1290805008 is an even 10-digits composite number following 1290805007
and preceding 1290805009 . In scientific notation, it is written as 1.290805008 × 10^9.
The sum of its digits is 33. It has a total of 6 prime factors and 20 positive divisors.
There are 430268320 positive integers (up to 1290805008) that are relatively prime to 1290805008.
1290805008 has 20 divisors, whose sum is 3334579728
The reverse of 1290805008 is 8005080921
Previous prime number is 3
Is Prime? no
Number parity even
Number length 10
Sum of Digits 33
Digital Root 6
Name
one billion two hundred ninety million eight hundred five thousand eight
Scientific notation
1.290805008 × 10^9
Engineering notation
1.290805008 × 10^9
Prime Factorization
2 × 2 × 2 × 2 × 3 × 26891771
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
161350626
Product of the distinct prime numbers
The prime factorization of 1290805008 is 2 × 2 × 2 × 2 × 3 × 26891771.
Since it has a total of 6 prime factors.
7 , 9 , 63 , 41 , 799 , 842 , 3107 , 2234 , 16941 , 93924 , 456627 , 382879 , 9680836 , 7075889 , 37281806 , 23044530 , 111105035 , 919929874 , 2489741852 , 6664402390
n×2
2581610016
n×3
3872415024
n×4
5163220032
n×5
6454025040
n÷2
645402504
n÷3
430268336
n÷3
322701252
n÷5
258161001.6
n2
1666177568677880064
n3
2.1507103498667E+27
n4
2.7761476903653E+36
n5
3.5834653416712E+45
2 √n
35927.774882394
3 √n
1088.8136260134
4 √n
189.54623415514
5 √n
66.400619056554
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 26891771 , 53783542 , 80675313 , 107567084 , 161350626 , 215134168 , 322701252 , 430268336 , 645402504 , 1290805008
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1290805007
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1290805008 can be divided by 20 positive divisors.
The sum of these divisors (counting 1290805008) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001100111100000001111100010000
3
Ternary
10022221212200120220
4
Quaternary
1030330001330100
5
Quinary
10120421230013
6
Senary
332030233040
8
Octal
11474017420
10
Decimal
1290805008
12
Duodecimal
300355780
16
Hexadecimal
4cf01f10
20
Vigesimal
1037aca8
36
Base36
lcifio
md5
c372e96d650d6ebcc8bb952c8a87ee3f
sha1
de8abe23d64012d818fbecf11893df14941916e4
sha256
37b368758235a95f488e0c14770ea3da34752ffd82bafb549ade4fbad1311a44
sha512
566e46c17ff5e2968fdca89a764524269043c94ea14dce91e926f4a5a4599b2e77ed29db0ddcc0e26f758b61b8e14b46db079a8e44dba0a4e39422656705f7c1
ripemd-160
a36fd967dcdcdab7094dbbbc94a830cb133d37f4
Diameter
2581610016
Circumference
8110367060.6994
Area
5.2344512093345E+18
Volume
9.0088744468542E+27
Surface area
2.0937804837338E+19
Circumference
8110367060.6994
Perimeter
5163220032
Area
1666177568677880064
Diagonal
1825473948.6927
Surface area
9.9970654120673E+18
Volume
2.1507103498667E+27
Space diagonal
2235739856.5204
Perimeter
3872415024
Area
7.2147605084542E+17
Altitude
1117869928.2602
Surface area
7.2147605084542E+17
Volume
2.534636454598E+26
Height
608491316.2309