1290339985 is an odd 10-digits composite number following 1290339984
and preceding 1290339986 . In scientific notation, it is written as 1.290339985 × 10^9.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 938429040 positive integers (up to 1290339985) that are relatively prime to 1290339985.
1290339985 has 8 divisors, whose sum is 1689172416
The reverse of 1290339985 is 5899330921
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 49
Digital Root 4
Name
one billion two hundred ninety million three hundred thirty-nine thousand nine hundred eighty-five
Scientific notation
1.290339985 × 10^9
Engineering notation
1.290339985 × 10^9
Prime Factorization
5 × 11 × 23460727
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1290339985
Product of the distinct prime numbers
The prime factorization of 1290339985 is 5 × 11 × 23460727.
Since it has a total of 3 prime factors.
8 , 6 , 17 , 94 , 172 , 593 , 4270 , 4654 , 5590 , 50510 , 448503 , 238312 , 1365177 , 9763069 , 66216605 , 96205609 , 160517229 , 193237561 , 1966288312 , 4048187598
n×2
2580679970
n×3
3871019955
n×4
5161359940
n×5
6451699925
n÷2
645169992.5
n÷3
430113328.33333
n÷3
322584996.25
n÷5
258067997
n2
1664977276889800225
n3
2.1483867544873E+27
n4
2.7721493325594E+36
n5
3.5770151281924E+45
2 √n
35921.302662905
3 √n
1088.6828589881
4 √n
189.52916045534
5 √n
66.395834094389
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
-1290339984
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 1290339985 can be divided by 8 positive divisors.
The sum of these divisors (counting 1290339985) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111010010000011010010001
3
Ternary
10022221000001200211
4
Quaternary
1030322100122101
5
Quinary
10120311334420
6
Senary
332012244121
8
Octal
11472203221
10
Decimal
1290339985
12
Duodecimal
300170641
16
Hexadecimal
4ce90691
20
Vigesimal
1034c9j5
36
Base36
lc8gpd
md5
d034827a69c7f19909dfcffa2b9dbdb7
sha1
078a4ba49c83efde57ed16d0f763d07b1c3f7880
sha256
adc70ccdddcc9fee2d0cbbdec76944dd281f9ef6f2c57aee1c94ee05dad5328e
sha512
36838e124550ceabe56f348f85c0f6ce3beb003c702224e7645da4e06146240f1ac594918552bd9d226d57c3f5464ad907e895bff47be3183682f1794e8333c5
ripemd-160
ff7d4cf99cfeacca7faccb2245a94c06e54f97b7
Diameter
2580679970
Circumference
8107445235.0183
Area
5.2306803814709E+18
Volume
8.9991413932893E+27
Surface area
2.0922721525884E+19
Circumference
8107445235.0183
Perimeter
5161359940
Area
1664977276889800225
Diagonal
1824816306.8593
Surface area
9.9898636613388E+18
Volume
2.1483867544873E+27
Space diagonal
2234934413.0577
Perimeter
3871019955
Area
7.209563092552E+17
Altitude
1117467206.5288
Surface area
7.209563092552E+17
Volume
2.5318980711822E+26
Height
608272102.28643