1389281661 is an odd 10-digits composite number following 1389281660
and preceding 1389281662 . In scientific notation, it is written as 1.389281661 × 10^9.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 899634816 positive integers (up to 1389281661) that are relatively prime to 1389281661.
1389281661 has 24 divisors, whose sum is 2064455640
The reverse of 1389281661 is 1661829831
Previous prime number is 653
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 45
Digital Root 9
Name
one billion three hundred eighty-nine million two hundred eighty-one thousand six hundred sixty-one
Scientific notation
1.389281661 × 10^9
Engineering notation
1.389281661 × 10^9
Prime Factorization
3 × 3 × 37 × 653 × 6389
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
463093887
Product of the distinct prime numbers
The prime factorization of 1389281661 is 3 × 3 × 37 × 653 × 6389.
Since it has a total of 5 prime factors.
7 , 1 , 9 , 31 , 531 , 121 , 6452 , 1859 , 96621 , 5162 , 212479 , 203331 , 1791254 , 2783863 , 8804258 , 60870955 , 775743388 , 783665145 , 5805019337 , 3310313585
n×2
2778563322
n×3
4167844983
n×4
5557126644
n×5
6946408305
n÷2
694640830.5
n÷3
463093887
n÷3
347320415.25
n÷5
277856332.2
n2
1930103533590918921
n3
2.6814574430492E+27
n4
3.7252996503802E+36
n5
5.1754904860029E+45
2 √n
37273.068843335
3 √n
1115.8267473948
4 √n
193.0623444469
5 √n
67.384197500016
1 , 3 , 9 , 37 , 111 , 333 , 653 , 1959 , 5877 , 6389 , 19167 , 24161 , 57501 , 72483 , 217449 , 236393 , 709179 , 2127537 , 4172017 , 12516051 , 37548153 , 154364629 , 463093887 , 1389281661
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
-1389281660
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 1389281661 can be divided by 24 positive divisors.
The sum of these divisors (counting 1389281661) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010010110011101100000101111101
3
Ternary
10120211011211011100
4
Quaternary
1102303230011331
5
Quinary
10321124003121
6
Senary
345505043313
8
Octal
12263540575
10
Decimal
1389281661
12
Duodecimal
329326539
16
Hexadecimal
52cec17d
20
Vigesimal
11e30431
36
Base36
mz54l9
md5
17ba5cd0898b921607d61c8c970ab9f5
sha1
4ca2147c1978d98f16e4121e72439baf8dab3953
sha256
0f07bf53355be2ed7c9f57b950f33370436e14c785651d90002489043e79944e
sha512
13e6bc6f13710f7a62879e660a589201299ee792eab7537652d75b2237130194c0bb0b14bb3bd36bb9387862277f831f200544d02e750fea76472e6834fdea3c
ripemd-160
559bef692c8cf827a4daedcbb70e940e312d53e5
Diameter
2778563322
Circumference
8729114119.9293
Area
6.0635990817969E+18
Volume
1.1232062671996E+28
Surface area
2.4254396327188E+19
Circumference
8729114119.9293
Perimeter
5557126644
Area
1930103533590918921
Diagonal
1964740966.9424
Surface area
1.1580621201546E+19
Volume
2.6814574430492E+27
Space diagonal
2406306422.8757
Perimeter
4167844983
Area
8.3575934601192E+17
Altitude
1203153211.4378
Surface area
8.3575934601192E+17
Volume
3.1601279024053E+26
Height
654913655.64747