1388854857 is an odd 10-digits composite number following 1388854856
and preceding 1388854858 . In scientific notation, it is written as 1.388854857 × 10^9.
The sum of its digits is 57. It has a total of 3 prime factors and 8 positive divisors.
There are 842970240 positive integers (up to 1388854857) that are relatively prime to 1388854857.
1388854857 has 8 divisors, whose sum is 1443982720
The reverse of 1388854857 is 7584588831
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 57
Digital Root 3
Name
one billion three hundred eighty-eight million eight hundred fifty-four thousand eight hundred fifty-seven
Scientific notation
1.388854857 × 10^9
Engineering notation
1.388854857 × 10^9
Prime Factorization
39 × 73 × 487831
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1388854857
Product of the distinct prime numbers
The prime factorization of 1388854857 is 39 × 73 × 487831.
Since it has a total of 3 prime factors.
9 , 8 , 6 , 55 , 685 , 664 , 9014 , 5289 , 81540 , 6375 , 390865 , 505108 , 2140392 , 4215858 , 79931458 , 95805450 , 881994968 , 349235040 , 4676010214 , 1524210949
n×2
2777709714
n×3
4166564571
n×4
5555419428
n×5
6944274285
n÷2
694427428.5
n÷3
462951619
n÷3
347213714.25
n÷5
277770971.4
n2
1928917813812490449
n3
2.6789868744673E+27
n4
3.7207239324432E+36
n5
5.1675455051298E+45
2 √n
37267.343036498
3 √n
1115.7124705687
4 √n
193.04751497105
5 √n
67.380056744309
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
-1388854856
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 1388854857 can be divided by 8 positive divisors.
The sum of these divisors (counting 1388854857) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010110010000011111001001001
3
Ternary
10120210101010200210
4
Quaternary
1102302003321021
5
Quinary
10321021323412
6
Senary
345451551333
8
Octal
12262037111
10
Decimal
1388854857
12
Duodecimal
32915b549
16
Hexadecimal
52c83e49
20
Vigesimal
11e06h2h
36
Base36
myvz9l
md5
afcf49888dac0dced0a154bb389d7e4a
sha1
5cdd696b910e8c7f30cadde693eae2991fe86bbc
sha256
c470ce075c3b2b9666be83a9fcf2916d294933645a07cca870d5d6c5de032246
sha512
ff31bf166bd4a6ea696daed95a2ac8287bbe03b818b262cbe374b86a89aaa20c610248b6d50af988fda5c67fd035cef07cc820dd8d6aa1b234c3fc5ef6cf5cd4
ripemd-160
43058b059c4644f8443665a94775360e95439983
Diameter
2777709714
Circumference
8726432431.3074
Area
6.0598740332518E+18
Volume
1.122171397852E+28
Surface area
2.4239496133007E+19
Circumference
8726432431.3074
Perimeter
5555419428
Area
1928917813812490449
Diagonal
1964137374.9371
Surface area
1.1573506882875E+19
Volume
2.6789868744673E+27
Space diagonal
2405567176.6628
Perimeter
4166564571
Area
8.3524591428698E+17
Altitude
1202783588.3314
Surface area
8.3524591428698E+17
Volume
3.1572163094093E+26
Height
654712458.31238