1381126987 is an odd 10-digits composite number following 1381126986
and preceding 1381126988 . In scientific notation, it is written as 1.381126987 × 10^9.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 1380933360 positive integers (up to 1381126987) that are relatively prime to 1381126987.
1381126987 has 4 divisors, whose sum is 1381320616
The reverse of 1381126987 is 7896211831
Previous prime number is 7417
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 46
Digital Root 1
Name
one billion three hundred eighty-one million one hundred twenty-six thousand nine hundred eighty-seven
Scientific notation
1.381126987 × 10^9
Engineering notation
1.381126987 × 10^9
Prime Factorization
7417 × 186211
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1381126987
Product of the distinct prime numbers
The prime factorization of 1381126987 is 7417 × 186211.
Since it has a total of 2 prime factors.
7 , 3 , 84 , 19 , 373 , 264 , 1310 , 2767 , 52598 , 73029 , 564702 , 997950 , 9838141 , 2814200 , 46955392 , 97059107 , 838320953 , 122160623 , 2109365128 , 6813644720
n×2
2762253974
n×3
4143380961
n×4
5524507948
n×5
6905634935
n÷2
690563493.5
n÷3
460375662.33333
n÷3
345281746.75
n÷5
276225397.4
n2
1907511754219698169
n3
2.6345159617725E+27
n4
3.6386010924863E+36
n5
5.0253701637605E+45
2 √n
37163.516881479
3 √n
1113.6392704372
4 √n
192.77841394067
5 √n
67.304906036881
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
-1381126986
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 1381126987 can be divided by 4 positive divisors.
The sum of these divisors (counting 1381126987) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010010100100101001101001011
3
Ternary
10120020211112001101
4
Quaternary
1102110211031023
5
Quinary
10312032030422
6
Senary
345014202231
8
Octal
12224451513
10
Decimal
1381126987
12
Duodecimal
326653377
16
Hexadecimal
5252534b
20
Vigesimal
11bc0h97
36
Base36
muacej
md5
001c2da3c2aaf6315543a99887cb3090
sha1
e7021716042dbe2e3d36da272be24d0a0cef5564
sha256
6b6328fba830f6a55691646497490dadb1cf411426a494da76e477e57a919443
sha512
039edda831246f3aab026e8b0e6b7f17d97d96c0b58ace49225224ff6febbea897b03d6aaf75d8da04ff4bfe666dcbaebdc8926889fab81674d8c9b08ca6c76f
ripemd-160
3d0e27b8172de3971c3d3916f976eec4b6920936
Diameter
2762253974
Circumference
8677876792.0676
Area
5.9926249136928E+18
Volume
1.1035434655026E+28
Surface area
2.3970499654771E+19
Circumference
8677876792.0676
Perimeter
5524507948
Area
1907511754219698169
Diagonal
1953208516.3749
Surface area
1.1445070525318E+19
Volume
2.6345159617725E+27
Space diagonal
2392182113.1885
Perimeter
4143380961
Area
8.2597681858584E+17
Altitude
1196091056.5943
Surface area
8.2597681858584E+17
Volume
3.1048068361893E+26
Height
651069505.4583