1387942811 is an odd 10-digits composite number following 1387942810
and preceding 1387942812 . In scientific notation, it is written as 1.387942811 × 10^9.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 1386889224 positive integers (up to 1387942811) that are relatively prime to 1387942811.
1387942811 has 4 divisors, whose sum is 1388996400
The reverse of 1387942811 is 1182497831
Previous prime number is 1319
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 44
Digital Root 8
Name
one billion three hundred eighty-seven million nine hundred forty-two thousand eight hundred eleven
Scientific notation
1.387942811 × 10^9
Engineering notation
1.387942811 × 10^9
Prime Factorization
1319 × 1052269
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1387942811
Product of the distinct prime numbers
The prime factorization of 1387942811 is 1319 × 1052269.
Since it has a total of 2 prime factors.
8 , 2 , 59 , 28 , 688 , 897 , 1975 , 4119 , 35598 , 61406 , 895866 , 683690 , 1704835 , 7638087 , 13653882 , 67418947 , 921690339 , 577366650 , 2435367558 , 4089379304
n×2
2775885622
n×3
4163828433
n×4
5551771244
n×5
6939714055
n÷2
693971405.5
n÷3
462647603.66667
n÷3
346985702.75
n÷5
277588562.2
n2
1926385246606581721
n3
2.6737125542441E+27
n4
3.7109601183435E+36
n5
5.1506004181626E+45
2 √n
37255.104495894
3 √n
1115.4681916419
4 √n
193.01581410831
5 √n
67.371204867573
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
-1387942810
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 1387942811 can be divided by 4 positive divisors.
The sum of these divisors (counting 1387942811) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010101110100101001110011011
3
Ternary
10120201122210121022
4
Quaternary
1102232211032123
5
Quinary
10320303132221
6
Senary
345420233055
8
Octal
12256451633
10
Decimal
1387942811
12
Duodecimal
32899b78b
16
Hexadecimal
52ba539b
20
Vigesimal
11dech0b
36
Base36
mycfiz
md5
7382ea2ed5b7a6af791004cfb2cb995a
sha1
8af98fbaff55b2280cb04420a208295ddc79cc0a
sha256
7bf9346ffbe5cdac23b02494d61de58a6a2d78248ba9521b893fcadde49b17e1
sha512
d1a1bfa112ff5e2d576a71524d193dc75427dbe5704e5e5dd17cf3522cb99832de14c287d37b8abbc6dcc49554578f493c070c81f5906016e09d7522aa34495e
ripemd-160
e65c70a93f444d897d660f206793ec6a10de0a32
Diameter
2775885622
Circumference
8720701877.2807
Area
6.051917738723E+18
Volume
1.1199620957632E+28
Surface area
2.4207670954892E+19
Circumference
8720701877.2807
Perimeter
5551771244
Area
1926385246606581721
Diagonal
1962847547.1144
Surface area
1.1558311479639E+19
Volume
2.6737125542441E+27
Space diagonal
2403987466.652
Perimeter
4163828433
Area
8.3414928051843E+17
Altitude
1201993733.326
Surface area
8.3414928051843E+17
Volume
3.151000463416E+26
Height
654282515.70481