1387268081 is an odd 10-digits composite number following 1387268080
and preceding 1387268082 . In scientific notation, it is written as 1.387268081 × 10^9.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 1387178352 positive integers (up to 1387268081) that are relatively prime to 1387268081.
1387268081 has 4 divisors, whose sum is 1387357812
The reverse of 1387268081 is 1808627831
Previous prime number is 19853
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 44
Digital Root 8
Name
one billion three hundred eighty-seven million two hundred sixty-eight thousand eighty-one
Scientific notation
1.387268081 × 10^9
Engineering notation
1.387268081 × 10^9
Prime Factorization
19853 × 69877
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1387268081
Product of the distinct prime numbers
The prime factorization of 1387268081 is 19853 × 69877.
Since it has a total of 2 prime factors.
10 , 3 , 22 , 48 , 312 , 911 , 6110 , 7057 , 4657 , 28672 , 974901 , 266058 , 2731949 , 929964 , 35122681 , 62888226 , 500414721 , 818519703 , 3040901864 , 3425048709
n×2
2774536162
n×3
4161804243
n×4
5549072324
n×5
6936340405
n÷2
693634040.5
n÷3
462422693.66667
n÷3
346817020.25
n÷5
277453616.2
n2
1924512728561422561
n3
2.6698150798115E+27
n4
3.7037492423949E+36
n5
5.1380931040024E+45
2 √n
37246.047857457
3 √n
1115.2874056513
4 √n
192.99235181078
5 √n
67.364653269816
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
-1387268080
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 1387268081 can be divided by 4 positive divisors.
The sum of these divisors (counting 1387268081) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010101100000000011111110001
3
Ternary
10120200101112001022
4
Quaternary
1102230000133301
5
Quinary
10320120034311
6
Senary
345353545225
8
Octal
12254003761
10
Decimal
1387268081
12
Duodecimal
328715215
16
Hexadecimal
52b007f1
20
Vigesimal
11da8a41
36
Base36
mxxywh
md5
59c6447c7a0d74ebbb3059057bf3bb77
sha1
a88e046f75f8c803fb468f492dbc3a1dfefa50ef
sha256
f8d6a2b6e22dc73a73f3c23bdb46d0f5be1cc47651ec655c0b4ed2b2988b05aa
sha512
3fb30fd8fcaea8178cfdf17f9b41d89fec5b491efed611d61ecf208edd68863b7da6b4d98349d229ab2c0ccdcae1bdcb86d282ae4ac30e290c6201f980becb56
ripemd-160
3da5d6f1d41515c95f625e5cee7621e20e15f514
Diameter
2774536162
Circumference
8716462423.6584
Area
6.0460350497886E+18
Volume
1.1183295254905E+28
Surface area
2.4184140199154E+19
Circumference
8716462423.6584
Perimeter
5549072324
Area
1924512728561422561
Diagonal
1961893334.7975
Surface area
1.1547076371369E+19
Volume
2.6698150798115E+27
Space diagonal
2402818800.0106
Perimeter
4161804243
Area
8.3333845642035E+17
Altitude
1201409400.0053
Surface area
8.3333845642035E+17
Volume
3.146407245748E+26
Height
653964444.9325