integers (up to 8129121838) that are relatively prime to 8129121838.
8129121838 has 16 divisors, whose sum is 12230927280
The reverse of 8129121838 is 8381219218
Previous prime number is 421
Is Prime? no
Number parity even
Number length 10
Sum of Digits 43
Digital Root 7
Name
eight billion one hundred twenty-nine million one hundred twenty-one thousand eight hundred thirty-eight
Scientific notation
8.129121838 × 10^9
Engineering notation
8.129121838 × 10^9
Prime Factorization
2 × 2251 × 421 × 4289
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
8129121838
Product of the distinct prime numbers
The prime factorization of 8129121838 is 2 × 2251 × 421 × 4289.
Since it has a total of 4 prime factors.
8 , 10 , 28 , 10 , 628 , 377 , 8865 , 7878 , 33862 , 13028 , 4051 , 931898 , 4233813 , 6618052 , 20420413 , 58383413 , 57021258 , 811742975 , 5217044208 , 2339559680
n×2
16258243676
n×3
24387365514
n×4
32516487352
n×5
40645609190
n÷2
4064560919
n÷3
2709707279.3333
n÷3
2032280459.5
n÷5
1625824367.6
n2
6.6082621857049E+19
n3
5.3719368445043E+29
n4
4.3669129115017E+39
n5
3.5499167113532E+49
2 √n
90161.642831084
3 √n
2010.7027762901
4 √n
300.26928386214
5 √n
95.941990954036
1 , 2 , 421 , 842 , 2251 , 4289 , 4502 , 8578 , 947671 , 1805669 , 1895342 , 3611338 , 9654539 , 19309078 , 4064560919 , 8129121838
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-8129121837
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 8129121838 can be divided by 16 positive divisors.
The sum of these divisors (counting 8129121838) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111100100100010001000111000101110
3
Ternary
202222112101011202121
4
Quaternary
13210202020320232
5
Quinary
113122023344323
6
Senary
3422351143154
8
Octal
74442107056
10
Decimal
8129121838
12
Duodecimal
16aa514aba
16
Hexadecimal
1e4888e2e
20
Vigesimal
670704bi
36
Base36
3qfvajy
md5
fa13e02968c68c26b15b57c84d8c0978
sha1
c3760daa0ba72ebcb65dd1c834280607f9e556b2
sha256
0bb3f9d6cc0c7a4b3670758f48affdad31ad6680dd7cf776c05838aee36ad724
sha512
3155032fef5fa456e4675e9b9afe793f3249fb8a18bcf0a73da5c032dab110434e03b019c1055f31ebd09e0ca08ccb691344a08360a80df657ebbd61555f01c3
ripemd-160
9ba0f6bb9407133b9cc08a4c22b986fc3309700e
Diameter
16258243676
Circumference
51076778892.794
Area
2.0760467935606E+20
Volume
2.2501916434991E+30
Surface area
8.3041871742422E+20
Circumference
51076778892.794
Perimeter
32516487352
Area
6.6082621857049E+19
Diagonal
11496314353.483
Surface area
3.9649573114229E+20
Volume
5.3719368445043E+29
Space diagonal
14080052044.334
Perimeter
24387365514
Area
2.8614614638442E+19
Altitude
7040026022.1668
Surface area
2.8614614638442E+19
Volume
6.3308882847581E+28
Height
3832104784.4943