1387291489 is an odd 10-digits composite number following 1387291488
and preceding 1387291490 . In scientific notation, it is written as 1.387291489 × 10^9.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 1364812416 positive integers (up to 1387291489) that are relatively prime to 1387291489.
1387291489 has 8 divisors, whose sum is 1409867240
The reverse of 1387291489 is 9841927831
Previous prime number is 397
Is Prime? no Number parity odd Number length 10 Sum of Digits 52 Digital Root 7
Name
one billion three hundred eighty-seven million two hundred ninety-one thousand four hundred eighty-nine
Scientific notation
1.387291489 × 10^9
Engineering notation
1.387291489 × 10^9
Prime Factorization
73 × 397 × 47869
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1387291489 Product of the distinct prime numbers
The prime factorization of 1387291489 is 73 × 397 × 47869.
Since it has a total of 3 prime factors.
2 , 3 , 77 , 3 , 130 , 348 , 1935 , 744 , 1991 , 48588 , 640632 , 534238 , 2568732 , 2454179 , 62261242 , 15270244 , 234403186 , 294655072 , 3484359691 , 4877240467
n×2
2774582978
n×3
4161874467
n×4
5549165956
n×5
6936457445
n÷2
693645744.5
n÷3
462430496.33333
n÷3
346822872.25
n÷5
277458297.8
n2
1924577675451837121
n3
2.6699502290737E+27
n4
3.7039992288476E+36
n5
5.1385266054428E+45
2 √n37246.362090814
3 √n1115.2936785318
4 √n192.99316591738
5 √n67.364880603117
8 divisors
τ Total Divisors
8 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1387291488 Sum of the proper positive divisors of n
A Arithmetic Mean
0.125 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
8 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1387291489 can be divided by 8 positive divisors.
The sum of these divisors (counting 1387291489) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010101100000110001101100001
3
Ternary
10120200102201011021
4
Quaternary
1102230012031201
5
Quinary
10320121311424
6
Senary
345354245441
8
Octal
12254061541
10
Decimal
1387291489
12
Duodecimal
328726881
16
Hexadecimal
52b06361
20
Vigesimal
11dab8e9
36
Base36
mxygyp
md5
593078eea7d28fa2f0e0e58320bb4ae3
sha1
26350cdf31299d0487717778d75e55ccc22d623f
sha256
fc7e5c418eb5bc46a80e859d82723bd10678f8997a68f24f484f7f717f609610
sha512
c35c30ee1964bf715b3c309de4eea5c5d29fcce135f43309b0151a5749a59490523b422b5154b702cc53397904fa159a545cd7964ad4afcfc621c361f758afa6
ripemd-160
75cf839bfcfca6dd7ee1f74590a6895adade8dcb
Diameter
2774582978
Circumference
8716609500.4601
Area
6.0462390864624E+18
Volume
1.1183861366811E+28
Surface area
2.418495634585E+19
Circumference
8716609500.4601
Perimeter
5549165956
Area
1924577675451837121
Diagonal
1961926438.7086
Surface area
1.1547466052711E+19
Volume
2.6699502290737E+27
Space diagonal
2402859343.8559
Perimeter
4161874467
Area
8.3336657924885E+17
Altitude
1201429671.9279
Surface area
8.3336657924885E+17
Volume
3.146566520681E+26
Height
653975479.56952