1290280720 is an even 10-digits composite number following 1290280719
and preceding 1290280721 . In scientific notation, it is written as 1.290280720 × 10^9.
The sum of its digits is 31. It has a total of 6 prime factors and 20 positive divisors.
There are 516112256 positive integers (up to 1290280720) that are relatively prime to 1290280720.
1290280720 has 20 divisors, whose sum is 2999902860
The reverse of 1290280720 is 0270820921
Previous prime number is 5
Is Prime? no
Number parity even
Number length 10
Sum of Digits 31
Digital Root 4
Name
one billion two hundred ninety million two hundred eighty thousand seven hundred twenty
Scientific notation
1.290280720 × 10^9
Engineering notation
1.290280720 × 10^9
Prime Factorization
2 × 2 × 2 × 2 × 5 × 16128509
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
161285090
Product of the distinct prime numbers
The prime factorization of 1290280720 is 2 × 2 × 2 × 2 × 5 × 16128509.
Since it has a total of 6 prime factors.
8 , 1 , 99 , 100 , 65 , 90 , 8047 , 932 , 44931 , 4687 , 545450 , 718401 , 991953 , 6006947 , 10820598 , 67431698 , 591084843 , 244081489 , 4234507561 , 7316950771
n×2
2580561440
n×3
3870842160
n×4
5161122880
n×5
6451403600
n÷2
645140360
n÷3
430093573.33333
n÷3
322570180
n÷5
258056144
n2
1664824336403718400
n3
2.1480907434485E+27
n4
2.7716400710821E+36
n5
3.5761937464966E+45
2 √n
35920.477725108
3 √n
1088.6661910871
4 √n
189.52698416085
5 √n
66.395224174299
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 16128509 , 32257018 , 64514036 , 80642545 , 129028072 , 161285090 , 258056144 , 322570180 , 645140360 , 1290280720
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
-1290280719
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 1290280720 can be divided by 20 positive divisors.
The sum of these divisors (counting 1290280720) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001100111010000001111100010000
3
Ternary
10022220220001101211
4
Quaternary
1030322001330100
5
Quinary
10120302440340
6
Senary
332011105504
8
Octal
11472017420
10
Decimal
1290280720
12
Duodecimal
300142294
16
Hexadecimal
4ce81f10
20
Vigesimal
103451g0
36
Base36
lc76z4
md5
f01b43cdd013f3948d34681f8e41b9df
sha1
6015d0e1d8df6e7508ceb4ea5a56e5c67e9013c7
sha256
91ef15eea87c89be7b326aa9eed28bb0d550469927d6c4db29f391b790f74491
sha512
7037c211cd75faf765dc51fba401cb8c2fcb5b77e0312fe7cbe87d78cd721a0891a44f7458cae9d45a30bed32b634a9e8f2bc2e4ac45e1a5c7f150efaeb4d2a3
ripemd-160
495bc2a0e8dac01883059ee4ac6a5ba8b92823dc
Diameter
2580561440
Circumference
8107072862.0411
Area
5.2301999047634E+18
Volume
8.9979014651494E+27
Surface area
2.0920799619054E+19
Circumference
8107072862.0411
Perimeter
5161122880
Area
1664824336403718400
Diagonal
1824732493.4925
Surface area
9.9889460184223E+18
Volume
2.1480907434485E+27
Space diagonal
2234831763.0666
Perimeter
3870842160
Area
7.208900840821E+17
Altitude
1117415881.5333
Surface area
7.208900840821E+17
Volume
2.5315492188275E+26
Height
608244164.49751