1438565981 is an odd 10-digits composite number following 1438565980
and preceding 1438565982 . In scientific notation, it is written as 1.438565981 × 10^9.
The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors.
There are 1298423808 positive integers (up to 1438565981) that are relatively prime to 1438565981.
1438565981 has 16 divisors, whose sum is 1586390400
The reverse of 1438565981 is 1895658341
Previous prime number is 257
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 50
Digital Root 5
Name
one billion four hundred thirty-eight million five hundred sixty-five thousand nine hundred eighty-one
Scientific notation
1.438565981 × 10^9
Engineering notation
1.438565981 × 10^9
Prime Factorization
23 × 19 × 257 × 12809
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1438565981
Product of the distinct prime numbers
The prime factorization of 1438565981 is 23 × 19 × 257 × 12809.
Since it has a total of 4 prime factors.
7 , 3 , 94 , 2 , 923 , 944 , 7623 , 330 , 20178 , 11074 , 206236 , 264935 , 4745486 , 3396535 , 22064749 , 70459610 , 370011267 , 849230976 , 438394139 , 6624367444
n×2
2877131962
n×3
4315697943
n×4
5754263924
n×5
7192829905
n÷2
719282990.5
n÷3
479521993.66667
n÷3
359641495.25
n÷5
287713196.2
n2
2069472081690492361
n3
2.9770721353492E+27
n4
4.2827146968964E+36
n5
6.1609676692839E+45
2 √n
37928.432356215
3 √n
1128.8682591722
4 √n
194.75223325091
5 √n
67.855640963465
1 , 19 , 23 , 257 , 437 , 4883 , 5911 , 12809 , 112309 , 243371 , 294607 , 3291913 , 5597533 , 62546347 , 75713999 , 1438565981
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
-1438565980
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 1438565981 can be divided by 16 positive divisors.
The sum of these divisors (counting 1438565981) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010101101111101100011001011101
3
Ternary
10201020220201112112
4
Quaternary
1111233230121131
5
Quinary
10421233102411
6
Senary
354425243405
8
Octal
12557543135
10
Decimal
1438565981
12
Duodecimal
341933565
16
Hexadecimal
55bec65d
20
Vigesimal
129b0ej1
36
Base36
nshgm5
md5
30c18a30d9081807d669172124c2df3e
sha1
592e6a26eeba423b423ea2cde8d79b921a9f7a05
sha256
04fe182546ffc6d5f2b50b1bc0132b33eb4e4ea5e2b096dd0b110dbb0bdbd2ca
sha512
b57e9a177bed0cfe201c25b8ed742da475c7fa6d3b1eacab0badfb717e800e44db18f96c32c10042ef9f282734e6bdcf3e3b1a37b60046dfea31203631426032
ripemd-160
260a224dae65f566781ee3a956054d1812bd1c9f
Diameter
2877131962
Circumference
9038776635.2276
Area
6.501438288648E+18
Volume
1.2470330599493E+28
Surface area
2.6005753154592E+19
Circumference
9038776635.2276
Perimeter
5754263924
Area
2069472081690492361
Diagonal
2034439520.6988
Surface area
1.2416832490143E+19
Volume
2.9770721353492E+27
Space diagonal
2491669369.1322
Perimeter
4315697943
Area
8.9610769758332E+17
Altitude
1245834684.5661
Surface area
8.9610769758332E+17
Volume
3.5085131583116E+26
Height
678146506.89959