1389408081 is an odd 10-digits composite number following 1389408080
and preceding 1389408082 . In scientific notation, it is written as 1.389408081 × 10^9.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 880349184 positive integers (up to 1389408081) that are relatively prime to 1389408081.
1389408081 has 16 divisors, whose sum is 1945417344
The reverse of 1389408081 is 1808049831
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 42
Digital Root 6
Name
one billion three hundred eighty-nine million four hundred eight thousand eighty-one
Scientific notation
1.389408081 × 10^9
Engineering notation
1.389408081 × 10^9
Prime Factorization
3 × 23 × 157 × 128257
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1389408081
Product of the distinct prime numbers
The prime factorization of 1389408081 is 3 × 23 × 157 × 128257.
Since it has a total of 4 prime factors.
2 , 10 , 15 , 93 , 45 , 532 , 1772 , 7343 , 10631 , 63916 , 238996 , 848510 , 4431503 , 4306976 , 57838678 , 33492399 , 235818296 , 451792006 , 2120138286 , 8093156602
n×2
2778816162
n×3
4168224243
n×4
5557632324
n×5
6947040405
n÷2
694704040.5
n÷3
463136027
n÷3
347352020.25
n÷5
277881616.2
n2
1930454815548102561
n3
2.6821895207279E+27
n4
3.7266557948729E+36
n5
5.1778456765018E+45
2 √n
37274.764667265
3 √n
1115.8605918731
4 √n
193.06673630448
5 √n
67.385423802851
1 , 3 , 23 , 69 , 157 , 471 , 3611 , 10833 , 128257 , 384771 , 2949911 , 8849733 , 20136349 , 60409047 , 463136027 , 1389408081
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
-1389408080
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 1389408081 can be divided by 16 positive divisors.
The sum of these divisors (counting 1389408081) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010110100001010111101010001
3
Ternary
10120211102020120120
4
Quaternary
1102310022331101
5
Quinary
10321142024311
6
Senary
345511500453
8
Octal
12264127521
10
Decimal
1389408081
12
Duodecimal
329387729
16
Hexadecimal
52d0af51
20
Vigesimal
11e3g041
36
Base36
mz7u4x
md5
9352531d60c81954143ee0b54147cd57
sha1
db3d75868a43d5fe94e67fad386253e9c2c537b8
sha256
98e0319492c6ead7d10a1610e98fc6af8b2c811a83a1eb2b65f57aeea6f5c7cd
sha512
16ca91838e7a3dd2bd08f723e0595ef0b45a3675a7a9fefd6858df19a5140a708e0c584b68aba9d0e61810c0c512ce053a6dddb814293dd408340720e65deac4
ripemd-160
2daa7d5ac1eb3888e4730ab6cd381b002d381572
Diameter
2778816162
Circumference
8729908440.2158
Area
6.064702666613E+18
Volume
1.1235129191806E+28
Surface area
2.4258810666452E+19
Circumference
8729908440.2158
Perimeter
5557632324
Area
1930454815548102561
Diagonal
1964919751.821
Surface area
1.1582728893289E+19
Volume
2.6821895207279E+27
Space diagonal
2406525388.7388
Perimeter
4168224243
Area
8.3591145556133E+17
Altitude
1203262694.3694
Surface area
8.3591145556133E+17
Volume
3.1609906642237E+26
Height
654973250.60699