1389788981 is an odd 10-digits composite number following 1389788980
and preceding 1389788982 . In scientific notation, it is written as 1.389788981 × 10^9.
The sum of its digits is 62. It has a total of 2 prime factors and 4 positive divisors.
There are 1121174208 positive integers (up to 1389788981) that are relatively prime to 1389788981.
1389788981 has 4 divisors, whose sum is 1401468000
The reverse of 1389788981 is 1898879831
Previous prime number is 119
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 62
Digital Root 8
Name
one billion three hundred eighty-nine million seven hundred eighty-eight thousand nine hundred eighty-one
Scientific notation
1.389788981 × 10^9
Engineering notation
1.389788981 × 10^9
Prime Factorization
119 × 11678899
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1389788981
Product of the distinct prime numbers
The prime factorization of 1389788981 is 119 × 11678899.
Since it has a total of 2 prime factors.
1 , 8 , 19 , 97 , 62 , 597 , 4813 , 5432 , 45730 , 37501 , 366822 , 907921 , 6037812 , 5171253 , 78604443 , 11546759 , 750774525 , 213085796 , 1838601001 , 1314587327
n×2
2779577962
n×3
4169366943
n×4
5559155924
n×5
6948944905
n÷2
694894490.5
n÷3
463262993.66667
n÷3
347447245.25
n÷5
277957796.2
n2
1931513411709018361
n3
2.6843960562469E+27
n4
3.7307440596118E+36
n5
5.1849469849797E+45
2 √n
37279.873671996
3 √n
1115.9625519502
4 √n
193.07996703956
5 √n
67.389118080166
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
-1389788980
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 1389788981 can be divided by 4 positive divisors.
The sum of these divisors (counting 1389788981) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010110101100111111100110101
3
Ternary
10120212010121001222
4
Quaternary
1102311213330311
5
Quinary
10321241221411
6
Senary
345524000125
8
Octal
12265477465
10
Decimal
1389788981
12
Duodecimal
329530045
16
Hexadecimal
52d67f35
20
Vigesimal
11e63c91
36
Base36
mzg01h
md5
22ed1da17991ce19c37ad9d7afab31c0
sha1
120aae260931ea738fddbd75cceeed554034ae93
sha256
c225f7d0acc07406c31aae6e7a16a8d79cd57361826bcda751c383cc90838c18
sha512
ea4fb9679e528ad62d7fbc333a9560c36a5f38c6bea3d62c3343d36d2e3b8cb26f3e66973221ffc54e5d2f6d91343c735e962078f51c3c1eaf3bd21bcd6e39ad
ripemd-160
b49dddb207519732cdda142e64a86597090faff7
Diameter
2779577962
Circumference
8732301705.4993
Area
6.0680283445352E+18
Volume
1.1244371906174E+28
Surface area
2.4272113378141E+19
Circumference
8732301705.4993
Perimeter
5559155924
Area
1931513411709018361
Diagonal
1965458425.7669
Surface area
1.1589080470254E+19
Volume
2.6843960562469E+27
Space diagonal
2407185126.8914
Perimeter
4169366943
Area
8.3636984114518E+17
Altitude
1203592563.4457
Surface area
8.3636984114518E+17
Volume
3.163591091271E+26
Height
655152808.58896