1387666444 is an even 10-digits composite number following 1387666443
and preceding 1387666445 . In scientific notation, it is written as 1.387666444 × 10^9.
The sum of its digits is 49. It has a total of 5 prime factors and 24 positive divisors.
There are 652957200 positive integers (up to 1387666444) that are relatively prime to 1387666444.
1387666444 has 24 divisors, whose sum is 2573177600
The reverse of 1387666444 is 4446667831
Previous prime number is 151
Is Prime? no
Number parity even
Number length 10
Sum of Digits 49
Digital Root 4
Name
one billion three hundred eighty-seven million six hundred sixty-six thousand four hundred forty-four
Scientific notation
1.387666444 × 10^9
Engineering notation
1.387666444 × 10^9
Prime Factorization
2 × 2 × 19 × 151 × 120919
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
693833222
Product of the distinct prime numbers
The prime factorization of 1387666444 is 2 × 2 × 19 × 151 × 120919.
Since it has a total of 5 prime factors.
8 , 3 , 58 , 77 , 127 , 152 , 8898 , 452 , 79306 , 91941 , 842978 , 549758 , 642546 , 8510657 , 60786498 , 73657020 , 622337239 , 334245693 , 6834902996 , 7942871144
n×2
2775332888
n×3
4162999332
n×4
5550665776
n×5
6938332220
n÷2
693833222
n÷3
462555481.33333
n÷3
346916611
n÷5
277533288.8
n2
1925618159803605136
n3
2.6721157043165E+27
n4
3.7080052973654E+36
n5
5.1454745253282E+45
2 √n
37251.395195348
3 √n
1115.3941494314
4 √n
193.00620506955
5 √n
67.368521664665
1 , 2 , 4 , 19 , 38 , 76 , 151 , 302 , 604 , 2869 , 5738 , 11476 , 120919 , 241838 , 483676 , 2297461 , 4594922 , 9189844 , 18258769 , 36517538 , 73035076 , 346916611 , 693833222 , 1387666444
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1387666443
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1387666444 can be divided by 24 positive divisors.
The sum of these divisors (counting 1387666444) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010010101101100001110000001100
3
Ternary
10120201010202111111
4
Quaternary
1102231201300030
5
Quinary
10320220311234
6
Senary
345410301404
8
Octal
12255416014
10
Decimal
1387666444
12
Duodecimal
328887864
16
Hexadecimal
52b61c0c
20
Vigesimal
11dci624
36
Base36
my6ia4
md5
cae59fde70b49cf267cf091ac5a15864
sha1
001f2fd10d5ce6558888ee72da9276fe5a43c135
sha256
d4ab8a8a009ec6a8ce8202bbe8795139545eccf4d50e750cfd725ca1c2b622c5
sha512
80dd7111f0a4bf93b27c56bd79e9f56a283b97cf9ae7ed4ba2e3997b54a3546ca6ab03a68628966f0e97529243413c9359e43aab51b2aa4b53ff5718623d42fa
ripemd-160
3da820706c07b2bf2fb57f1e6d30008b5b17d477
Diameter
2775332888
Circumference
8718965412.2069
Area
6.0495078644581E+18
Volume
1.1192932088297E+28
Surface area
2.4198031457832E+19
Circumference
8718965412.2069
Perimeter
5550665776
Area
1925618159803605136
Diagonal
1962456705.1548
Surface area
1.1553708958822E+19
Volume
2.6721157043165E+27
Space diagonal
2403508784.9664
Perimeter
4162999332
Area
8.3381712218928E+17
Altitude
1201754392.4832
Surface area
8.3381712218928E+17
Volume
3.1491185577288E+26
Height
654152235.05162