1279121138 is an even 10-digits composite number following 1279121137
and preceding 1279121139 . In scientific notation, it is written as 1.279121138 × 10^9.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 639560568 positive integers (up to 1279121138) that are relatively prime to 1279121138.
1279121138 has 4 divisors, whose sum is 1918681710
The reverse of 1279121138 is 8311219721
Previous prime number is 2
Is Prime? no
Number parity even
Number length 10
Sum of Digits 35
Digital Root 8
Name
one billion two hundred seventy-nine million one hundred twenty-one thousand one hundred thirty-eight
Scientific notation
1.279121138 × 10^9
Engineering notation
1.279121138 × 10^9
Prime Factorization
2 × 639560569
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1279121138
Product of the distinct prime numbers
The prime factorization of 1279121138 is 2 × 639560569.
Since it has a total of 2 prime factors.
5 , 10 , 95 , 98 , 782 , 346 , 2602 , 228 , 46353 , 7097 , 601402 , 560611 , 7924429 , 6769877 , 38038715 , 34795957 , 22794912 , 118059357 , 785499149 , 576660974
n×2
2558242276
n×3
3837363414
n×4
5116484552
n×5
6395605690
n÷2
639560569
n÷3
426373712.66667
n÷3
319780284.5
n÷5
255824227.6
n2
1636150885678415044
n3
2.0928351828287E+27
n4
2.6769897207063E+36
n5
3.4241941379641E+45
2 √n
35764.80306111
3 √n
1085.5184898988
4 √n
189.11584561086
5 √n
66.279974884172
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
-1279121137
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 1279121138 can be divided by 4 positive divisors.
The sum of these divisors (counting 1279121138) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100001111011101011011110010
3
Ternary
10022010220002022222
4
Quaternary
1030033131123302
5
Quinary
10104423334023
6
Senary
330532001042
8
Octal
11417353362
10
Decimal
1279121138
12
Duodecimal
2b8460182
16
Hexadecimal
4c3dd6f2
20
Vigesimal
jjea2gi
36
Base36
l5k06q
md5
80ad5508bf7f1f1646d69653e3972209
sha1
a4df2be0a7b17bf8da64d79293f4ffa216c465bf
sha256
88c3cc4aeccb6cd90ac1d36747e0314a758f64078f656c5750f49d9c08d0c284
sha512
aa7e03af47d040aa9d28069255417adc8523e35a1677862561d24bb629b8c64956837efca40891a8d2e7cac826d3644816f5995b149eea54ec9add3460d9ed25
ripemd-160
cc483460da1a16d91b65c0491049f1bdc6eb81c6
Diameter
2558242276
Circumference
8036955140.3844
Area
5.1401196026117E+18
Volume
8.7664475140651E+27
Surface area
2.0560478410447E+19
Circumference
8036955140.3844
Perimeter
5116484552
Area
1636150885678415044
Diagonal
1808950461.2777
Surface area
9.8169053140705E+18
Volume
2.0928351828287E+27
Space diagonal
2215502800.0513
Perimeter
3837363414
Area
7.0847411571096E+17
Altitude
1107751400.0257
Surface area
7.0847411571096E+17
Volume
2.4664299161399E+26
Height
602983487.09257