1387978430 is an even 10-digits composite number following 1387978429
and preceding 1387978431 . In scientific notation, it is written as 1.387978430 × 10^9.
The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors.
There are 522532992 positive integers (up to 1387978430) that are relatively prime to 1387978430.
1387978430 has 16 divisors, whose sum is 2645323920
The reverse of 1387978430 is 0348797831
Previous prime number is 17
Is Prime? no
Number parity even
Number length 10
Sum of Digits 50
Digital Root 5
Name
one billion three hundred eighty-seven million nine hundred seventy-eight thousand four hundred thirty
Scientific notation
1.387978430 × 10^9
Engineering notation
1.387978430 × 10^9
Prime Factorization
2 × 5 × 17 × 8164579
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1387978430
Product of the distinct prime numbers
The prime factorization of 1387978430 is 2 × 5 × 17 × 8164579.
Since it has a total of 4 prime factors.
2 , 7 , 65 , 74 , 928 , 852 , 5327 , 748 , 36244 , 69617 , 255754 , 556759 , 489374 , 8333329 , 62068196 , 67764703 , 133323119 , 695885270 , 8129362262 , 5848662017
n×2
2775956860
n×3
4163935290
n×4
5551913720
n×5
6939892150
n÷2
693989215
n÷3
462659476.66667
n÷3
346994607.5
n÷5
277595686
n2
1926484122145264900
n3
2.6739184072751E+27
n4
3.7113410728778E+36
n5
5.1512613555275E+45
2 √n
37255.582534702
3 √n
1115.4777337069
4 √n
193.01705244538
5 √n
67.371550655641
1 , 2 , 5 , 10 , 17 , 34 , 85 , 170 , 8164579 , 16329158 , 40822895 , 81645790 , 138797843 , 277595686 , 693989215 , 1387978430
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
-1387978429
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 1387978430 can be divided by 16 positive divisors.
The sum of these divisors (counting 1387978430) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010101110101101111010111110
3
Ternary
10120201201121110112
4
Quaternary
1102232231322332
5
Quinary
10320310302210
6
Senary
345421110022
8
Octal
12256557276
10
Decimal
1387978430
12
Duodecimal
3289b8312
16
Hexadecimal
52badebe
20
Vigesimal
11deh61a
36
Base36
myd70e
md5
0cf36dec06ea1079e2cd042847bd8181
sha1
cc67c4ba7a1746d04971ff905d2170911a97571f
sha256
d90139bc2da19b1c1f397f12eab48bc71e1955401543738e87054bb1d36e9557
sha512
b59796c4e5326b6c07c94183db82542567e2f80df9de99a28af39755f159a356074a5d791bae8de39eca9664bf9bad4a5db9c2c3762096e6b1f0162208ea6672
ripemd-160
1af69333e8205ad4f042f9e766f591a7d9f4a1a9
Diameter
2775956860
Circumference
8720925678.0582
Area
6.0522283653889E+18
Volume
1.1200483232792E+28
Surface area
2.4208913461556E+19
Circumference
8720925678.0582
Perimeter
5551913720
Area
1926484122145264900
Diagonal
1962897919.9873
Surface area
1.1558904732872E+19
Volume
2.6739184072751E+27
Space diagonal
2404049160.5697
Perimeter
4163935290
Area
8.3419209488258E+17
Altitude
1202024580.2848
Surface area
8.3419209488258E+17
Volume
3.1512430635396E+26
Height
654299306.66244